# US 9,040,819 B2 · Implantable device having an integrated ceramic bushing > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,040,819 B2 - Document ID: US9040819B2 - Status: Granted - Kind: B2 - Application number: 13/361,348 - Filed: 2012-01-30 - Published: 2012-08-02 - Granted: 2015-05-26 - Earliest claimed: 2011-01-31 - Assignees: Heraeus Precious Metals GmbH & Co. KG - Applicants: Mark Kempf; Goran Pavlovic - Inventors: Mark Kempf; Goran Pavlovic - Web page: https://patentgrep.com/patent/US9040819B2 ## CPC - A61N 1/375: Constructional arrangements, e.g. casings - A61N 1/37512: {Pacemakers} - A61N 1/3754: {Feedthroughs} - A61N 1/3756: {Casings with electrodes thereon, e.g. leadless stimulators} - H01R 13/5224: {for medical use} - H04R 25/606: {acting directly on the eardrum, the ossicles or the skull, e.g. mastoid, tooth, maxillary or mandibular bone, or mechanically stimulating the cochlea, e.g. at the oval window} - H04R 2225/51: Aspects of antennas or their circuitry in or for hearing aids - H04R 2225/67: Implantable hearing aids or parts thereof not covered by H04R25/606 - A61N: ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B) - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - H04R: LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K) ## Abstract One aspect relates to a housing for an active implantable medical device, whereby the housing, at least parts thereof, includes an electrically insulating ceramic material, and has at least one electrically conductive conducting element, whereby the at least one conducting element is set up to establish at least one electrically conductive connection between an internal space of the housing and an external space. One aspect provides the at least one conducting element to include at least one cermet, whereby the housing and the at least one conducting element are connected in a firmly bonded manner. ## Claims ### Claim 1 A housing for an active implantable medical device, comprising: a ceramic region comprising an electrically insulating ceramic material forming a pocket; at least one electrically conductive conducting element in the ceramic region; and a housing rim defining a housing opening; whereby electronics of the medical devices are insertable through the housing opening into the pocket; whereby a metallic lid is sealed to the housing rim thereby sealing the housing opening; whereby the at least one conducting element establishes at least one electrically conductive connection between an internal space of the housing and an external space; characterized in that the at least one conducting element comprises at least one cermet; whereby the housing and the at least one conducting element are coupled in a firmly bonded manner; and characterized in that the metallic lid consists only of metal and does not include the conducting element. ### Claim 2 (depends on 1) The housing according to claim 1, whereby the ceramic region and the at least one conducting element are connected in a firmly bonded manner. ### Claim 3 (depends on 1) The housing according to claim 1, characterized in that the conducting element is hermetically sealed with respect to the housing. ### Claim 4 (depends on 1) The housing according to claim 1, characterized in that the medical device comprises an antenna element, whereby the antenna element sends or receives electromagnetic waves, in that the antenna element comprises a cermet, at least in part, in that the housing and the antenna element comprise a firmly bonded, sintered connection, and in that the antenna element is connected to the conducting element in an electrically conductive manner. ### Claim 5 (depends on 1) The housing according to claim 1, characterized in that the housing is closed in a hermetically sealed manner on the housing rim through the metallic lid. ### Claim 6 (depends on 1) The housing according to claim 1, characterized in that conductive conducting element in the ceramic region is spaced apart from the metallic lid. ### Claim 7 An active implantable medical device comprising: a housing, the housing comprising: an electrically insulating ceramic material; and at least one electrically conductive conducting element; whereby the at least one conducting element establishes at least one electrically conductive connection between an internal space of the housing and an external space; characterized in that the at least one conducting element comprises at least one cermet comprising a ceramic material and a metallic material; whereby the insulating ceramic component of the housing and the ceramic component of the cermet are identical such that the housing and the at least one conducting element are coupled in a firmly bonded manner; and characterized in that the metallic lid does not include the conducting element. ### Claim 8 (depends on 7) The active implantable medical device according to claim 7, characterized in that the housing comprises a ceramic region, whereby the ceramic region is provided through the electrically insulating ceramic material, whereby the ceramic region and the at least one conducting element are connected in a firmly bonded manner. ### Claim 9 (depends on 7) The active implantable medical device according to claim 7, characterized in that the conducting element is hermetically sealed with respect to the housing. ### Claim 10 (depends on 7) The active implantable medical device according to claim 7, characterized in that the medical device comprises an antenna element, whereby the antenna element sends or receives electromagnetic waves, in that the antenna element comprises a cermet, at least in part, in that the housing and the antenna element comprise a firmly bonded, sintered connection, and in that the antenna element is connected to the conducting element in an electrically conductive manner. ### Claim 11 (depends on 7) The active implantable medical device according to claim 7, characterized in that the housing comprises a metallic housing rim, in that the housing is closed in a hermetically sealed manner on the housing rim through a metallic lid.