Source: http://www.google.com/patents/US8147544?dq=6,606,102
Timestamp: 2014-07-14 12:27:30
Document Index: 529472127

Matched Legal Cases: ['art 4', 'art 2', 'art 2', 'art 2', 'art 2', 'art 2']

Patent US8147544 - Therapeutic appliance for cochlea - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign in<nobr>Advanced Patent Search</nobr>PatentsA fenestration (36) piercing the otic capsule bone of the cochlea (34) receives a therapeutic appliance, such as a microactuator (78), plug (92), micropump for drug or therapeutic agent delivery, electrode (102), etc. Disclosed are several different ways of achieving a �water tight� seal between...http://www.google.com/patents/US8147544?utm_source=gb-gplus-sharePatent US8147544 - Therapeutic appliance for cochleaAdvanced Patent SearchPublication numberUS8147544 B2Publication typeGrantApplication numberUS 10/494,345PCT numberPCT/US2002/034360Publication dateApr 3, 2012Filing dateOct 26, 2002Priority dateOct 30, 2001Also published asUS20050203557, US20070260254, US20120190914, WO2003037212A2, WO2003037212A3, WO2003037212A9Publication number10494345, 494345, PCT/2002/34360, PCT/US/2/034360, PCT/US/2/34360, PCT/US/2002/034360, PCT/US/2002/34360, PCT/US2/034360, PCT/US2/34360, PCT/US2002/034360, PCT/US2002/34360, PCT/US2002034360, PCT/US200234360, PCT/US2034360, PCT/US234360, US 8147544 B2, US 8147544B2, US-B2-8147544, US8147544 B2, US8147544B2InventorsS. George Lesinski, Armand P. NeukermansOriginal AssigneeOtokinetics Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (112), Non-Patent Citations (23), Referenced by (1), Classifications (11), Legal Events (1) External Links: USPTO, USPTO Assignment, EspacenetTherapeutic appliance for cochleaUS 8147544 B2Abstract A fenestration (36) piercing the otic capsule bone of the cochlea (34) receives a therapeutic appliance, such as a microactuator (78), plug (92), micropump for drug or therapeutic agent delivery, electrode (102), etc. Disclosed are several different ways of achieving a �water tight� seal between the otic capsule bone and the therapeutic appliance. Also disclosed are specific ways of implanting the therapeutic appliance both with and without a sheath (72) lining the wall of the fenestration (36) formed using specialized surgical burrs (122, 124, 162, 164).
What is claimed is: 1. A therapeutic appliance configured for implantation into a cylindrically-shaped fenestration that pierces a wall of a cochlea of a subject, the fenestration including an outer section and an inner section which is smaller in diameter than the outer section, the fenestration also including an annularly-shaped well floor that spans between one edge of the outer section of the fenestration and one edge of the inner section thereof, the therapeutic appliance comprising:
TECHNICAL FIELD The present invention relates to a fully implantable hearing aid system, and more particularly to devices and methods for mounting a microactuator, or other therapeutic device, into a fenestration that pierces the wall of the cochlea.
BACKGROUND ART A biologically sealed attachment into the wall of the cochlea that is stable and watertight is often desired, not only for an acoustic actuator, but also for various other medical devices. U.S. Pat. No. 5,951,601(�the '601 patent�) by inventors hereof describes several methods for attaching a microactuator to a fenestration through the wall of the cochlea.
DISCLOSURE OF INVENTION An object of the present invention is to facilitate attachment of a microactuator of an implantable hearing aid system or other therapeutic appliance, such as a microactuator, plug or micropump for drug or therapeutic agent delivery, electrodes etc., to a fenestration formed through a subject's promontory, and to facilitate the therapeutic appliance's subsequent removal.
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 schematically illustrates a fenestration that pierces the promontory of the cochlea having been formed with fenestration burs which have precise, compound drilling diameters.
BEST MODE FOR CARRYING OUT THE INVENTION FIG. 1 depicts a promontory wall 32 of a cochlea 34 that, in accordance with the present invention, is pierced by a fenestration 36. An upper portion of a bony labyrinth within the cochlea 34 is called the scala vestibuli 42, while a lower portion of the bony labyrinth is called the scala tympani 44. A membranous labyrinth within the cochlea 34, called the scala media 46, lies between the scala vestibuli 42 and scala tympani 44. A �vestibular membrane,� called Reissner's membrane 48, separates the scala media 46 from the scala vestibuli 42, while a basilar membrane 52 separates the scala media 46 from the scala tympani 44. A stria vascularis 54 and spiral ligament 56 are juxtaposed with an inner surface of the promontory wall 32.
INDUSTRIAL APPLICABILITY In general, many if not all of the methods depicted in FIGS. 3 through 11 and described above can be used when attaching a microactuator, a micropump, capillary, electrode, or combination microactuator/electrode into a fenestration 36 that pierces the wall of the cochlea 34.
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Plastics Get Wired," Scientific American pp. 83-86 (1995).23Yanagihara et al., "Implantable Hearing Aid," Arch Otolaryngol Head Neck Surg 113:869-2 (1987).Referenced byCiting PatentFiling datePublication dateApplicantTitleUS20120190914 *Apr 2, 2012Jul 26, 2012Otokinetics Inc.Hearing Aid Microactuator* Cited by examinerClassifications U.S. Classification623/10, 606/180International ClassificationA61N1/36, A61B17/16, A61N1/05, A61B17/32Cooperative ClassificationA61N1/0541, A61N1/36032, A61B17/1679European ClassificationA61N1/36F, A61B17/16S10Legal EventsDateCodeEventDescriptionApr 25, 2011ASAssignmentFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LESINSKI, S. GEORGE;NEUKERMANS, ARMAND P.;SIGNING DATES FROM 20090717 TO 20090722;REEL/FRAME:026177/0726Owner name: OTOKINETICS INC., UTAHRotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google