External ear canal pressure regulating device and tinnitus suppression device
Patent 5024612 Issued on June 18, 1991. Estimated Expiration Date: 
May 30, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 30, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References3683929 InventorsApplicationNo. 359025 filed on 05/30/1989US Classes:604/36Means moved by person to introduce and remove materialExaminersPrimary: Kamm, William E.Attorney, Agent or FirmForeign Patent References
International ClassA61F 011/00AbstractA tinnitus suppression device using an in-the-canal external ear canal pressure regulating device to alter the pressure of the fluid of the external ear canal interior of the pressure regulating device. The device has a body which can be inserted into the external ear canal and which seals the canal from ambient pressure. An adjustably sized body such as a collapsible bulbous portion or a bellows type wall provides a mechanism for altering the pressure in the canal. Either a valve or a mechanical displacement device maintains the pressure differential created.Field of SearchMISCELLANEOUSMethods External ear or head mounting means Tongue Breath or contaminated air deflectors Teeth protectors (e.g., mouthpieces) Inflatable or expandable Valve means (e.g., diaphragm) With noise or pressure attenuating means (e.g., dampening, filtering, etc.) Thermoplastic or thermosetting type Aural protectors (e.g., ear) Material introduced into and removed from body through passage in body inserted means Method With aspirating or vacuum removing means Means moved by person to introduce and remove material Hand-supported squeeze bulb Piston Having collapsible material reservoir (e.g., squeeze bulb, etc.) Having means to prevent fluid return to reservoir Mechanical means (e.g., piston, clamp, etc.) moved to collapse reservoir Having orifice occluding means Bellows-type reservoir | |
