# US 10,245,441 B2 · Implantable device with optical lead > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,245,441 B2 - Document ID: US10245441B2 - Status: Granted - Kind: B2 - Application number: 14/694,134 - Filed: 2015-04-23 - Published: 2015-10-29 - Granted: 2019-04-02 - Earliest claimed: 2014-04-25 - Assignees: Medtronic, Inc. - Applicants: Medtronic, Inc. - Inventors: Brad C. Tischendorf; Gordon O. Munns; Christian S. Nielsen; John D. Norton; Markus W. Reiterer; Andrew J. Thom; Kunal J. Paralikar - Web page: https://patentgrep.com/patent/US10245441B2 ## CPC - A61N 5/0601: {Apparatus for use inside the body} - A61N 1/05: for implantation or insertion into the body, e.g. heart electrode (A61N1/06 takes precedence) - A61N 2005/0626: {Monitoring, verifying, controlling systems and methods} - A61N 2005/0651: {Diodes} - 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) ## Abstract An implantable active medical device system includes an active medical device and a lead extending between a proximal portion electrically coupled to the active medical device and a distal end portion configured to emit light. The distal end portion includes a solid state light source disposed within a light transmissive ring element. The light transmissive ring element forms an exterior segment of the distal end portion. The light transmissive ring element defines at least a portion of a hermetic cavity. ## Claims ### Claim 1 An implantable active medical device system comprising: an active medical device; a lead extending between a proximal portion electrically coupled to the active medical device and a distal end portion configured to emit light, the distal end portion comprising: a solid state light source disposed within a light transmissive ring element, the light transmissive ring element forming an exterior segment of the distal end portion, the light transmissive ring element defining at least a portion of a hermetic cavity; wherein the light transmissive ring element is hermetically bonded to an electrode ring element and the electrode ring element forming an exterior segment of the distal end portion. ### Claim 2 (depends on 1) The implantable active medical device system according to claim 1 wherein the hermetic cavity is further defined by an end cap hermetically bonded to the electrode ring element or light transmissive ring element. ### Claim 3 (depends on 1) The implantable active medical device system according to claim 1 wherein the hermetic cavity is further defined by an end cap hermetically bonded to the light transmissive ring element. ### Claim 4 (depends on 1) The implantable active medical device system according to claim 1 wherein a plurality of solid state light sources are disposed within a single light transmissive ring element. ### Claim 5 (depends on 4) The implantable active medical device system according to claim 4 wherein each of the plurality of solid state light sources is activated independently of each other. ### Claim 6 (depends on 4) The implantable active medical device system according to claim 4 wherein the plurality of solid state light sources comprise two solid state light sources directing light in opposing directions. ### Claim 7 (depends on 4) The implantable active medical device system according to claim 4 wherein the plurality of solid state light sources comprise four solid state light sources directing light in four different directions. ### Claim 8 (depends on 4) The implantable active medical device system according to claim 4 wherein the plurality of solid state light sources comprise an array of at least ten solid state light sources. ### Claim 9 (depends on 1) The implantable active medical device system according to claim 1 wherein only one solid state light source is disposed within a single light transmissive ring element and the single solid state light source emits light through an entire circumference of the single light transmissive ring element. ### Claim 10 (depends on 1) The implantable active medical device system according to claim 1 wherein the solid state light source emits light through an entire circumference of the light transmissive ring element. ### Claim 11 (depends on 1) The implantable active medical device system according to claim 1 wherein the solid state light source is a light emitting diode. ### Claim 12 (depends on 1) The implantable active medical device system according to claim 1 wherein the light transmissive ring element is sapphire. ### Claim 13 (depends on 1) The implantable active medical device system according to claim 1 wherein the solid state light source is completely disposed within the hermetic cavity. ### Claim 14 An implantable active medical device system comprising: an active medical device; a lead extending between a proximal portion electrically coupled to the active medical device and a distal end portion configured to emit light, the distal end portion comprising: a solid state light source disposed within a light transmissive ring element, the light transmissive ring element forming an exterior segment of the distal end portion, the light transmissive ring element defining at least a portion of a hermetic cavity; wherein the lead distal end portion further comprises a plurality of solid state light sources and a plurality of light transmissive ring elements, wherein each light transmissive ring element surrounds one of the solid state light sources forming a transmissive ring and light source pair, and each transmissive ring and light source pair is spaced apart from an adjacent transmissive ring and light source pair by an electrode ring element. ### Claim 15 (depends on 14) The implantable active medical device system according to claim 14 wherein the lead distal end portion comprises a plurality of transmissive rings and light source pairs and each transmissive ring and light source pair is activated independently of each other. ### Claim 16 An implantable active medical device system comprising: an active medical device; a lead extending between a proximal portion electrically coupled to the active medical device and a distal end portion configured to emit light, the distal end portion comprising: a solid state light source disposed within a light transmissive ring element, the light transmissive ring element forming an exterior segment of the distal end portion, the light transmissive ring element defining at least a portion of a hermetic cavity and an electrode ring element forming an exterior segment of the distal end portion and hermetically bonded to the light transmissive ring element; wherein the lead distal end portion comprises a plurality of alternating transmissive rings and electrode ring elements forming an exterior surface of the distal end portion, and a light source disposed within each transmissive ring, wherein each light source is activated independently of each other. ### Claim 17 (depends on 16) The implantable active medical device system according to claim 16 wherein each light transmissive ring element surrounds two solid state light sources directing light in opposing directions. ### Claim 18 (depends on 17) The implantable active medical device system according to claim 17 wherein each light source is activated independently of each other.