Probe cover of tympanic thermometer
US6254271A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 29, 1999 |
| Grant date | Jul 3, 2001 |
| Priority date | — |
| Expiry date | Jun 29, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J5/021
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A probe cover of a tympanic thermometer having a probe comprises a base in the form of a ring-type plastic sheet formed with a central opening; and a film sheath that is infrared transparent and has an open end and a closed end, wherein the open end is attached to the base, the sheath portion extended from the central opening can be fitted on the probe of tympanic thermometer, the film sheath comprises a first wall section, a second wall section, and a window between the open end and the closed end, wherein the entire first wall section is formed of a plurality of pleat surfaces and the width of each pleat surface is gradually reduced in the direction from the open end to the closed end, the second wall section is formed by plastic deformation and thus has a smooth wall surface, and the window is in the form of a flat closed surface for fitting on the front end of the probe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.