# US 11,027,144 B2 · Laser therapy for at least one of grade III and grade IV capsular contracture > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,027,144 B2 - Document ID: US11027144B2 - Status: Granted - Kind: B2 - Application number: 15/795,231 - Filed: 2017-10-26 - Published: 2018-04-26 - Granted: 2021-06-08 - Earliest claimed: 2014-01-17 - Assignees: Riancorp Pty Ltd - Applicants: Riancorp Pty Ltd - Inventors: Patricia Ann Angel; William L. Scarlett - Web page: https://patentgrep.com/patent/US11027144B2 ## CPC - A61N 5/0613: {Apparatus adapted for a specific treatment} - A61N 5/067: using laser light - A61N 2005/0659: {infrared} - 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 A method for treating at least one of Grade III capsular contracture and Grade IV capsular contracture in a mammalian subject includes positioning a laser device proximate to the subject. The method also includes applying low level near infrared radiation to an area of the subject proximate to tissue in the subject experiencing at least one of Grade III capsular contracture and Grade IV capsular contracture for treating the capsular contracture. ## Claims ### Claim 1 A method for treating one of Grade III capsular contracture or Grade IV capsular contracture in a mammalian subject, the method comprising: positioning a laser device proximate the subject having the Grade III capsular contracture or Grade IV capsular contracture; and applying, with the laser device, a low level laser beam having a wavelength between approximately 600 nm and approximately 1,000 nm toward an area of tissue of the subject having the Grade III capsular contracture or Grade IV capsular contracture to induce a photochemical reaction at a cellular level in the Grade III capsular contracture or Grade IV capsular contracture, including applying the laser beam to a plurality of locations on the subject, for a time period between approximately 30 seconds and approximately 100 seconds for each of the plurality of locations. ### Claim 2 (depends on 1) The method of claim 1, wherein the step of applying the laser beam comprises applying a pulsed laser beam having a pulse width between approximately 100 nanoseconds and approximately 500 nanoseconds. ### Claim 3 (depends on 1) The method of claim 1, wherein the step of applying the laser beam comprises applying a pulsed laser beam having a frequency between approximately 1000 Hz and approximately 5000 Hz. ### Claim 4 (depends on 1) The method of claim 1, wherein the step of applying the laser beam comprises applying a plurality of laser beams to the subject in a non-overlapping pattern. ### Claim 5 (depends on 4) The method of claim 4, wherein each of the laser beams has substantially the same power level. ### Claim 6 (depends on 4) The method of claim 4, wherein one or more of the laser beams have different power levels relative to each other. ### Claim 7 (depends on 4) The method of claim 4, wherein the step of applying the plurality of laser beams to the subject in the nonoverlapping pattern comprises applying the plurality of laser beams such that each of the plurality of laser beams is about 5 mm in diameter and is separated from the others of the plurality of laser beams by about 10 mm to about 20 mm. ### Claim 8 (depends on 1) The method of claim 1, wherein the step of applying the laser beam includes applying the laser beam to between five and thirty locations on the subject. ### Claim 9 (depends on 1) The method of claim 1, wherein the step of applying the laser beam comprises applying a pulsed laser beam. ### Claim 10 (depends on 1) The method of claim 1, wherein the step of applying the laser beam comprises applying a non-pulsed laser beam. ### Claim 11 (depends on 1) The method of claim 1, wherein the step of applying the laser beam includes applying a dose of low level near infrared radiation energy having an average output power between approximately 1 milliwatt and approximately 5 milliwatts. ### Claim 12 (depends on 1) The method of claim 1, wherein the step of applying the laser beam includes applying a dose of low level near infrared radiation energy having an average output power between approximately 2.5 milliwatts and approximately 5 milliwatts. ### Claim 13 (depends on 1) The method of claim 1, wherein the step of applying the laser beam includes applying a dose of low level near infrared radiation energy density of between approximately 0.5 joules per square centimetre and approximately 3 joules per square centimetre. ### Claim 14 A method for treating contracture in a cochlear area in a mammalian subject, the method comprising: positioning a laser device proximate the subject having the contracture; and applying, with the laser device, a low level laser beam having a wavelength between approximately 600 nm and approximately 1,000 nm toward the cochlear area of the subject to induce a photochemical reaction at a cellular level in the contracture, including applying the laser beam to a plurality of locations on the subject, for a time period between approximately 30 seconds and approximately 100 seconds for each of the plurality of locations.