# US 9,002,445 B2 · Charger with orthogonal PCB for implantable medical device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,002,445 B2 - Document ID: US9002445B2 - Status: Granted - Kind: B2 - Application number: 11/460,955 - Filed: 2006-07-28 - Published: 2008-01-31 - Granted: 2015-04-07 - Earliest claimed: 2006-07-28 - Assignees: Boston Scientific Neuromodulation Corporation - Applicants: Joey Chen - Inventors: Joey Chen - Web page: https://patentgrep.com/patent/US9002445B2 ## CPC - A61N 1/3787: {from an external energy source} - A61N 1/37235: {Aspects of the external programmer} - H05K 1/141: {One or more single auxiliary printed circuits mounted on a main printed circuit, e.g. modules, adapters (H05K1/142 and H05K1/147 take precedence)} - H05K 3/366: {substantially perpendicularly to each other (H05K3/361 takes precedence)} - 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) - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract An external charger for an implantable medical device, comprises a housing, an alternating current (AC) coil and substrate contained within the housing, and one or more electronic components mounted to the substrate. The AC coil is configured for wirelessly transmitting magnetic charging energy to the implantable medical device. The AC coil is disposed in a first plane, with the magnetic charging energy having a field directed perpendicular to the first plane. At least a portion of the substrate has a surface extending along a second plane that is substantially perpendicular to the first plane. ## Claims ### Claim 1 An external charger for an implantable medical device, comprising: a housing; an alternating current (AC) coil disposed in a first plane within the housing, the AC coil configured for wirelessly transmitting magnetic charging energy to the implantable medical device, the coil wound around an area in the first plane; a substrate contained within the housing, at least a portion of the substrate having a surface extending along a second plane that is substantially perpendicular to the first plane, wherein the second plane intersects the first plane outside of the area; and one or more electronic components mounted to the surface of the substrate. ### Claim 2 (depends on 1) The external charger of claim 1, wherein the substrate comprises a printed circuit board (PCB). ### Claim 3 (depends on 1) The external charger of claim 1, further comprising an energy source contained within the housing, wherein the charging energy is derived from the energy source. ### Claim 4 (depends on 1) The external charger of claim 1, wherein the one or more electronic components perform a signal processing function. ### Claim 5 (depends on 1) The external charger of claim 1, wherein the entirety of the substrate extends along the second plane. ### Claim 6 (depends on 1) The external charger of claim 1, further comprising: another substrate having a surface extending along a third plane substantially parallel to the first plane; and one or more additional electronic components mounted to the surface of the other substrate. ### Claim 7 (depends on 1) A tissue implantable system, comprising: the external charger of claim 1, and the implantable medical device, wherein the implantable medical device includes a rechargeable energy source and circuitry configured for charging the energy source in response to wirelessly receiving the magnetic charging energy from the external charger. ### Claim 8 An external charger for an implantable medical device, comprising: a housing; an alternating current (AC) coil disposed within a first plane within the housing, the AC coil configured for wirelessly transmitting magnetic charging energy to the implantable medical device, the coil wound around an area in the first plane; a first substrate contained within the housing, first substrate having a surface extending along a second plane substantially perpendicular with the first plane, wherein the second plane intersects the first plane outside of the area; a second substrate contained within the housing, at least a portion of the second substrate having a surface extending along a third plane substantially parallel to the first plane; and one or more electronic components mounted to the surface of the first substrate, wherein the first substrate is mounted to the second substrate. ### Claim 9 (depends on 8) The external charger of claim 8, wherein the first and second substrates comprise printed circuit boards (PCBs). ### Claim 10 (depends on 8) The external charger of claim 8, further comprising an energy source contained within the housing, wherein the charging energy is derived from the energy source. ### Claim 11 (depends on 8) The external charger of claim 8, wherein the one or more electronic components perform a signal processing function. ### Claim 12 (depends on 8) The external charger of claim 8, further comprising one or more additional electronic components mounted to the surface of the second substrate. ### Claim 13 (depends on 8) A tissue implantable system, comprising: the external charger of claim 8, and the implantable medical device, wherein the implantable medical device includes a rechargeable energy source and circuitry configured for charging the energy source in response to wirelessly receiving the magnetic charging energy from the external charger.