IL211859A - Cooling system for a photocosmetic device - Google Patents

Description

ρ COOLING SYSTEM FOR PHOTOCOSMBTIC DEVICE PALOMAR MEDICAL TECHNOLOGIES INC 73377 FOR eiaied application priority to serial Oi filed Januar of serial numb r filed implication priotirv to provisional application serial filed January from application filed November and is of appii cation serial n mber hied now Patent which application priority to provisional application filed May provisional application aerial number filed March litis application is also a of application serial number filed March which application claims priority to provisional serial filed January 1999 and pro visional application serial numbsr Sled January and a of application serial numbsr filed now Patent and a of application serial numbsr filed December now and is a rl of application serial numbsr filed now Patent application priority to ional serial Sled May and provisional application serial March This application also of filed August which application is a continuation application number filed May 1 patent which to provisional application serial numbsr filed May 1997 and provisional serial Sled March i This application is also of application serial number April which claims to provisional serial number libel April This application also claims priority to provisional applicaiion serial number filed May application also claims priority to provisional application serial number March of all of these prior cations are a variety of herein using laser or of and performed using thai destructive of located in of a s To performed in i v of of the devices used to perform the all because tv to the partially of the to care for induced wounds on S uch wounds arise damage a caused by radiation may in significant pain of While certain photo as laser re will to be the dermatologist1 s for medical reasons the need for there tire number of procedures that be a barber or if the could perform the procedure in a safe and effective Even for a medical snvironmsi reduced damage would reduce recovery devices for use in or benefit from following The must is necessary to avoid eye and Preferably the device easy to allowing an operator to achieve acceptable cosmetic results after only reading a brief Training Preferably device is robust and rugged enough to withstand Preferably the device is easy io Preferably the device is in high device is available at reasonable Preferably the device is small and easily in Currently available devices limitations related to one more of the above OF THE A first aspect of the invc ioE is a device for use an area s patient head for use in proximity to the s at least one source of radiation positioned within the treatment head and d onto thermally coupl d lo least one and a phase cooling Optional the change substance comprises a substance comprises a of the first aspect the surface a be a 01 groove of protections mechanism spray The may further comprise a valve coupled wherein the valve controls tlif amount of liquid the surface heal sensor be to a signal o temperature of at least a portion of the a controller be 10 receive die signal from the control Ihe valve response to the A br included bold some substance is a For the refrigerant comprises The solid ice or an organic or The surface may be a thermally conductive po ta the sour the surface may be surface of a that is coupled to The cooling surface may have at least one TO receive phase change the surface a plurality of therethrough to receive the phase change the plurality of channels along the A aspect of the is a device for on an area of a comprising a head for use in close proximity to patie least one electromagnetic radiation source configured project radiation through the treatment head onto the area of a first 10 the treatment head and configured to project a first substance The radiation source may be positioned within treatment The device include an optical system to transmit radiation to Ihe the optical system having a configured to contact the The device may comprise a surface coupled to t at least one source and said and second to project a phase substance the cooling wherein the mechanism is configured a gas formed by the phase change of second substance substance The device further comprise a cooling surface lo the source and said WO second configured to portion of the first substance first substance be a liquid the of the first projected onto skin is resulting from a phase of the first the first substance solid and the of the first substance projected onto the is e liquid resulting a change of the first In yet alternati substance is solid and portion of the first substance onto is a gas resulting a phase change the first The first a and the liquid may the firsi substance and gas may The second substance may comprise a plurality The cooling surface may a surface of a ti srmally electrode pro viding power to the cooling may be a of conductive that is thsrmally coupled to the the source is one of a diode laser light emitting diode A third aspect of the invention is a device for on an of a skin comprising a treatment for use in close the s at least one electromagnetic radiation source positioned iu treatment head and to project radiation onto area of a cooling coupled to the at least one source sieetromagneiic radiation and least one channel sand a mechanism to project a onto the cooling and into the at ieasi The substance may be a liquid or a A fourth aspect of the invention is a device for use on an arsis of a s g at least one electromagnetic radiation source configured to project radiation the area of a cooling surface thermally coupled to the at least one and a solid mass coupled to the cooling the solid mass changing phase in response lo heat absorbed th cooling the solid is or may be dry device may a to muss with the The device may further comprise a treatment me source is positioned wit the treatment The source be one of a diode laser light emitting diode and Th cooling surface is a of a thermally conductive electrode providing power to source or a conductive sink that is thermally coupled to C A fifth aspect of invention is a device for use of a s skin electromagnetic radiation source configured to project electromagneti radiation the area of surface to the at least sourc a solid coupled the least portion of mass besoming a liquid in absorption of from the cooling vent configured receive a portion of the liquid project the portion of onto the The further comprise a mechanism for combining liquid with a chemi cal substance and directing liquid and combination onto patient A of the invention is ε device for use on of a patien s skin comprising at least one electromagnetic radiation source configured project onto the of a cooling surface thermally coupled to the a1 least and a reaction chamber coupled to cooling surface and containing least first and a second chemical the first and second compounds selected to provide an within the reaction The cooling surface may be a surface of a conductive el ectrode providing power to the or cooling surface be a surface of a thermally heat sink that is thermally coupled to A seventh aspect of the is a device for use on an area of a skin comnrising a treatment for use in close to the s least source of radiaiion positioned in treatment and to project electromagnetic radiation onto the area of and cooling surface coupled to the at least one source of electromagnetic the surface having a channel therethrough to allow point liquid lo flow onto a surface of the cooling The may further comprise a valve connected to channel to control the evaporation of the point The device may also further comprise a heat sensor to a signal indicative of the temperature of the area of and a controller to receive the signal the sensor and control the valve i response to the device may a press is coupled to tbe to control the boiling of tbe boiling The is one of a laser diode light emitting diode and The aspect of the invention a device for use on area of a s sldn comprising treatment head use in close to the at one WO radiation source positioned head configured to project onto the area of a spreader thermally coupled to the least sour and a cooling surface thermally coupled to t e The source may o a diode The be surface of a thermally conductive electrode providing power to or may be a of thermally conductive heat is thermally coupled to aspect of is cooling for c a generating device a cooling surface manually coupled to and a nozzle project a high pressure l the l iquid a flowing liq uid on the cooling The pressure liquid may be projected such the liquid forms a stream of liquid entire between the nozzle and me cooling surface may be the may further comprise a cooling chamber to redirect the to the cooling cooiing chamber include sidswalls a While of the embodiments are described reference to treatments in it is to understood the benefits of aspects of this invention apply to devi well and the applies to either without BRIEF OF THE embodiments of present on will be described by way of example with reference to the accompanying the same reference numeral is fur elements in the various in 1 a schematic of some basic elements of photo cosmetic device according to some aspects of the present FJ G 2Λ is a side view of example of a according to some aspects of the for use in performing procedure on an area of a patient1 PJ 2B is a schematic top view of irradiated area of shin taken along lines 2B 3 is a side view of an example of a radiation that is of forming two areas radiation on area of s A is a top view of one example of a appropriate for formation of of wo a schematic i t view of one of a head to of ύΑ a si one example of of a evaporative side another of a cooling system cooling a of another embodiment a system a cooling liquid and having a cooling is a of embodiment utilizing liquid which vent separated from the port through which cooling liquid enter a side view of an embodiment of a cooling system having a side of another embodiment of head utilizing evaporative cooling of a is a side view of an of a cooling system using a solid material according to of the is a view of an embodiment of a cooling system using an for is a iew of an of a having exhaust to cool a s is a side view of one example of an snibodimsnt of a msni optical appropriate for use devices according to some aspects of the present trace of o of an embodiment of an optical as illustrated in A is a side of one example of embodiment cylindrical system for use devices accord tug to aspects present is a ray of one example of an of an optical illustrated in MA of of of a tw optical system appropriate use with according aspects of the present MB ray trace of of an of an opiical as A a of another of a embodiment of appropriate for with according aspects of present is a rav of of an of an opiical system as in FJG J is a illustration of exemplary embodiment of a for FIG J is a of embodiment of a for procedures also provides the capability to a is a schematic illustration of of one embodiment of an apparatus to some aspects which determines contact between opiical and surface of a FIG J 7B is a schematic of one exampl of on embodiment of an apparatus aspects of the which optically contact berwsen optical and the surface of a is a schematic illustration of one example of one embodiment of an apparatus to aspects of which electrically determines contact optical and the surface of a is a cutaway side view of one of a a a schematic of one example of embodiment of a motion sensor is a schematic illustration of another of an apparatus an optical is a schematic illustration of one example of one embodiment illustrating seme aspects of device to the present is a illustration of one example of an embodiment of a hand docking station for docking a 22 ίι schematic illustration of of a handpiece is a schematic of a having or suitable is a schematic of modular having or more components suitable FIG a illustration one example of some aspects of is schematic illustration example of a head aspects the present invention directed to treating a curved oi FIG is n schematic of one embodiment of two of a curved schematic embodiment of some of 2700 according to present is a of of a device according to at least aspects of the present DETAILED DESCRIPTION OF THE is a schematic illustration of basic elements of a device according to some aspects of the presetvr an area of a on which a selected is to be Area of skin 1 has a basal layer an epidermal I aver 121 and a layer phoiocosmetie invove treating a area located epidermal layer or layer for the of hair may be desirable to heat a bulb of a hair follicle J a portion of may be for the membrane 152 between papilla ihe In some embodiments of the major of device unit 0 and cord couple handpiece J 70 to base unit Base nu include a power supply lo power control electronics 122 and electromag etic radiation Cower supply 124 can be coupled to via cord Corel preferably lightweight and as described with reference lo cord 126 and unit 120 may used as a charging station for a rechargeable power source batteries or located in 0 some base 120 can be completely eii iuatsd by a power source and an in t handpiece Handpiece j 70 includes a head t referred to a to be in with patient s bundle J that be grasped by opera ι or to 3 HO any direction a the patients For 1 80 be pushed across skin in a forward direction J or pulled skin backward directi 3 given contact will between the skin while head Handpiece 70 mechanically en or across skiu surface area 1 between head 1 preferable i o ensure good thermal and optical As described in embodiments of the present head area of skin are by a or active cooling apparatus to to the head and reduce the occurrence of skin damage In source 125 is located in handpiece for exampl e in head 1 source 125 is l ocated in bass unit 120 and connected to head 1 SO an fiber fiber through handle or be otherwise connected to head for the purpose of light In some receive inform head 1 lines for example information relating contact of head with skin the rate of of head 80 over trie 122 control signals to head 1 80 over lines Lines may be pari of cable thai is also connected to 80 ugh e 190 or may be otherwise connected lo the Controls 122 may also generate to control the operation of source 5 and may also receive Controls 122 may also control a selected output device for example audio o device optical output sensory outp ut device or other to mi Depending on operator other used output devices may also some output device 1 is located wi thin is a side view of one example of an inanimation system 200 according to aspects of the present invention for use in performing a pli procedure on an area of a 1 1 is schematic top view of an irradiated area of a s skin 1 0 taken al ong es of In an of the WO i system an the of a device head 1 in such source proximate the skin surface Pspsn J to may be configured to i multiple in Source example a alexandrite or other solid gas diode or other suitable light be an source for an arc halogen or suitable optical system comprised plurality of optical surface for radiation EMU source and skin i Further details of optical are given below reference FI G 12 The phrase is used to refer to a for type of oniical for some source 204 has extended dimension in the source is substantially One of ordinary skill would understand that plurality of point sources be combined to form a substantially linear relatively small sources be combined io form a longer continuous linear or course Laving or more For source 204 be a diode laser bar having a 1 cm long emission and a few line v source 204 may incl ude two or three bars placed i j a line the io a 2 cm or 3 cm long linear so urces may be placed adjacent to one another in the y to form source having an increased line System one or additional sources similarly or differently configured the one or more sources embodiments having two source and source at the same or different wavelength having multiple sources it be desirable to activate only selected sources for a en For in having sources emitting at different for hair may be preferable to only activate a selected or more sources and for other for acne or to activate a selected or more other While sources arc discussed as emitting a1 a of skill would that any radiation source produces hi a range of specified wavelength mar be broader range source 204 a pulsed or continuous e For require coverage of large s such US hair CW diode bars be preferable A of utilizing wave light he of various described S anti for Ί Li substance of which incorporated bv reference aspects o leach use of a C combination a opucal delivery can he hand scanned or dri en surface create precise temperature rise die targeted biological structures continuous contact scanning commercial diode exhibit lifetimes of application according lo the invention only require 00 hour embodiments of the present a source be overdriven with to increase radiation thus the diode laser to operate at higher and thereby sacrificing Diode laser bars appropriate for use with present invention include diode laser bars wavelengths of other suitable Examples of sources of diode laser appropriate for use with aspects of the present invention include Coherent of Santa or Spectra PJrysics of The examples of sources are exemplary and it should be understood that aspects of the present invention devices apparatus appropriate source currently available or e ev ei op For embodiments the ii for those requiring either low power or for treatment areas of a patient be used as light sources LEDs are a wide range of Similar to the diode laser sources discussed multiple LHDs different wavelengths could be sed a single optical Typical for arc the similar to laser it be possible to overdrive an LED and sacrifice lo generate opucal For applications require power a reflecti concentrator a parabolic could be used to decrease the spot size al the skin Broadband source halogen arc lamps and halide are another of light source lliat could used as sources One or optical fillers i 240 i can be ussd to band of interest for a can be combined produce similar to the case of could be to the the s di of be into a device G of system splitter 230 splits radiation from source to form firsi portion of and a second ponion of portion and portion filtered by filters 240 and After the portions may or different wavelength The of the first second portions or For function of second portion o be patisnfs 0 in preparation for treatment by tbe porti on both the firsi portion of and second EMR provide to optical is configured to ε first area of radi along a firsi a ds 2 on th sicin First area of radiation 21 0 is formed at a firsi ponion of electromagnetic from in FI a second area of 221 is formed on the sldn H Q Second of radiation 220 may be form ad a of the radiation source alternatively second area of radiation 220 may be formed from light from second radiation source in aspects of the present first and second axes 221 are parallel however in other the axes 21 221 are not System 206 be configured to form firsi area a selected distance from area or may be configured such firsi portion of radiatio overlaps ai least of the second portion of system is configured to form focus or the first portion and second as Optical system 200 may be configured to OT or lines of light tbe sldn each having length of mm and a width of tbe beam can be in range The term is herein defined to mean the ratio of to beam 206 be to form one or more additi of radiation along additi onal axes on the patient s sldn tbe additional areas of radiation wo i formed additional portions radiation the radiation source 204 or radiation one FI 5 side view of another of an ill 300 for n is capable forming two of radiation l 3 of a shin system i instead of a optical 20ή generate corresponding of radiati n 31 J areas of The radi ation used to the l be from TWO sources 305 or a single divided source described above with to 4 a view of of illumination system 400 appropriate for formation of islands of System includes plurality of sources 0 a conventional laser di emitting a iine or circular spui of having a corresponding optical system 415 direct light onto area of illustrated n may be to create a square aril of focal spots having islands of within tire area of The term as used hare is to mean an of treatment from other areas of specified such that areas between two or more areas receive radiation in an necessary to achieve the of are discussed greater detail in Provisional filed December by entitled and for the of which is hereby by For of devices according the that utilize management of waste heat from the sources is important for wounds and other injuries to the For in the case of a device that includes diode laser burs in ie handpi up to of electrical energy may be dissipated in waste In addition to the removal of heal to avoid removal o may be lo from overheating and shortening of the FIG 5 is a schematic side view of embodiment of a head 500 according to aspects of the present Head 500 incl udes an illumination system including an EMR diode laser bar 5 and air optical Head 500 may be located to protect the optical and to protect the operator of a photocosmeti e the i s omitted to avoid in FI a diode laser bar operates as source of electromagnetic source 204 in and may be used form or areas of 21 220 i Diode laser bar 51 rs positive 51 5 and electrode 5 5 16 to diode bar 5 made of suitable having good conducti are in with diode laser bar and hav good transfer waste away diode laser bar 51 for electrodes 6 may be made of aluminum or waste from diode laser bar 510 be via electrodes and 51 6 to a Heal 530 be of any material good ty to transfer waste away from diode bar 1 for heat sink 530 made of or 530 can be cooled known method of cooling stream of may be by adding fins shown to heat sink 530 he cooled by one or more of the heal removal methods discussed below reference to 6 1 1 Also a spreader 522 may be located between 51 51 and Heal 522 is thermally coupled to electrodes sink Heat spreader 522 may be made of suitable material having good thermal preferably spreader 522 is electrically Diamond and carbon fiber are two of materials suitable ibr use hsat In some electrodes 51 6 are confi ured to be sinks to conduct waste heal away from diode laser bar heat sink 5 and beat spreader 522 may hi such 5 6 be of any materially exhibiting good thermal and electrical one or thermal sensors 524 a be used to onitor a temperature indicative of a skin the temperature at interface of an optical 520 and electrode for use in a cooling system as described laser bar may be secured to electrodes and 5 ί using method callable of maintaining good electrical contact between bar 51 electrodes 5 embodiments where transfer of heat is any suitable method of achieving good t ermal and electrical contact may In embodiment diode laser bar 1 is between two electrodes 515 A or oilier suitable device may be used to clamp diode laser bar between electrodes another diode l ser bar 5 0 may also be glued place with conductive embodiment diode laser 51 is soldered place a solder WO U A soldering may be achieved using au preform and electrodes applying using die bonder and then solder d iode out with high thermal and low electrical viry may included provide electrical insulation between the 515 and to sonic of t present opiical 520 couples light from diode laser bar a s Opiical 520 be separated from diode laser bar by air gup 51 Exemplary optical systems 520 arc in greater detail below with 12 embodiments according of the system 520 configured to an of a patient and the opiical surface is cooled lo provide cooling the patient in of diode laser bar and opiical system 520 are achieved using a single For electrodes may be thermally coupled TO opiical system 520 dimensions both diode laser bar 510 and optical system 520 be cooled by the electrodes 51 G directly or via cooling of a heat sink 530 is coupled to 1 51 Dimensions A are typically both bsrwssu roughly 1 10 Further detail regarding cooling of an source and an optical system are given in application serial number fled December substance of is hereby incorporated by Contact cooling of skin may be used protect a s epidermis during deliver of radiation the for example wavelengths where embodiments of optical 520 a sanpiiire element configured to contact a due to its good transmissiviiy and As described opiical system may cooled to sapphire element prior to with a that is at operative be applied on the the location is conductive to removal from through optical surface the loti on also ftici ii aics the gliding optical system 520 over the surface and has refractive index match between contact 520 the to provide optical coupling of the radiation into The lotion may also be used to show which areas have been treated by choosing with properties color or are altered in response to W O ί J 7 irradiation by an source laser diode 5 0 For initially a irradiation would become transparent l or different ability distinguish areas is particularly important such as h ir removal ov r large 5 also of a for bar optical 520 via sink a beat abso a thermally conductive conduit 540 to in ana is the Optionally water be provided by attaching a of cold such as referring G water may provided through a having suitable a cooli g loop having a heal exchanger to remove from the the exchanger may be l cated handle 190 or base unit again to FI conduit covers at least a of one or for 542 of sink A single planar conduit cover the entirety of one or of sink a plurality of each covering of a surface 5 may be one or conduits 540 may cover at least a 5 Since cooling may be applied to either sink directly to electrodes a surface of a beatsink a surface of an or other appropriate surface heat to be removed shall hereinafter be referred to as a a coolin surface is illustrated as an it is to be understood that a cooling surface be internal such as a surface to conduit through a heat sink or an el FI is a side view one example of embodiment of a cooling system GOO tha uses evaporative In G a phase change liquid is sprayed from one or more spray j ets and 620 onto cooling surface The liquid can be any suitable evaporative such thai the evaporates in response to absorbed from th e cooling some the a directed on the heal such that as the liquid boils in to heat absorbed from the cooling surface some the l iquid is point point although any oilier or liquid could also some the l i q uid is atomized by spray jets 6 and W O J U 1 l iquid be contained in a tainsr j i the or container 625 conveniently by so b A conduit is used the liquid 10 spra 61 and Th amount of coolant flow is by val ve which controlled manually or using n of present a 500 of 5 sensor in F be used to a solenoid in spray j 6 0 can a valve arid spray the for a separate the cooling surface 623 which evaporation be to increase the surface area which the can Although triangular of live evaporative surface is any shape sui table for surface area may be The illustrated may be of a grooves a view of a circular or appropriate groove Other includes plurality of projections or projecting from the cooling a collar be used to surround spray jets 620 530 to contain A change liquid also be used ιο cool the 644 used to power a photocosmetic power field transisrors used to control the power of a device generate large of power FETs have relatively large heat a fan to remove Such systems be large Cooling according to the present invention provide of a portion of the phase change liquid conduit 626 that provides l iq uid to remove generated by the be configured to portion of the phase change to the spray jet Spray directs a portion of the phas change liquid onto surface of A sensor 46 a used to control the amount of liquid projected onto cooling for by a valve F is a of another system 650 for use in a head a liquid In a iiguid is maintained in 655 1 to 5 atmospheres of projected through a 660 on a cooling surfac proj ected liquid 607 from 660 may o or of the liquid is pr a stream to overcome aerodynamic high the of system As described cool 665 be material a good copper silver cooling surface selected dimensions large enough liquid 655 evaporates from surface 605 drips oil said surface i 607 nozzle protected cooling surface to form a liquid 5 cooling and mav be selected such t e liquid is stream entire distance between the nozzle 06 and upon impinging surface forms a flowing ai surface nozzle and surface selected such rite liquid projected from may a spray of droplets between nozzle 660 cooling surface 665 before aggregating to flowing liquid af cooling surface projected from no zle 660 is undet flowing liquid surface 665 across cooling surface 665 at relatively igh speed forming a fl liquid 605 on 5 used to provide removal from surface compared to conventional system which droplets a are formed on cooling surface For the result from the fact dropjste a conventional are sufficient or density to achieve maintain selected amount of heat is a schematic of another embodiment of a cooling system 670 for use in a utilising a cooling liquid 655 and ving a cooling Head 675 and a cover 680 having a port for entry fllie liquid 655 from 675 and covet 680 form chamber 6 682 may also serve as an exhaust vent for evaporated cooling As indicated by arrows 675 and cover redirect the liquid 655 cover the surfaces sidewalls 675 are preferably selected to be thermally coupled to the cooling surface 665 such thai liquid contacting the sidewalls 675 may remove heal from the cooling surface Opti th side walls 675 be integrated witf cooling 665 such thai liquid contacting the 675 may In some be cover 680 has poor thermal ity and poot wetting characteristics for the cooling liquid to improve the likelihood that the cooimg liquid will reach the cooling surface in some cover is made of a polymer or glas chamber angle chain be having it continuous Because the S of the chamber some ir d area enough pressure s of the selected xo small allow cover 10 of to the cooling i maintain chamber l d For S may be una the s of In some the cooling liquid is to a liquid has an boiling evaporation of less than degrees Celsius for pressures Jess than or atmospheric is a side of an laser a cooling liquid t e is separated port liquid enters Chamber 696 is bounded by a cooling surface walls and cover surface is thermally to and 520 via coupling greater detail A liquid from nozzl e projected onto tortured surface portion of the liquid which does not cooliiig surface dirsctiy is redirected by walls 693 cover 695 as cover be selected to have a frequency to enhance its ability to redirect the liquid to surface optionally a means reduce the of the liquid placed the nozzle 698 and the surface cool the 7 is a cro side view of an of a 700 for contacting skin has and in the el ectrodes Evaporative cooling occur along of electrodes 5 J along surface of channels 1 thus surface l ocation of ch 730 and proximate di ode in one 73 are located along the ienglh of the d i laser bar 510 al ong are located spray 61 0 to 730 and have cross section or other shape to improve onsnings 1 may be to spray from ύ an along the ngth of diode C of channels both of laser oar 0 diode side v iew another of a cooling G used cooling liquid used ii aprav illustrated liquid of reservoir into pl urality i located within surface The length of each tin channels extends the direction of of 5 j Tut is into thermal with surface flic d may be a point liquid evaporates in absorbed cooling surface A may be used ιο the liquid is valve and a pressure than is applied to the liquid to facilitate evap The pressure drop causes the liquid to heat from cooling Although channels are as in a direction to the of channels are illustrated as having rectangular cross other shape of in or in various directi are possibje and within the scope of the of A signal can be derived a sensor 524 to control a solenoid in control valve 9 a side of another of a head 900 for surface i H ad 900 has cooling system having a surface 923 is brought into physical contact with a referred to as a phase change At portion of the soli d changes phase in response to heat absorbed from surface The phase change may be a solid to or a solid to a some solid has a inciting temperature between and in undergoing phase outside tins below this be some solid located within a device handpiece handpiece 370 in FJG so as to user some the solid mass is contained insuiathig to avoid contact with to s do exposur to room illustrated sac be achieved by using ε manually or electrically controlled solenoid or a spring 835 to bring the solid mass and out of with cooling surraae 9ii in of the cooling the solid is tins embodiment out the to operate the a frozen block could be the device dn which has a sublimation melting of could also achieve greater capacity It is be iood t ai the block one or additives t rrent commercially available organic compounds paraffin as phase change Examples of appropriate paraffin wax materials include produced by therm lias a point of 27 hi othet greases el tin points range may be used as the phase in Ga or a Ga alloy or which tailored to exhibit point the J rs used as the sol id a the thermal conductivity of Ga and would help spread the waste heal throughout the alloy A disposable cooler cartridge be used to contain the for the change solid may be used either once and then discarded or may be rechargeable resolidified one or more an embodiment of head having a cooling system in an chemical is used for of appropriate reactions are nitrate or chloride into water causing ati For if 200 ml of water is mixed with 200 g of ammonium temperature of approximately can be thus allowing absorption of a an reaction contained within n chamber and reaction chamber is thermal iv coupled 1o cooling surface some reaction chamber could be coupled to surface a having a good thermal In some the a thin membrane a first chamber of water and another of some 5 can lie broken reaction and the reaction could be disposable For the user apply 10 a plastic reaction chamber membrane and thereby produce a reservoir of cold liquid prior 10 turning on the the membrane ma removed or otherwise manipulated ι sordine allow the chamber and chamber sick an o 1 a i J ai liquid or gas directed an of J it the of 2 during For a of cooling sprayed 530 or thr gas evaporation the liquid enter conduit 0 and sprayed skin by The lj condensed eva described tap water utilized for cooling an ice described possible to portion of alter water was cooling some the pressure rom a gas resulting a phase change system be used drive a lotion a Although illustrated illustrates inverting of the tooling liquid afier it is used to cool in OJ the cooling tire used cool the surface one or additives may he added to the liquid via conduit 1 to form a cooling prior to on lite The could stored in s cartridge in the some to achieve a all of water editing the coul d be onto the As an alternative to the evaporative li an alternative source of liquid or lotion independent of be stored a cartridge in the handpiece or the bass unit and dispensed while handpiece the skin To avoid o trie following anplary of opiical for use of iiie oresent orr will be described with reference to a single radiation however as described one sources be used to one or areas of In the optical systems described each of the surfaces having optical power power a opti cal power al ong an a normal to the axir i the Thai lenses are erabudirrjents di scussed below planar or o designs are within the of present invention ι tS I I ii s of 3x1 of use with according some of Optical includes 1 lor l ight radiation diode to 0 surface an output surface 212 coufigurcd to a s Source 1220 coupisd to 1 of close coupling 0 large j oi laser to be trans to s some input surface an As described 1 O made material substantially at the preferably made of a is thermally conductive to from a treated la the lateral of element O coated with a material refl ective at the operative silver or the space between source 1220 and surface J may surrounded with a reflective to the strength of bright la opti cal 121 0 is a sapphire 1 3212 and no optical another embodiment of optical 1212 a cylindrical curvature shown sel ected to converge light incident 011 surface For one surface a radius of of atr This can be used to require high For the of FI G can be used to target cells of hair sebaceous or lateral 1213 have length L approximatel the ran ge 50 a width in the and height in are to coll set light source For for source comprised of two diode laser to 121 the width is selected to be 2 height is 2 can As optical 1 21 0 transmits portion source 20 directly to 1212 wi th no refl ections on lateral surfaces exemplary 0 porti on of l ight source refl ected lateral surfaces 3213 prior surface such as that a portion from lo total reflection also herein to as a a up reflect I 222 mav be to redirect light scattered of the skin bad the photon For wavelengths a d of light incident on the ui of as of understand of scattering partiallv dependant on by out skin toward the stm using effective provided system 00 can be increased by than a In one reflectors 22 extend a total of upper lateral surface and surface reflectors have a or silver coating to the A coating be applied to any surfaces of the device that are exposed lo the from the As one of ordinary skill in would location efficac of these surfaces is dependent on the chosen geometry and of th recycling is discussed further Application filed August entitled for Dermatology and fried March the substance hereby orated by a ray trace of one of an embodiment of such optical J 200 having source and an 121 illustrated is a side view of of an embodiment of a t cylindrical system appropriate for use devices according to aspects of the present in which a collimator JO is used in wit a very closely coupled to optical source one a length a planar input surface 1 an output surface having a curvature of to collimaie the output collimator 121 is located 0 surface Collimator produces a of radiation substantially colliinated the al surface or may be a lens number produced by Limo of Germany coiiirnaied beam projected input surface of optical element As described above mav be a or mav surface have a us of curvature equal to to for the skin svstem can used to structures that earn the system of can he used to sebaceous or collagen trace of example of an embodiment such an optical 1300 a collimator as FIG A a of another exam of an embodiment of optical svstem appropriate for use phoiocosmem devices according to aspects present optical system collimator of used i with an si I 1420 loeaied 0 1 nun surface of project light source input a curvature of output surface and a length of mm incases at approximately mm from surface 22 mm below the surface for in which surface 1422 is configured to in contact s heights of a d are selected to be in 20 made of This system he used to target shallow structures require high treatment For the lsns 1 A can be used to target sebaceous or iiair stem J a ray trace of one example of an embodiment of such an optical system having a source and a collimator and an 1420 as in is a side view of example of a embodiment of a cylindrical optical system 1300 for use pholocosuietic devices according to some aspects of the an optical system that can be for to focus the diode deeper than the optical system 1 00 For optical system may focus the diode Light approximately 2 mm below the skin surface from surface J to target deep structures hair deeper blood subcutaneous the is a lens to a source A first element located approximately mm from source has a input surface that is planar and an output surface having curvature of lens 1 the light source A second lens 1520 having an input surface 1521 with a curvature of mm and planar output surface accordingly lens focuses the noted light 2 the skin surface In the substantially spatial optical profile output surface ί is by spheri cal in a tc the surface some lenses ϊ 520 are of ray trace em bodiment of an optical having a 20 and element as lustrated in fl u 1 oA schematic an exemplary a head 600 ibr Head 00 is without using to facilitate As above head will be moved along an area of s typically in direction Head optical 206 to light source i 1620 activate source An 650 be located between eisctrodss to electrical contact berween electrodes Electrodes be reduce the region of s st 1 6B is a schematic illustration of an embodiment of i for also provides capability to during a Electri is that may the efficacy of some For electrical muscle may be to improve efficacy of or en one two electrodes 1610 for delivering the stimulati on are located opposite sides of on ε of ί 00 that is to be with a sidn during ε treatment during the delivery of by svstein One el ectrode contacts an area of a skin prior to optical 206 and the ol er el ectrode contacts an area of skin after system A conducti ve electric o or diamond oilier suitable material can be used to el whicn provide electrical s m electrodes winch activate source 1 An electric insulator J be located between electrodes 3 620 eiectneal contact electrodes By a ior electri cal current a 6 while the handpiece is scanned across the muscle and treatment be may radio current through in a DC current a microwave some can be with or d to selectively heat portion of s n be treated with enable power of the 10 be decreased FIG schematic of one example of one embodiment of us according lo aspects which determines contact between an optical I 704 I of and a in provide eve in of sensor is used enable an electromagnetic source of FIG 5 to activate when the device contact with a FIG illumination source 702 diode laser separate is mourned a 5 dement and directed reward surface illumination 702 may be mounted to direct light toward skin surface through element Source emit radiation the same wavelength as the treatment source pieferably at a different the treatment source A is located to detect light illumination source that is or scattered surface of may be added to selectively light from source and to eliminate of light correspondin to the treatment source and any other extraneous of in case of poor or no skin a large amount of radiation light from source 1702 would reflect scatter from the skin surface J through optical system 1704 to detector 1 As illustrated in when 17 is in good contact the surface j scattering and absorption shin would attenuate light from illumination source and a relatively of radiation would reach detector bv using an electronic a measure the of and selectin appropriate llie source can be configured to only when output of is below source may be located and one or optical be used to couple light from the handpiece lo the source In another detector delects treatment source to determine contact between element 1704 and skin face such light 5 0 reflected by 3 j 704 to detector A 7 y reflected radiati to j treatment source manna low until with 701 there is no or poor 5 3 and 3 the output detector 712 relatively element 704 good with surface Ί the output of is relatively source 5 J would be to only the output of above ins of source and detector a contact detector that is iu optical computer mouse be the opti systean a produced by Logitech of As an alternative to the opti methods o methods can used to contact between and s skin FI G 7C is a of handpiece having two electrical located in a portion of handpiece i 5 such element is contact with contacts are also contact with akin Comaci be by resistance between Treatment source would be activated wh n resistance between contacts 720 a selected range range for another contacts 720 may be magnetic sensors to detect contact with skin surface 0 another e contacts may be censors to contact with s in surface 1 For or more pins or buttons be located such that element 3 704 is contact with d skin die or Multiple or other mechanical sensors located of 04 could be used to help ensure that entire of el ement J 704 face was 5 good contact with contacts can be conventional load cells to deterxninir with surface or other mechanical sensors allow the of or capacitance preferred to ensure the is with and not wife another for or one or more temperature sensors are used determine 0 with skin 3 A cal surface the temperature sensors could be located surface of the device which contacts a pati s and could be determined to occur the temperatures were a selecmd range could determined e occurred temperature sensors a lemperaiure versus of contact another where lotion is lo be dispensed on above reference could el using pressure 120 pi ess would the pressure 10 eject the l ii the when id piece was in good act would pressure lie provided to dispense Contact described in greaiei in Application Henry Apparatus an Optical Radiation Ihe substance of is herein by A handpiece is preferably scanned across s a specified speed if handpiece is 0 slowly limit be between 5 minis depending on Lite light dosage will be too high thermal if die handpiece too quickly the speed would be between 50 and 500 depending on the the light will be loo low to achieve only when the is scanned speed range does the handpiece electromagnetic radiation for An exemplary speed for operation of a piece hair removal growth delay is 500 corresponds to the speed winch are to tlie speed which passes over their a cutaway side view of one embodiment of a handpiece J O having a sensor i 820 for handpiece sensor 20 may be used lo prevent injure to skin by providing feedback control to a treatment source source such that if handpiece motionless the across the is loo slow or the intensity may decreased or or the source may be turned source may he disabled instead of reduced in In one a wheel is positioned lo make physical contact with such thai wheel rotates as handpiece moved relative the skin handpiece speed be Handpiece may be configured inform the when handpiece speed is inside or outside of an acceptable speed for a tactile indicator a could be configured to vibrate the handpiece when the handpiece speed is inside or outside range a visual audio t beeper ι be handpiece inside or outside sonic multiple indicators oi different used to inform the the handpiece speed too high or loo low or withi the desired a ο embodiment of a scnsoi system least one wheel J Preferably a is added and located on opposite of optical ensure ire S contacting of optical system moves at a rate speed within the acceptable range to provide rni a one ach external wheel I coupled a corresponding auxiliary wheel perforations around its A source projects light the direction of a corresponding detect so that as a wheel J perforations wheel alternately transmil and block light projected source J as a result as handpiece moves across a produce a signal a chain of of ordinary skill would understand thai of the across a skin is proportional TO the rate at winch the pulses A controller 1 correlates the pulse rate to the handpiece The ed perforated wheel design is a standard system mouse for a w eel in 3 Wheel Mouse produced bv Corporation which just one of apparatus to measure handpiece other apparatus are possible and the scope of this aspect of the For in an alternative a simple electric JS coupled to wheel a voltage proportional 10 handpiece I 9 another optical apparatus having a motion tot handpiece apparatus a light source infrared is coupled into the fiber 1 A light detector I L an CCD a diode is coupled to of a the ends of the transmitting and receiving I are coupled together to a is with the skin I A of projected onto surface transmuting fiber through fiber end is reflected or scattered the skin surface and by fiber Ihrotich fiber 1909 and detected 1 skin surface has similar tissues as ban vessels glands arc almost output is modulated dependent the handpiece speed One of orduian handpiece speed can be calculated modulated detector second transmitting receiving fiber 1 coupled through Ί so hat a d second lit pai locat d on o of system 206 ensure Dial entire surface of svstern across with acceptable range provide uniform illumination on a s skin each transmitting fiber coupled to a corresponding fiber a fiber and corresponding contact ai separated points and corresponding are not coupled the in such ends of fibers contacting slw be separated by distance at which photons scattered by tissue be reliably the upper bound on spaci occurs when the light coupled into fiber reduced a point at which amount of scattered generates a signal thai is too to be accurately Although optical apparatuses for measuring handpiece speed have been it should be that other methods of speed are the scope of aspect of the For apparatuses that measure handpiece speed by time of electrical resistance properties of the as the handpiece is moved relative the the frequency spectrum or amplitude of sound entitled while an object is dragged across the surface can be measured and the resulting used to speed because acoustic spectrum is dependent on alternative is to use thermal to by t wo sensors separated bv distance along the direction in which the is moved the before the optical and one In such first monitors the temperature of untreated which is independent of handpiece a sensor monitors skin the slower handpiece the the nonce delivered to a given area of the results in a higher skin by the second ihc speed be calculated based on temperature difference the sensors Ι Ί system handpiece speed a j the source or another of heating of distance t along the direction which the handpi ece moved such handpiece speed determined the thermal For a iov the have time TO nropagaie through akin heat source the however would have time reach the high temperature measured by woui i skin would high J O alternative embodiment of speed an apparatus is used measure speed u STILL the wavel ength of light 2 probe laser is projected the skin the speed is of a reflected portion of any a emb speed be in conjunction with a contact sensor as described above reference to In embocii of a both contact and speed are by the same For sensor such as ussd a conventional mouse msy be used to determine both contact and la a CCD for CM array sensor is to continuously knags t e By tracking the 0 of a particular set of as described the handpiece be measured and because strength of the optical signal received by the array sensor increases contact with th contact can be determined by toring signal sensor such as a CCD or CMOS device be to detect and measure pigmentation or type based on the light reflected back from the 5 treatment varied according to level or sian in some embodiments of the present sensor is unction with a feedback loon or table to control toe source For the emitted laser power can increased in proportion t the handpi ece speed according to a lookup in tats a fixed si temperature can be intained at selected depth by maintaining a constant at the tin despite the fact that a handpiece moved at a range of handpiece power used Lo achieve a given temperature a specified d epth described in greater detail in Application which was incorporated by reference herein the sldn ternperarure may 0 op use to suDstainialiy constant at by output temperature can s or optical The above s motion by other such sound the handpiece moved by the mourned on stage to I handpiece at across Jo an the apparatus would positioned relative treat area of i translation stage could be moved to subsequent area as is a schematic of of of a handpiece 2000 illustrating aspects of a Handpiece source a power supply a cooling and The device is shown in contact with an area of Optical couples source 2055 into the area Cooling 2046 be a or any appropriate cooling cooling system 2046 is in good thermal contact with the 2045 electrodes other not A power supply 2047 battery or supplies electrical current to optical source Contact speed sensor 5204 ensures safe effective described Although a and speed sensor is illustrated as a it should be speed sensor different components and there may multiple of each type of sensor as described abo Control electronics 2049 data from sensors 2048 or other sensors and control source 2055 and cooling system Cooling 2046 be cooled prior to treatment vis a plate 2047 be charged via electrical 2052 controls the electrical housing 2053 may be used to or or of the Lair removal device 2054 bt located to hair irradiation bv light from optical source 2055 to that no hair above For hair removal be a blade razor a safety wo t smiaee is out handpiece moved across t device like produced by Happ abr ve devi ce grinds or compound that dissol A hair removal device be made disposable such tnr hair device ir replaceable by be instance a having or plurality be instance of fine abrasi e paper be A body coarse hdiially hair or a blade may for few treatments and e may be used for subsequent abrasive paper may be with a stroke of and in other s paper be vibrated by a 21 a schematic of example of an embodiment of a handpiece for docking handpiece Docking station contained in housing 2156 charges via electrical contact Cooling 2046 cooled by chiller 2157 a For chill er 57 be used to recharge a cooling by condensing phase change freezing phase change dissipates beat produced by chiller utilize or solid for removal or simply be ar by to 2159 contains wires to supply electrical power to the station an electrical outlet and farther include for of heatsink 205S A and a handpiece station are described greater detail fifed December by G entitled ethod and Apparatus for E the substance of which is hereby incorporated by For some embodiments of a photo cos is to one or more replaceable for in some where the handpiece will likely dropped or otherwise ii advantageous to make one optical systems from the achieve a variety treatme each require different optical sources or systems treatment of pigmented l esi on removal treatment to achieve hair optical would permit the user to applications with the same for employing sources sources having a replacement of the ΐ ί end useful be desirable FIG a schematic oi one ol of a handpiece 2200 a detachable head 2200 has a handle 2220 coupled to a head Handle 2220 may coupled lo using am known method of fastening head 2 al components c I facilitate use of replaceable PIG 23 schematic of one example oi an embodiment of modular one components ui Foi handpiece 2300 asseiiibn replacement an a assembly and a assembly modular handpiece 2300 such that head assembly contacts a plug ofpowei assembly is a schematic illustration of an assembly 2 including a source TWO The source 2 be incorporated a disposable including electrodes 2 sink optical and coupling plates plates 2440 be used fasten optical system source and heat Preferably the fastening mechanism of source 2410 is configured to align source to optical system 2420 Also coupling plates are made of a having a good thermal conductivity to conduct beat the oplical system To simplify alignment of source 2 and element source may be to optical addition to replacing the source 2 the end of its useable it may also be desirable to facilitate the of light sources for use for different cosmetic treatments without having to purchas multiple it may be desirable to facilitate of light sources based on skin hair type on the location of the area of 10 be treated a schematic illustration one example cos met device 2500 some aspects of the present Device 2500 has head 2580 and 2580 has a first optical optical system 31 in lo form a first area of radiation area in and a second oplical system 25 5 optical 31 in lo a second of area in on a As above with reference to radiation to form the area and second area a single divided source or two ί shown Device 2500 also system a wheel 10 wheel of and second wheel 2522 to of located an opposite of optical ιο unsure enure contacting surface of the optical moves rate of speed the acceptable range lo provide uniform on a schematic illustration of a head aspects of present invention directed a treating curved area of skin a back Head 2000 includes two pivoting transmission and delivering radiation components of head 2600 are substantially contained within a housing 0 and coupled to a base cord Housing 2 30 as a frame facilitate The size of compone ts 2 00 be selected according to the body pari with which are to and heads may to cord to pe treatment of various body parts Alternati each head may have a fixed cord thai each cord be into a base unit and is a il l of one embodiment of two transmission systems and of a bead to treat a curved Transmission systems and 2620 are illustrated without a housing to illustrate there relative systems pivot at least direction to facilitate of a curved area of For systems and 2620 oiay be mounted t relative to one another 30 degrees arid to rotation axis X and is a schematic illustration of embodiment of aspects of handpiece according to the 2700 includes a housing a handle 2702 and a head 2700 includes a head assembly au a cooling assembly and a power assembly 2730 is of one embodiment of a device 2800 according lo at least aspects present includes handpiece ii base unit a cord 2826 to couple handpiece 10 lo base Handpiece grasped by an operator to move a head 2830 across a pari s shown 2830 be any as described above or any other suitable head to achieve a treatment anv of treatments described a of of can achieved using apparatus and methods according to the the treatments c intended limitin Apparatus and the ention ai t and to am known or absorptio oi b a tissue responsible cosmetic b a the Ί achieved by heating oi the tissue below temperature of irreversible damage achieved b to irreversible dama achieved by stimulation of biological response 10 oi bv induction of a cascade a response achieved bv A res till from a combination above coolmg DC or AC electrical physical vibration or other physical stimulus action may be applied to a area or area to the efficacy of a A result from skittle or sessions may be used to achieve desired clinical A device according one or more aspects the operate a variety of optical For electromagnetic radiation delivered to have wavelengths the range 1 00 The power of the delivered be i and exemplary scan speeds The desired radiation characteristics may be achieved by any suitable and diode lasers or other suitable light source presently available or is cosmetic thai could be performed by apparatus methods according io aspects of the present the case of hair removal the principal for thermal destruction is the bulb and preferably the papilla or basement membrane of the For hair treatme located in the and follicle the targeted While the bulb contains melani arid can be thermally basement which provides the hair communication pathway between the papilla within the bulb and the within the the highest c of and be selectively bet ween and tun typically used for By combi ation of different hair related targets basement stem eel can be heated to the ation while the the targeted epidermis a combination and long puisewidth be A more detailed explanation of ban removal IS given provisional paten 1 application entitled AND FOR GROWTH Rox al March herein reference removal often required large and required therefore large the of times Current generation diode bars art capable of W ai MO for in embodiments devices according 10 the present methods growth manager QUI may be achieved combining irradiation follicles light physical of complete or physical extraction the f llicle According to embodiments irradiation achieved by irradiating portion of die the follicle a light source einittiug at a range of wavelengths absorbed by n or other endogenous exogenous i the Physical can be performed by or other suitable This can be used for either temporary hair reduction or liair A first embodiment of a of hair growth to present includes ust physically removing Jiair then the skin as described to some the removal can be ro remove hair shafts from alternatively ban be clown to keratinized This depilation can be by electromechanical d or can be for using one of the embodiments of device described According these ligih absorbed by melanin atrix as a result of thermal injury hair growth is decelerated or completely depilation but before a topical lotion can be applied to the skin via the in a area to fili empty iiaii follicles to the removed the transparent lotion is selected have a e index a range to provide a waveguide effect to direct the light to a region of the skin be irrad Preferably oi of of water on additives of water In of of the lotion higher the oi reiracriou of in some the of refraction of the lotion is ichsr t index of refraction of the inner sheath of refraction is greater the index of refraction of inner root of the be delivered to hair vi without length to skin by the beam divided by speed of of the irradiation For a size moved a speed of 00 provides an effective pulse of 20 60 For a power of the effective is doubles fluence of light delivered by device without the use of a high in of the lotion be adjusted o decrease the Threshold of such lower to thus provide hair growth the be doped by or ions or with significant absorption of emitted by the Due to increased absorption of light in hair follicle due to the l lower power irradiation source may be used to ide sufficient irradiarion to beat the hair A second exemplary embodiment of a method of hair growth management according to the nresent invention includes first the and physically removing bar as described By irradiating of the shafi to the follicle or the hair follicle to d is mechanical or electromechanical depiiation may more easily achieved by using s or el ectromechanical epil aton pain may be Irradiation weaken of hair bulb to or therefore is possible pull out significantly percentage of the hair follicle from skin compared to the depiiation Because the diameter of bulb is close to diameter of outer root pulling with bait permanently destroy the entire hair follicle including by first irxadiating and then new growth can be delayed or Treatment of is another example of a cosmetic that may be treated by apparatus and methods according to of the present The formation of e poor n inhibi of cell ular For dead ths intracellular space nun iipid over tissue nodule occurs ue anc cellular waste TWO lor both of which 10 both blood anc k of th at arc created a rr source lira a in the range l j combination with an optical to 2 10 k a i power delivered to the is operated at to create of Celsius ai a distance 5 the Cooling be applied to avoid or reduce the Epidermic to reduce wound of achieving a selected temperature a selected distance bsio the is Patent 691 fued August the substance of i f whi ch was bv reference herein The incl ude of the of the over ths In a second exemplary 2 treatment source light a emitting diode at a in 700 is TO focus i distance 2 rain beneath the to elevate fat 0 temp to a well the thermal thresho ld a temper autre in the 42 60 de to exemplary heating increase the of iipoiysis fat and cause apoptosis programmed death of a topical lipolytic cream may be usee combination with second the elevated temperature profile in the fat 5 may enhance cream penetration and thus increase its to very long thermal relaxation of fat J mulliple of an area can achieve the desired heating of the while normal skin The above exemplary treatments may be used for fat metabolism and f at 0 Acne very common disorder that can be treated using apparatus and according of the results when sebum the sebaceous caiuiot reach the skin surface via hair a bacterial infecti wo 42 hair treatment an to and following are methods of e to present In of naated area be relatively of tiros CV sourer first possi ble is lo e the sebaceous The sebaceous l ocated ap 1 below the sinn iocai s this using a waveisncuj absorbed by l ipids in of and j direct thermal destruction becomes For to cause thermal a temperature of Celsius be generated at mm surface using any of the described in Applicarion 691 filed August the substance of which was by herein a linear of focal spots described above with reference to be to create islands of Although the position of the sebaceous glands be each treatment a of spots result in certain of sebaceous glands being the area multiple a significant number of sebaceous glands wiii be alternative treatment acne involves sebaceous to a point below the temperature to temperature 45 degrees to achieve of sebum production cell selecti ve treatment take advantage of the low thermal threshold of cells responsible for production relati surrounding Another alternative troarraeni is thermal destruction of the bl ood supply to the sebaceous glands by the blood to temperature 95 degrees For the above treatments of sebaceous gland be to inirared radiation by compounds such as green absorption or bl ue near l oto therapy agents such as may be used t J o biochemical carriers as monoclonal antibodies may used to sclectiveiv deliver these sensitization compounds directly to the sebaceous Although e procedures described because the involve of sebaceous glands C and therefore of sebum output the treatments also used lo excessively method destruction of the bacteria responsible the characteristic acne Destruction of achieved stored Ac such as synthesized by anaerobic absorbs in visible spectral from strongest of around A By in seled cd wavelength ranges resulting from death of he For the desired effect may achieved using a source at wavelength the range an optical system designed locus the shi and a power density of at he skin another ibr acne involves using hi to expand opening of an infected follicle to allow sebum o e of the louori preferentially t e follicle opening consistent lotion organic organic dye or applied to the skin A source is to an band of the in the case of ICG doped the source wavelength is ί By using an optical system to generate a of degrees Celsius at the for by a fiusnce of at skin surface the follicle be expanded and allowed to How out of the follicle and remodeling oi im uridibuium order to prevent comedo which now used as an to laser skin is another cosmetic could be performed by apparatus and to aspects of the is achieved by simultaneously the deliverin to upper of to thermally stimulate fibroblasts to generate new collagen wrinkle because is wavelengths ranging from are appropriate wavelengths of treatment Since only wrinkles on the face are of cosmetic the treated area typically and the required eo v y a ep so urce be Ac optical providing io combination be used achieve the desired control of the temperature is temperature the damage of the be if the too the of new will be of manually scanned s or driv precisely control the thermal sensor could be Vascular lesions spider another cosmetic that could be by apparatus and methods TO of the of vascular the target bl ood in these treatment wavelengths from superficial vascular lesions and for vascular case of of spider the large size and long thermal relaxation of the target tissue large of a long lo achieve thermal destruction and to preserve the In aggressive epidermal cooling for pari darker ty can be to prevent epid ermal use of sources is of lesions similar ID par targeted stru cture blood and be damaged by thermal iesions such as spots be removed selectively targeting melanin in these These lesions are located using an optical at a depth of below the surface and can be targeted wavelengths the 1 cells are small with a short relaxation a shallow focus is to reach Elimination of odor is another be by an apparatus and methods according aspects of the present such a a having selectively absorbed by the used to thermally damage gl a compound may be used to enhance Tattoo is another can be achieved by apparatus according to aspects of the present Conventional devices for tattoo removal include pulsed and for removal a wavelength selected the color of tattoo removed green is used remove a portion a Since the are actually incorporated individual embodiment of a ial tattoo removal causes rupture ol thereby releasin of apparatus to aspects of present invention use removal e an optical selected lightly focus radiation from a source at the depth where e cells the panicles reside rupture cells also be possible to cells below thermal point and i duce In the case of embodiments designed to cause healing may be enhanced by operating the source in a while the handpiece is across the skin surface to create areas cells are damaged areas of areas in some feedback a speed sensor could be used to control laser and create squally spaced lines of damage independent of handpiece speed To completely remove the multiple treatments would be required relatively expensive a laser ai urn is combined with an at J and alexandrite laser emitting ar die lasers are selectively operated to target cells various tattoo of modular apparatus according to aspects of die present provide a relatively alternative to the above For an embodiment ol present invention may be configured to allow tiie use of optical sources emitting at distinct wavelengths or wavelength bands or a single source and optical components TO modify the wavelength of the light generated by In to achieve a wavelength close 1ο a diode laser bar may be and crystal could be the handpiece would be by the diode laser bar close to the urn and to a wavelength close t the an crystal y be used to double the fre of laser diode emitting wavelength a crystal such as be L therapy procedure can be by apparatus and methods according to aspects present used io for of syndrome or to or to accelerate biochemical densities and lypicaliy may be achieved using diode lasers or LED treatment sources Optionally oi of the above treatments used for of reduction of the of stretch marks and scars are procedures be achieved using apparatus methods according 10 aspects of the present Similar to the case skin res to achieve the above be possi le stimulate collagen deposition and wound healing bv creating a damaged layer the upper of warts is another procedure that can be achieved using apparatus and according to aspects of the present removal may be achieved using a source producing light in the region of od absorption wavelength is selecti ely absorbed by which appears to shuts off the blood Psoriasis is skin disorder can be treated using apparatus and methods according aspects present of the invention configured to treat psoriasis emit ai wavelengths near 800 or agents such as drugs or blue may be Treatment be applied per and be several different ways including islands of Additional application of apparatus methods accordin 10 aspects of the present invention include facilitation of delivery of topical and preparations into Having t described the inventive concepts and a number of exemplary it will be to those skilled in the thai t e invention may be implemented various and modifications and improvements will readily occur to such the examples given are not intended be The is only as by the following and equivalents it is to be understood that die use oi the terms 10 encompass the items listed thereafter equivalents hereof as as additional items or the items 4S insufficientOCRQuality

Claims (52)

1. . A melhod of operating a photocoametic treatment device comprising: coupling at least one user replaceable light source to a handpiece of the photocosmelic treatment device; positioning the handpiece in proximity to a region of skin tissue to be treated; and projecting light from the at least one light source in the handpiece onto the region of skin tissue.

2. The method of claim 1 wherein the photocosmelic treatment device is self-contained in the handpiece.

3. The method of claim 1 further comprising: removing a first user replaceable light source from the handpiece; and coupling a second user replaceable light source lo the handpiece.

4. The method of claim 3 further comprising: positioning the handpiece in proximity to a di fferent region of skin tissue to be treaLed; and projecting light from the second user replaceable light source.

5. The method of claim 3 further comprising: positioning the handpiece in proximity to the region of skin tissue to be treated; and projecting light from the second user replaceable l ighl source.

6. The method of claim 1 further comprising: coupl ing a user replaceable non-radiation-induccd hair removal device to the handpiece; and removing hair from the region of skin tissue prior to projecting light from the at least one light source onto the region of skin tissue.

7. The method of claim 6 wherein the hair removal device is at least one of a blade razor, cm electric razor, a hair stripping device, tin abrasive device, and a chemical compound that dissol ves the hair.

8. The method of claim 1 further comprising applying radio frequency energy to skin tissue.

9. The method of claim 8 wherein the radio frequency energy is generated by a radio frequency source coupled to the handpiece.

10. A photocosmetic device comprising: a handpiece; and at least one Sight source coupled to the handpiece for projecting radiation to a region o f skin tissue, wherein the light source is user replaceable.

11. 1 1 . The photocosmetic device of claim 1 0 wherein the photocosmetic treatment device is sel f-contai ned within the handpiece.

12. 1 2. The photocosmetic device of claim 1 0 further comprising a second user replaceable light source for coupling to the handpiece after the first light source is removed from the handpiece.

13. 1 3. The device of claim 1 0 further comprising a non-radiation-induced hair removal device coupled to the handpiece to remove hai r from the region of skin tissue prior to phototreatment of the region by the at least one light source.

14. 1 4. The device o f claim 1 3 wherein the non-radiation-induced hair removal device is user replaceable.

15. 1 5. The d vice of claim 1 3 wherein the non-radiation-induced hair removal device is at least one of a blade razor, an electric razor, a hair stripping device, an abrasive device, and a chemical compound that dissolves the hair.

16. 1 6. The device of claim 10 wherein the l ight source is located within an optical system.

17. 1 7. The device of claim 1 6 wherei the l ight source automatically aligns with the optical system.

18. 1 8. The device of claim 1 6 wherein the optical system is user replaceable.

19. 1 9. The device of claim 1 0 furlher comprising a plural ity o f different user replaceable light sources to provide different cosmetic treatments.

20. 'fhe device of claim 1 9 wherein one user replaceable light source is used for hair removal.

21. 2 1 . The device of claim 19 wherein one user replaceable light source is used for vascular lesion treatment.

22. The device of claim 1 9 wherein one user replaceable light source is used for tattoo removal.

23. The device of claim 19 wherein one user replaceable light source is used for cellulite treatment.

24. The device of claim 1 9 wherein one user replaceable light source is used for acne treatment.

25. The device of claim 19 wherein one user replaceable light source is used for pigmented lesion treatment.

26. The device of claim 10 further comprising at least one radio frequency source coupled to the handpiece for applying radio frequency energy to skin tissue.

27. A photocosmetic device comprising: a hand iece; at least one light source to effect phototreatmcnt on a region of skin tissue, the at least one light source is coupled to the handpiece; and a non-radiation-induced hair removal device coupled to the handpiece to remove hair from the region of skin tissue prior to irradiation of the skin region by the at least one light source, wherein the hair removal device is user replaceable.

28. The device of claim 27 wherein the non-radiation-induced hair removal device is at least one of a blade razor, an electric razor, a hair stripping device, an abrasive device, and a chemical compound that dissolves the hair.

29. The device of claim 27 wherein the at least one light source is user replaceable.

30. The device of claim 27 wherein the light source is located within an optical system.

31. 3 1 . The device of claim 30 wherein the optical system is user replaceable.

32. The device o f claim 27 further comprising a plurality of different user replaceable light sources to provide different cosmetic treatments.

33. The device of claim 32 wherein one user replaceable light source is used for hair removal.

34. The device of claim 32 wherein one user replaceable light source is used for vascular lesion treatment.

35. The device of claim 32 wherein one user replaceable light source is used for tattoo removal.

36. The device of claim 32 wherein one user replaceable light source is used for cellulite treatment.

37. The device of claim 32 wherein one user replaceable light source is used for acne treatment.

38. The device of claim 37 further comprising at leasl one radio frequency source coupled to the handpiece for applying radio frequency energy to skin tissue.

39. A component configured for replaceable coupling to a photocosmetic device by a user, comprising: at least one light source to effect phototreatmcnt on a region of skin tissue; and a mechanism for replaceably fastening the at least one light source to a handpiece of the photocosmetic device.

40. The componenl of claim 39 wherein the at least one light source is located within an optical system.

41. . The component of claim 40 wherein the optical system is user replaceable with the handpiece of the photocosmetic device.

42. The component of claim 40 wherein the optical system comprises an element for transmitting l ight from the at least one light source lo the region of skin tissue.

43. The component of claim 42 wherein the element has an input surface and an output surface, the output surface is configured to contact the patient's skin.

44. The component of claim 43 wherein the output surface has a curvature.

45. The component of claim 43 wherein the input surface mid the output surface are planar.

46. The component of claim 42 wherein the element is a sapphire plate.

47. The component of claim 39 wherein di fferent replaceable light sources provide di fferenl phototreatments .

48. The component of claim 47 wherein one user replaceable light source is used for hair removal.

49. The component of claim 47 wherein one user replaceable light source is used for vascular lesion treatment.

50. The component of claim 47 wherein one user replaceable light source is used for tattoo removal.

51. 5 1 . The component of claim 47 wherein one user replaceable light source is used for cel l ulite treatment.

52. The component of claim 47 wherein one user replaceable light source is used for acne treatment. For the Appl icant, C: 73377