|Publication number||US3693623 A|
|Publication date||26 Sep 1972|
|Filing date||25 Dec 1970|
|Priority date||25 Dec 1970|
|Publication number||US 3693623 A, US 3693623A, US-A-3693623, US3693623 A, US3693623A|
|Inventors||Edwin A Amstutz, Richard A Harte|
|Original Assignee||Gregory System Inc|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (3), Referenced by (240), Classifications (16)|
|External Links: USPTO, USPTO Assignment, Espacenet|
350 3611 7 Ell H United States Pal Harte et al. 5] Sept. 26, 1972  PHOTOCOAGULATION MEANS AND  References Cited 4 METHOD FOR DEPILATION UNITED STATES PATENTS  Inventors: Richard A. Harte, Redwood City;
Edwin A, Amstutz Santa Clara, l 1/1970 Meyer 128/398 bOth Of Calif. 3,471,215 10/1969 snitzel' 128/398 X Assignee: g y y Inc. Houston Tex- 3,327,712 6/1967 Kaufrnan et al. 128/393 I Filed! 1970 Primary Examiner-Lawrence W. Trapp [2!] Appl NM 92598 Attorney-Laurence R. Brown i Related U.S. Application Data 57 ABSTRACT Continuation-impart 0f March Depilation is effected by use of light energy of a 1970, abandofledselected frequency band concentrated into a flexible fiber small enough to enter the region of the follicle. "123/3031, 128/355, 128/398 This effects photocoagulation tissue in a limited region [51 1 int. "A61l' d t rmined the placement of the fiber  Field Of Search ..l23/303.l, 398, 303.18, 355
20 Claims, 3 Drawing Figures XENO N AF C PULSE D POWER SUPPLY -'SHEET 1 UF 2 XENOIN AFC POWER SUPPLY 7 K PULSED INVENTORS Richard Hay-Tc, Edwin AmSt vdiz ATTORNEY PATEMEfisms m2 SHEET 2 OF 2 INVENTOR RICHARD A HARTE ED IN A. AMSTU ATTORNEY PHOTOCOAGULATION MEANS AND METHOD FOR DEPILATION This application is a continuation-in-part of the copending abandoned application Ser. No. 23,921 filed Mar. 30, 1970. I
This invention relates to depilation by photocoagulation means and methods and in particular to the use of light energy to destroy hair.
BACKGROUND OF THE INVENTION It is desirable to introduce means and methods for removing unwanted body hair painlessly. In the conventional state of the art, processes where electrolysis by either galvanic current electrochemical or high frequency diathermy techniques are employed, thermal coagulation of the tissues at the hair root takes place. These techniques, however, are not painless and are difficult to administer and gauge. Thus, expert operators must be available to determine dosage and conditions for use of these methods.
Light has been used, historically in the treatment of a number of medical problems, but until the advent of the laser, its use as a coagulator of local tissues was not widespread.
Zeiss of Germany has manufactured a Xenon arc lamp device to coagulate retinal tissue in the case of detached retina, but this was a very large, cumbersome, inefficient and costly device.
The ruby laser provided to be acceptable for the purpose of welding detached retinas, and other uses for laser coagulation have been suggested, including the epilation of hair by destruction of vascular papilla which feeds the germinal hair cells at the base of the follicle.
bed. In order to have effective absorption, enormous energy must be delivered because of the mismatch, and this degree of energy was sufficient to destroy the glass fiber probes.
Literature sources provide some indices to be used in determining threshold levels of coagulation of human and animal tissues using light energy. This data is available, primarily for the vascular and pigmented connective tissues of the retina. As Table 1 below indicates (1) F A LEsperance Jr. and G.R. Kelly, The Threshold of the Retina to Damage by Argon Laser Radiation" Arch. Ophthal. Vol. 81, April 1969, 588 reported the determination of threshold levels of photocoagulation in the rabbit and monkey retina, using argon gas lasers whose output energy was contained in several lines between 4,579 angstroms and 5,145 angstroms in the blue-green portion of the spectrum. For comparitive purposes it should be noted that a Xenon flash lamp used in this invention was a black body radiator with peak energy at about 4,000 angstroms and much of its energy below 5500 angstroms. Thus, the comparison between these sources, in regard to biological effects, is quite reasonable.
The general levels for threshold effect, as determined by visual si n of tissue coagulation, proved to be on the order of 2 to 6 joules per square centimeter. LEsperance reported that in an earlier study done with Xenon light by WJ. Gerraets, W.T. Ham, R.C. Wil-- liams Jr., H.A. Mueller, J. Burkhart, D. Guerry, and J .J Vos, Laser vs light coagular; A Funduscopic and Histological Study of Chonoretinal Injury as a function of exposure time. Fed. Proceedings Vol. 24, No. 1, Part III, Jan-Feb. 1965, the threshold level was determined to be 4 joules per square centimeter as compared with his values of 2 to 6 joules per square centimeter for green laser light. The pulse lengths of the Gerraets'study with Xenon arc lamps were varied from microseconds to 30 milliseconds. A summary of the data of both studies is given in Table 1 below along with comparative data on the measured performance of a model built in accordance with the present invention?" In a report following a careful measurement program of blood and tissue absorption, the present inventors determined that maximum efficiency for coupling to hemoglobin with minimum absorption in surrounding tissue could be accomplished by utilizing blue-green light of from 530-560 nanometer wave length. They, therefore suggested a doubled neodymium laser with spectrum output at 5 30 nm.
It is accordingly an object of the present invention to provide painless, simple to administer means and method of photocoagulation of tissue useful in depi1ation, and the like.
The invention, together with other objectives, features and advantages is described hereinafter with reference to the embodiments set forth in the accompanying drawings.
DRAWINGS FIG. 1 is a schematic view, partially in block diagram of a Xenon arc photoepilator, showing in section view the probe as inserted into a follicle;
FIG. 2 is a view in perspective, partly diagrammatic of a linear flash lamp device as used in accordance with the invention, and
FIG. 3 is an enlarged fragmentary view in elevation and in section of the needle inserted into the hair follicle.
Therefore, in accordance with one embodiment (see FIG. 1), photocoagulation is accomplished by transmitting pulsed light energy from an arc source to terminate in the region of a hair root follicle with just enough energy in a very short pulse to destroy the life processes in the hair. In accordance with some other r 3 aspects of the invention, specific absorption of green light energy by hemoglobin may be effected to photocoagulate the blood vessel structure nourishing the hair root without significant absorption in other non-pigmented tissues at or near the hair follicle.
High energy light bursts may be obtained from gas discharge lamps 5 such as Mercury, Xenon, Argon, etc. Flash durations may be controlled by conventional pulsed power supplies 6, initiated at any desired instant by means of a switch 7, for example. Various spectral qualities can be obtained from available gas discharge lamps by employing different gases, pressures, optical filters, etc.
Typically, lamp 5 is a high peak power pulsed Xenon arc source producing peak powers in excess of 30 kilowatts when an operator closes switch 7, which might be a foot pedal trigger. The lamp produces a flash of intense visible radiation in less than a few milliseconds. Because this duration is less than the Chronaxie" for pain fibers, there is no sensation created by the energy in the body.
The flash pulse may be obtained from a bank of storage capacitors which delivers up to 660 joules in less than a three millisecond period. These capacitors are recharged within one second, and ready to deliver the next pulse.
A spherical mirror or lens 8 of high optical speed (f/0.5) collimates the light in rays 9. The collimated light is focused by a lens system 10 as shown by rays 11 to be concentrated at the end of a flexible conduit 12 which, for example, is a single glass fiber 100 microns in diameter. A flexible steel sheath 14 or other surgical tubing may encompass the light conduit 12 to confine light and protect the fiber 12. Preferably, the steel sheath 14 is covered with polyvinyl chloride.
The ends of the fiber are carefully ground and polished to permit the maximum light energy to escape. Overall the probes may be about 48 to 60 inches long with transmission losses that should approximate no greater than about 60 percent.
At the terminal or distal tip end 15 of fiber 12, where the light energy escapes, is a stainless steel hollow needle or stainless steel tubing 17 of typically 125 to 200 microns in diameter and about 2 mm. to 4 mm. in length held in a holder 16 similar to a hypodermic syringe. This structure serves to introduce the fiber near the root 18 of hair 19 under the skin surface 20. The needle 17 serves the function of preventing escape of light energy at any other point than the terminal end 15 of fiber 12 to thereby concentrate all the energy at a known position in the vicinity of hair follicle 21. to thereby depilate the hair without damage to other surrounding tissue. The drawing shows various features out of size proportion in order to show the details and the particular mode of depilation provided by this invention.
In order to further selectively protect the adjoining tissue about the hair root 18, the light energy from are lamp 5 may be further selected or confined to a particular waveband such as that provided by a double neodymium selective output laser, by introduction of selective filter 22. Thus, for example, light energy entering fiber 12 may be confined to green light of approximately 530 millimicron wavelength. This wavelength provides for specific absorption of the bulk of the photo energy by hemoglobin, resulting in photocoagulation of the blood vessel structure 23 in the vicinity of follicle 21 that nourishes the hair root with minimal absorption in other non-pigmented tissues at or near the hair follicle. Ultraviolet energy at about 280 millimicrons wavelength could also be used for maximum absorption in the protein materials at the hair root 18.
It has been found that the amount of photo energy to be supplied by the arc lamp source for effective use in hair depilation without sensing pain or incurring significant damage to surrounding tissue is of the order of 20 to I00 joules per square centimeter at the proximal end ofa micron diameter fiber which would give about 5 to 30 joules per square centimeter at the distal end of the fiber. Several successive flashes one second apart may be administered. This energy is a function of the light intensity and pulse duration, both of which may be varied to provide the optimum energy output at the follicle, but the time duration is preferably less than 3 milliseconds.
In laboratory experiments with humans, in photoepilation, it has been shown that 68 percent of the hairs release well under such conditions, with hair roots often showing a matchstick" effect of burnt or shrivelled appearance. Biopsies showed no more than slight irritation in any case after such epilation and there were no reports of pain at the flash or afterwards. The surrounding tissue was not damaged.
Accordingly, the photocoagulation means and method afforded by this embodiment results in a simple practical improvement over prior art depilation techniques.
Another embodiment comprises a linear flash lamp having an arc length greater than 10 millimeters, preferably in the order of 40 millimeters. it provides for direct takeoff by a fiber optic cable located close to the exterior of the lamp, the takeoff being from approximately the center of the arc. Energy control may be ob tained by regulating the distance of the cable end from the arc.
This embodiment does not require an extensive optical system as described in the first embodiment and thus it has been found that this type of lamp has a relatively long lifetime and gives a higher energy output at a not much greater energy input.
This embodiment (see FIG. 2) comprises a linear flash lamp having two electrodes 111 and 112 located a substantial distance apart in an envelope 113. The electrodes 111 and 112 should be at least 10 millimeters apart; for example, one such lamp on the market has an arc length of 39 millimeters. The distance should be contrasted with the short arcs heretofore used, where the arc length was in the nature of 1 mil limeter. The envelope 113 is also preferably very slender, typically cylindrical, and in the nature of a capillary tube. A typical diameter for such a lamp 110 is 5 millimeters, as contrasted with the 25 millimeter diameter of typical short are lamps a feature which made it impossible to get very close to the are or to get very good control of the location.
A pulsed power supply 114 is connected to the linear flash lamp, any suitable pulsing means being used. The lamp 110 may be held in place by suitable supports 115 secured to a base 116.
In conjunction with the linear flash lamp 110, this embodiment employs an optical fiber type of cable 12th, which may comprise a single glass fiber 121 typitheir lengths approximating no more than 50 per cent.
Near the outlet end of needle 125, a handle 126 is provided for use of the operator. The input end 124 of the fiber optic cable l2l lies closely adjacent the flash lamp 110.
A constant energy input of about 300 joules is a typical amount with the linear flash lamp 310, and this contrasts with the somewhat lower 60 to 200 joules, a variable amount, used in a short-arc lamp of this type.
Optics such as lenses are not required in this device, and it is noted that the energy output is greater than 0.6 millijoules as compared with an output less than 0.1 millijoule in a short are having an input of up to 200 joules. Thus, a much greater efiiciency and energy output are obtained.
in use for photoepilation, the needle 125 is inserted individually into each hair follicle, as shown in FIG. 3, operating on the principle of selective damage to hair papilla and blood supply, so that it does not affect the surrounding cells. The device is lightweight and portable, and no realignment is required between uses. It may, for example, have a 5-foot cable and the probe may be 5 or 7 mils in diameter. The harmless (to all but the hair papilla and their blood supply) high intensity light enables longer treatment sessions, and treatment of special problem areas. The selective absorption prevents scarring, and there are no hot probes to cause discomfort, so that inflammation and swelling are minimized.
It should be noted that an advantage of the I photoepilation technique over the thermolysis technique is the distance the needle must penetrate into the skin into the hair follicle in order to destroy it. Using the photoepilation technique the needle need only penetrate the skin into the follicle a small distance, approximately one-sixteenth inch, whereas the use of the thermolysis technique requires the placement of the needle down near the root of the follicle in order to properly treat the hair. Therefore, the light transmitting means in photoepilation need only be inserted a small distance into the follicle to destroy the hair. Thus there is less chance of accidentally damaging the surrounding tissue along with a further reduction in pain utilizing the photoepilation technique.
in a modified form of this embodiment, the apparance is exactly the same except at the output end, where in place of a needle there is merely a blunt end. In this instance, the fiber optics cable is somewhat larger, for example, about one-eighth inch in diameter and contains several thousand individual smalldiameter fibers. Otherwise the structure is unchanged. As a result, over 20 millijoules of energy can be trum and is capable of coagulating retinal blood vessels.
10 What is claimed is;
1. The method of epilation, comprising in combination the steps of a. Producing a pulse of high energy light by electronilight radiation,
b. Positioning a flexible thin single fiber conduit formed from fiberoptic material capable of transmitting said light energy from the gaseous media so that the input end of said conduit collects intense light from said high energy light and the output end of said conduit is positioned in a hair follicle, and
c. Transmitting said pulse of light energy in said conduit with enough energy passed through said conduit to said hair follicle to cause photocoagulation of body tissue in the vicinity of said region at an intensity killing the hair.
2. The method defined in claim 1, including the additional step of limiting the frequency of the light energy to a predetermined bandwidth.
3. The method defined in claim 2, including the additional step of producing light of a wavelength in the green region of the light spectrum that is specifically absorbed by hemoglobin, thereby selectively photocoagulating the blood vessel structure about the region with the light energy becoming significantly absorbed in other nonpigmented tissues near the region. 7
v 4. The method defined in claim 2, including the additional step of limiting the light energy supplied to the follicle to less than 3 millijoules.
' 5. The method defined in claim 1 including the step of limiting the light pulse to less than 3 milliseconds in duration.
6. The method as defined in claim 1 including the step of successively flashing said light energy a plurality of times at approximately 1 second intervals.
7. The method defined in claim 1, including locating the output end of said conduit only partly within said hair follicle.
8. Depilation apparatus for depilationby photocoagulation in a limited region about a hair root comprising in combination,
a. A high energy gaseous medium light source including electrical means for producing therein short intense pulses of light,
b. A single fiber conduit formed from fiberoptic material positioned to transmit light energy from said source to said region with a polished end for inserting into the follicle for releasing the transmitted light energy in said body tissue, and
c. Means for locating said polished output end of said conduit in the follicle.
9. Apparatus as claimed in claim 8, wherein said locating means comprises a needle having a cavity therein for receiving a portion, of said conduit at the terminating end. .5"
cally triggering a gaseous media to produce visible 10. Apparatus as defined in claim 8 wherein said light energy producing means further comprises a spherical lens of high optical speed which eollimates said light in rays.
11. Apparatus as defined in claim 10, including a lens system for focusing said collimated light to be concentrated at the end of said flexible conduit.
12. Apparatus as defined in claim 8, further comprising means for producing light energy from said pulse to provide light in a specific range of the spectrum.
l3. Apparatus as defined in claim 12, wherein said light as provided in the green range of the spectrum.
14. Apparatus as claimed in claim 12, wherein said light is provided having a wave length of approximately 530 nanometers.
15. Apparatus as claimed in claim 8, in which means provides light energy at the end of said conduit to reach said region with approximately one-half to 3 millijoules.
l6. Apparatus as claimed in claim 8 limited to produce light flashes ofless than 3 milliseconds in duratron.
17. Apparatus as claimed in claim 16 adapted to produce a series of successive flashes at approximately 1 second intervals.
18. Photoepilation, comprising producing pulses primarily of blue-green high-energy light in a gaseous medium across an are longer than the millimeters,
transmitting said light through a single fiber optic filament of about 5 to 7 mills thickness directly from an input end adjacent said are to a needle end,
inserting said needle end into a hair follicle, and
transmitting into said follicle the pulses for a time sufficient to coagulate the tissue therein responsible for hair growth.
19. Photoepilation according to claim 18 wherein the energy input is approximately 300 joules and the output is greater than 0.6 millijoules.
20. Photoepilation according to claim 18, wherein in said inserting step said needle is inserted only partly into said hair follicle.
|Cited Patent||Filing date||Publication date||Applicant||Title|
|US3327712 *||15 Sep 1961||27 Jun 1967||Ira H Kaufman||Photocoagulation type fiber optical surgical device|
|US3471215 *||16 Jul 1965||7 Oct 1969||American Optical Corp||Fiber laser device provided with long flexible energy-directing probe-like structure|
|US3538919 *||7 Apr 1967||10 Nov 1970||Gregory System Inc||Depilation by means of laser energy|
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US3834391 *||19 Jan 1973||10 Sep 1974||Block Carol Ltd||Method and apparatus for photoepilation|
|US4122853 *||14 Mar 1977||31 Oct 1978||Spectra-Med||Infrared laser photocautery device|
|US4185633 *||7 Sep 1976||29 Jan 1980||Malyshev Boris N||Method of surgical treatment using laser emission and apparatus for realizing same|
|US4299229 *||5 Dec 1979||10 Nov 1981||Cavitron Corporation||Method of observing the aim or effect of a laser beam on a target|
|US4311138 *||10 Mar 1980||19 Jan 1982||Sugarman Edward D||Illuminated hypodermic needle|
|US4388924 *||21 May 1981||21 Jun 1983||Weissman Howard R||Method for laser depilation|
|US4537193 *||28 Oct 1982||27 Aug 1985||Hgm, Inc.||Laser endocoagulator apparatus|
|US4567882 *||10 Dec 1984||4 Feb 1986||Vanderbilt University||Method for locating the illuminated tip of an endotracheal tube|
|US4608978 *||26 Sep 1983||2 Sep 1986||Carol Block Limited||Method and apparatus for photoepiltion|
|US4617926 *||30 Jan 1984||21 Oct 1986||Sutton A Gunilla||Depilation device and method|
|US4658817 *||1 Apr 1985||21 Apr 1987||Children's Hospital Medical Center||Method and apparatus for transmyocardial revascularization using a laser|
|US4784132 *||5 Sep 1985||15 Nov 1988||Fox Kenneth R||Method of and apparatus for laser treatment of body lumens|
|US4800876 *||25 Mar 1983||31 Jan 1989||Fox Kenneth R||Method of and apparatus for laser treatment of body lumens|
|US4819669 *||1 Apr 1986||11 Apr 1989||Politzer Eugene J||Method and apparatus for shaving the beard|
|US4848336 *||29 Jul 1988||18 Jul 1989||Fox Kenneth R||Apparatus for laser treatment of body lumens|
|US4873446 *||6 Jul 1988||10 Oct 1989||Albert Kreitmair||Device for irradiating denture parts|
|US5041108 *||9 Jun 1989||20 Aug 1991||Pillco Limited Partnership||Method for laser treatment of body lumens|
|US5182857 *||29 Oct 1990||2 Feb 1993||U.S. Philips Corp.||Shaving apparatus|
|US5207673 *||6 Dec 1991||4 May 1993||Premier Laser Systems, Inc.||Fiber optic apparatus for use with medical lasers|
|US5226907 *||29 Oct 1991||13 Jul 1993||Tankovich Nikolai I||Hair removal device and method|
|US5280788 *||26 Feb 1991||25 Jan 1994||Massachusetts Institute Of Technology||Devices and methods for optical diagnosis of tissue|
|US5300066 *||23 Jun 1992||5 Apr 1994||Coherent, Inc.||Contact laser delivery system|
|US5320618 *||9 Apr 1991||14 Jun 1994||Morgan Gustafsson||Device for treatment of undesired skin disfigurements|
|US5344418 *||12 Dec 1991||6 Sep 1994||Shahriar Ghaffari||Optical system for treatment of vascular lesions|
|US5344434 *||21 Dec 1992||6 Sep 1994||Technion Research & Development Foundation, Ltd.||Apparatus for the photodynamic therapy treatment|
|US5595568 *||1 Feb 1995||21 Jan 1997||The General Hospital Corporation||Permanent hair removal using optical pulses|
|US5606798 *||10 Mar 1992||4 Mar 1997||Kelman; Elliot||Hair cutting apparatus|
|US5630811 *||25 Mar 1996||20 May 1997||Miller; Iain D.||Method and apparatus for hair removal|
|US5632741 *||20 Jan 1995||27 May 1997||Lucid Technologies, Inc.||Epilation system|
|US5647866 *||14 May 1996||15 Jul 1997||Zaias; Nardo||Method of hair depilation|
|US5653706 *||27 Feb 1995||5 Aug 1997||Lucid Technologies Inc.||Dermatological laser treatment system with electronic visualization of the area being treated|
|US5658323 *||23 Oct 1995||19 Aug 1997||Miller; Iain D.||Method and apparatus for dermatology treatment|
|US5683380 *||29 Mar 1995||4 Nov 1997||Esc Medical Systems Ltd.||Method and apparatus for depilation using pulsed electromagnetic radiation|
|US5713845 *||12 Jun 1995||3 Feb 1998||Thermolase Corporation||Laser assisted drug delivery|
|US5735844 *||30 Jan 1996||7 Apr 1998||The General Hospital Corporation||Hair removal using optical pulses|
|US5752948 *||19 Jun 1995||19 May 1998||Thermolase Corporation||Hair removal method|
|US5752949 *||13 May 1996||19 May 1998||Thermolase Corporation||Hair removal method|
|US5755751 *||7 Jun 1995||26 May 1998||Esc Medical Systems Ltd.||Method and apparatus for therapeutic electromagnetic treatment|
|US5769840 *||22 May 1995||23 Jun 1998||Schirmer; Kurt E.||Microsurgery using alternating disruptive and thermal laser beam pulses|
|US5769844 *||7 Jun 1995||23 Jun 1998||Ghaffari; Shahriar||Conventional light-pumped high power system for medical applications|
|US5785704 *||29 Jul 1996||28 Jul 1998||Mrc Systems Gmbh||Method for performing stereotactic laser surgery|
|US5817089 *||12 Jun 1995||6 Oct 1998||Thermolase Corporation||Skin treatment process using laser|
|US5836938 *||18 Dec 1996||17 Nov 1998||Slatkine; Michael||Hair removal with a laser system and waveguide for radial transmission of laser energy|
|US5843072 *||7 Nov 1996||1 Dec 1998||Cynosure, Inc.||Method for treatment of unwanted veins and device therefor|
|US5853407 *||18 Apr 1997||29 Dec 1998||Luxar Corporation||Method and apparatus for hair removal|
|US5860967 *||21 Jul 1993||19 Jan 1999||Lucid, Inc.||Dermatological laser treatment system with electronic visualization of the area being treated|
|US5871479 *||7 Nov 1996||16 Feb 1999||Cynosure, Inc.||Alexandrite laser system for hair removal and method therefor|
|US5871480 *||25 Jul 1997||16 Feb 1999||Thermolase Corporation||Hair removal using photosensitizer and laser|
|US5876397 *||29 Sep 1992||2 Mar 1999||Boston Scientific Corporation||Reduction of an arteriosclerotic lesion by selective absorption of electromagnetic energy in a component thereof|
|US5879346 *||17 Dec 1996||9 Mar 1999||Esc Medical Systems, Ltd.||Hair removal by selective photothermolysis with an alexandrite laser|
|US5879376 *||20 May 1996||9 Mar 1999||Luxar Corporation||Method and apparatus for dermatology treatment|
|US5885273 *||9 Feb 1996||23 Mar 1999||Esc Medical Systems, Ltd.||Method for depilation using pulsed electromagnetic radiation|
|US5925035 *||1 Aug 1996||20 Jul 1999||Thermolase Corporation||Hair removal method|
|US5993440 *||20 Feb 1998||30 Nov 1999||Ghassemi; Faramarz Frank||Non-invasive laser cutting device and method|
|US6027495 *||20 Mar 1997||22 Feb 2000||Esc Medical Systems Ltd.||Method and apparatus for dermatology treatment|
|US6036684 *||6 Oct 1998||14 Mar 2000||Thermolase Corporation||Skin treatment process using laser|
|US6045548 *||22 Sep 1998||4 Apr 2000||Cynosure, Inc.||Alexandrite laser system for hair removal and method therefor|
|US6050990 *||4 Dec 1997||18 Apr 2000||Thermolase Corporation||Methods and devices for inhibiting hair growth and related skin treatments|
|US6063074 *||31 Dec 1996||16 May 2000||Thermolase Corporation||Hair removal using a contaminant matched to a laser|
|US6104959 *||31 Jul 1997||15 Aug 2000||Microwave Medical Corp.||Method and apparatus for treating subcutaneous histological features|
|US6152917 *||18 Dec 1997||28 Nov 2000||Thermolase Corporation||Hair removal device|
|US6162211 *||4 Dec 1997||19 Dec 2000||Thermolase Corporation||Skin enhancement using laser light|
|US6168590||11 Aug 1998||2 Jan 2001||Y-Beam Technologies, Inc.||Method for permanent hair removal|
|US6228075||15 Mar 1999||8 May 2001||Cynosure, Inc.||Alexandrite laser system for hair removal|
|US6267771||27 Feb 1996||31 Jul 2001||Thermotrex Corporation||Hair removal device and method|
|US6273883||8 Apr 1997||14 Aug 2001||Cynosure, Inc.||Alexandrite laser system for treatment of dermatological specimens|
|US6273884||13 May 1998||14 Aug 2001||Palomar Medical Technologies, Inc.||Method and apparatus for dermatology treatment|
|US6383176||15 Mar 1999||7 May 2002||Altus Medical, Inc.||Hair removal device and method|
|US6461348||27 Aug 1999||8 Oct 2002||Howard S. Bertan||Photo-thermal epilation apparatus with advanced energy storage arrangement|
|US6485484||10 Sep 1999||26 Nov 2002||Altus Medical, Inc.||Hair removal device|
|US6508813||12 Mar 1999||21 Jan 2003||Palomar Medical Technologies, Inc.||System for electromagnetic radiation dermatology and head for use therewith|
|US6511475||9 Aug 2000||28 Jan 2003||The General Hospital Corporation||Heads for dermatology treatment|
|US6514243||17 Feb 2000||4 Feb 2003||Lumenis Ltd.||Method and apparatus for electromagnetic treatment of the skin, including hair depilation|
|US6517532||28 Dec 1999||11 Feb 2003||Palomar Medical Technologies, Inc.||Light energy delivery head|
|US6558411 *||11 May 1998||6 May 2003||Photocure Asa||Device for illuminating a defined area|
|US6569155||13 Mar 2000||27 May 2003||Altus Medical, Inc.||Radiation delivery module and dermal tissue treatment method|
|US6575964||4 Feb 2000||10 Jun 2003||Sciton, Inc.||Selective aperture for laser delivery system for providing incision, tissue ablation and coagulation|
|US6605080||26 Mar 1999||12 Aug 2003||The General Hospital Corporation||Method and apparatus for the selective targeting of lipid-rich tissues|
|US6610052||9 Aug 2001||26 Aug 2003||Cynosure, Inc.||Laser system and method for treatment of biologic targets|
|US6613042 *||30 Jun 2000||2 Sep 2003||Nikolai Tankovich||Rainbow laser|
|US6632218||21 Oct 1999||14 Oct 2003||Cynosure, Inc.||Alexandrite laser system for hair removal and method therefor|
|US6653618||30 Apr 2001||25 Nov 2003||Palomar Medical Technologies, Inc.||Contact detecting method and apparatus for an optical radiation handpiece|
|US6663620||18 Jan 2002||16 Dec 2003||Palomar Medical Technologies, Inc.||Light energy delivery head|
|US6719753||22 Jun 2002||13 Apr 2004||Howard Stephen Bertan||Means and method for energizing a flash lamp|
|US6723090||2 Jul 2002||20 Apr 2004||Palomar Medical Technologies, Inc.||Fiber laser device for medical/cosmetic procedures|
|US6743221||12 Mar 2002||1 Jun 2004||James L. Hobart||Laser system and method for treatment of biological tissues|
|US6770069||21 Jun 2002||3 Aug 2004||Sciton, Inc.||Laser applicator|
|US6878144||17 Sep 2002||12 Apr 2005||Palomar Medical Technologies, Inc.||System for electromagnetic radiation dermatology and head for use therewith|
|US6916315||7 Oct 2002||12 Jul 2005||Kenneth Lawrence Short||Methods of operating a photo-thermal epilation apparatus|
|US6974451||16 Dec 2003||13 Dec 2005||Palomar Medical Technologies, Inc.||Light energy delivery head|
|US6976985||17 Apr 2003||20 Dec 2005||Palomar Medical Technologies, Inc.||Light energy delivery head|
|US6991644||5 Dec 2003||31 Jan 2006||Cutera, Inc.||Method and system for controlled spatially-selective epidermal pigmentation phototherapy with UVA LEDs|
|US6997923||27 Dec 2001||14 Feb 2006||Palomar Medical Technologies, Inc.||Method and apparatus for EMR treatment|
|US7029469||4 Feb 2003||18 Apr 2006||Palomar Medical Technologies, Inc.||Method and apparatus for laser removal of hair|
|US7041094||16 Oct 2003||9 May 2006||Cutera, Inc.||Tissue treatment device and method|
|US7044959||12 Mar 2003||16 May 2006||Palomar Medical Technologies, Inc.||Method and apparatus for hair growth management|
|US7060061||12 Aug 2003||13 Jun 2006||Palomar Medical Technologies, Inc.||Method and apparatus for the selective targeting of lipid-rich tissues|
|US7077840||21 Oct 2002||18 Jul 2006||Palomar Medical Technologies, Inc.||Heads for dermatology treatment|
|US7108689||19 Sep 2002||19 Sep 2006||Lumenis Ltd||Method and apparatus for electromagnetic treatment of the skin, including hair depilation|
|US7118562||31 Jul 2003||10 Oct 2006||Cynosure, Inc.||Laser system and method for treatment of biologic targets|
|US7118563||19 Feb 2004||10 Oct 2006||Spectragenics, Inc.||Self-contained, diode-laser-based dermatologic treatment apparatus|
|US7135033||23 Oct 2003||14 Nov 2006||Palomar Medical Technologies, Inc.||Phototreatment device for use with coolants and topical substances|
|US7147654 *||24 Jan 2003||12 Dec 2006||Laserscope||Treatment Site Cooling System of Skin Disorders|
|US7204832||23 May 2002||17 Apr 2007||Pálomar Medical Technologies, Inc.||Cooling system for a photo cosmetic device|
|US7220254||31 Dec 2004||22 May 2007||Palomar Medical Technologies, Inc.||Dermatological treatment with visualization|
|US7220256||23 Sep 2003||22 May 2007||Hobart James L||Laser system and method for treatment of biological tissues|
|US7250045||19 Feb 2004||31 Jul 2007||Spectragenics, Inc.||Self-contained, eye-safe hair-regrowth-inhibition apparatus and method|
|US7274155||28 Mar 2005||25 Sep 2007||Palomar Medical Technologies, Inc.||Flash lamp drive circuit|
|US7276058||19 Jun 2003||2 Oct 2007||Palomar Medical Technologies, Inc.||Method and apparatus for treatment of cutaneous and subcutaneous conditions|
|US7291140||5 Mar 2004||6 Nov 2007||Cutera, Inc.||System and method for low average power dermatologic light treatment device|
|US7309335||31 Dec 2004||18 Dec 2007||Palomar Medical Technologies, Inc.||Dermatological treatment with visualization|
|US7326199||27 Feb 2004||5 Feb 2008||Cutera, Inc.||System and method for flexible architecture for dermatologic treatments utilizing multiple light sources|
|US7351252||19 Jun 2003||1 Apr 2008||Palomar Medical Technologies, Inc.||Method and apparatus for photothermal treatment of tissue at depth|
|US7354433 *||26 Feb 2004||8 Apr 2008||Advanced Light Technologies, Llc||Disinfection, destruction of neoplastic growth, and sterilization by differential absorption of electromagnetic energy|
|US7413567||25 Feb 2004||19 Aug 2008||Spectragenics, Inc.||Optical sensor and method for identifying the presence of skin|
|US7431719||30 Mar 2005||7 Oct 2008||Palomar Medical Technologies, Inc.||System for electromagnetic radiation dermatology and head for use therewith|
|US7452356||19 Feb 2004||18 Nov 2008||Tria Beauty, Inc.||Eye-safe dermatologic treatment apparatus|
|US7452358||25 Mar 2003||18 Nov 2008||Thermage, Inc.||RF electrode assembly for handpiece|
|US7465307||2 Nov 2005||16 Dec 2008||Cutera, Inc.||Tissue treatment system|
|US7473251||31 Mar 2003||6 Jan 2009||Thermage, Inc.||Methods for creating tissue effect utilizing electromagnetic energy and a reverse thermal gradient|
|US7481809||20 Jun 2005||27 Jan 2009||Thermage, Inc.||Handpiece with RF electrode and non-volatile memory|
|US7524328||14 Mar 2003||28 Apr 2009||Cutera, Inc.||Radiation delivery module and dermal tissue treatment method|
|US7531967||24 Sep 2007||12 May 2009||Palomar Medical Technologies, Inc.||Flashlamp drive circuit|
|US7540869||27 Dec 2002||2 Jun 2009||Palomar Medical Technologies, Inc.||Method and apparatus for improved vascular related treatment|
|US7618414||3 Feb 2006||17 Nov 2009||Cutera, Inc.||Tissue treatment system|
|US7722600||23 Nov 2004||25 May 2010||Cutera, Inc.||System and method for heating skin using light to provide tissue treatment|
|US7758621||19 May 2006||20 Jul 2010||Palomar Medical Technologies, Inc.||Method and apparatus for therapeutic EMR treatment on the skin|
|US7763016||12 Dec 2005||27 Jul 2010||Palomar Medical Technologies, Inc.||Light energy delivery head|
|US7780652||10 Dec 2007||24 Aug 2010||Cutera, Inc.||System and method for flexible architecture for dermatologic treatments utilizing multiple light sources|
|US7837675||31 May 2005||23 Nov 2010||Shaser, Inc.||Method and device for skin treatment with replaceable photosensitive window|
|US7891362||22 Dec 2006||22 Feb 2011||Candela Corporation||Methods for treating pigmentary and vascular abnormalities in a dermal region|
|US7935107||19 May 2010||3 May 2011||Palomar Medical Technologies, Inc.||Heads for dermatology treatment|
|US7942915||13 Nov 2006||17 May 2011||Palomar Medical Technologies, Inc.||Phototreatment device for use with coolants|
|US7942916||1 Dec 2006||17 May 2011||Palomar Medical Technologies, Inc.||Phototreatment device for use with coolants and topical substances|
|US7981111||25 Feb 2004||19 Jul 2011||Tria Beauty, Inc.||Method and apparatus for the treatment of benign pigmented lesions|
|US8002768||21 Jul 2010||23 Aug 2011||Palomar Medical Technologies, Inc.||Light energy delivery head|
|US8073550||14 Aug 2000||6 Dec 2011||Miramar Labs, Inc.||Method and apparatus for treating subcutaneous histological features|
|US8109924||24 Mar 2011||7 Feb 2012||Palomar Medical Technologies, Inc.||Heads for dermatology treatment|
|US8182473||22 Nov 2006||22 May 2012||Palomar Medical Technologies||Cooling system for a photocosmetic device|
|US8226696||16 Jun 1998||24 Jul 2012||Ellipse A/S||Light pulse generating apparatus and cosmetic and therapeutic phototreatment|
|US8246611||14 Jun 2007||21 Aug 2012||Candela Corporation||Treatment of skin by spatial modulation of thermal heating|
|US8246613||4 Oct 2010||21 Aug 2012||Shaser, Inc.||Method and apparatus of treating tissue|
|US8268332||1 Apr 2005||18 Sep 2012||The General Hospital Corporation||Method for dermatological treatment using chromophores|
|US8277495||16 Sep 2005||2 Oct 2012||Candela Corporation||Method and apparatus for treating a diseased nail|
|US8328794||22 Sep 2008||11 Dec 2012||Palomar Medical Technologies, Inc.||System for electromagnetic radiation dermatology and head for use therewith|
|US8328796||11 Jul 2011||11 Dec 2012||Palomar Medical Technologies, Inc.||Light energy delivery head|
|US8346347||15 Sep 2006||1 Jan 2013||Palomar Medical Technologies, Inc.||Skin optical characterization device|
|US8367959||24 Oct 2011||5 Feb 2013||Miramar Labs, Inc.||Method and apparatus for treating subcutaneous histological features|
|US8401668||27 Sep 2011||19 Mar 2013||Miramar Labs, Inc.||Systems and methods for creating an effect using microwave energy to specified tissue|
|US8406894||27 Sep 2011||26 Mar 2013||Miramar Labs, Inc.||Systems, apparatus, methods and procedures for the noninvasive treatment of tissue using microwave energy|
|US8460280||28 Apr 2006||11 Jun 2013||Cutera, Inc.||Localized flashlamp skin treatments|
|US8469951||15 Nov 2012||25 Jun 2013||Miramar Labs, Inc.||Applicator and tissue interface module for dermatological device|
|US8535302||15 Nov 2012||17 Sep 2013||Miramar Labs, Inc.||Applicator and tissue interface module for dermatological device|
|US8551104||10 Oct 2006||8 Oct 2013||Tria Beauty, Inc.||Self-contained, diode-laser-based dermatologic treatment apparatus|
|US8685017||6 Jun 2007||1 Apr 2014||Thermage, Inc.||Method and kit for treatment of tissue|
|US8688228||12 Dec 2008||1 Apr 2014||Miramar Labs, Inc.||Systems, apparatus, methods and procedures for the noninvasive treatment of tissue using microwave energy|
|US8709003||8 Aug 2008||29 Apr 2014||Tria Beauty, Inc.||Capacitive sensing method and device for detecting skin|
|US8723121 *||27 Nov 2008||13 May 2014||The Flewelling Ford Family Trust||Identification system and method using highly collimated source of electromagnetic radiation|
|US8777935||18 Aug 2008||15 Jul 2014||Tria Beauty, Inc.||Optical sensor and method for identifying the presence of skin|
|US8790381||20 Feb 2008||29 Jul 2014||Photometics, Inc.||Disinfection, destruction of neoplastic growth, and sterilization by differential absorption of electromagnetic energy|
|US8825176||20 Feb 2013||2 Sep 2014||Miramar Labs, Inc.||Apparatus for the noninvasive treatment of tissue using microwave energy|
|US8853600||9 Nov 2012||7 Oct 2014||Miramar Labs, Inc.||Method and apparatus for treating subcutaneous histological features|
|US8870856||27 Feb 2004||28 Oct 2014||Cutera, Inc.||Method for heating skin using light to provide tissue treatment|
|US8915906||8 Aug 2005||23 Dec 2014||Cutera, Inc.||Method for treatment of post-partum abdominal skin redundancy or laxity|
|US8915948||15 Feb 2008||23 Dec 2014||Palomar Medical Technologies, Llc||Method and apparatus for photothermal treatment of tissue at depth|
|US9028469||28 Sep 2006||12 May 2015||Candela Corporation||Method of treating cellulite|
|US9028477||3 Sep 2013||12 May 2015||Miramar Labs, Inc.||Applicator and tissue interface module for dermatological device|
|US9028536||3 Aug 2009||12 May 2015||Cynosure, Inc.||Picosecond laser apparatus and methods for its operation and use|
|US9149331||18 Apr 2008||6 Oct 2015||Miramar Labs, Inc.||Methods and apparatus for reducing sweat production|
|US9216058||28 Aug 2014||22 Dec 2015||Miramar Labs, Inc.||Method and apparatus for treating subcutaneous histological features|
|US9241763||17 Apr 2009||26 Jan 2016||Miramar Labs, Inc.||Systems, apparatus, methods and procedures for the noninvasive treatment of tissue using microwave energy|
|US9314301||31 Jul 2012||19 Apr 2016||Miramar Labs, Inc.||Applicator and tissue interface module for dermatological device|
|US9427285||21 Apr 2008||30 Aug 2016||Miramar Labs, Inc.||Systems and methods for creating an effect using microwave energy to specified tissue|
|US9452013||17 Sep 2012||27 Sep 2016||The General Hospital Corporation||Apparatus for dermatological treatment using chromophores|
|US9486285||13 Aug 2012||8 Nov 2016||Candela Corporation||Treatment of skin by spatial modulation of thermal heating|
|US20020091377 *||25 Jan 2001||11 Jul 2002||Anderson R. Rox||Method and apparatus for medical treatment utilizing long duration electromagnetic radiation|
|US20020161357 *||27 Dec 2001||31 Oct 2002||Anderson R. Rox||Method and apparatus for EMR treatment|
|US20030065314 *||17 Sep 2002||3 Apr 2003||Palomar Medical Technologies, Inc.||System for electromagnetic radiation dermatology and head for use therewith|
|US20030069567 *||19 Sep 2002||10 Apr 2003||Shimon Eckhouse||Method and apparatus for electromagnetic treatment of the skin, including hair depilation|
|US20030144713 *||21 Jan 2003||31 Jul 2003||Cynosure, Inc.||Ultra-long flashlamp-excited pulse dye laser for therapy and method therefor|
|US20030195494 *||17 Apr 2003||16 Oct 2003||Altshuler Gregory B.||Light energy delivery head|
|US20030199859 *||21 May 2003||23 Oct 2003||Altshuler Gregory B.||Method and apparatus for the selective targeting of lipid-rich tissues|
|US20040015156 *||4 Feb 2003||22 Jan 2004||Vasily David B.||Method and apparatus for laser removal of hair|
|US20040034319 *||12 Mar 2003||19 Feb 2004||Palomar Medical Technologies, Inc.||Method and apparatus for hair growth management|
|US20040034341 *||12 Aug 2003||19 Feb 2004||Palomar Medical Technologies, Inc.||Method and apparatus for the selective targeting of lipid-rich tissues|
|US20040068255 *||7 Oct 2002||8 Apr 2004||Short Kenneth Lawrence||Methods of operating a photo-thermal epilation apparatus|
|US20040073079 *||19 Jun 2003||15 Apr 2004||Palomar Medical Technologies, Inc.||Method and apparatus for treatment of cutaneous and subcutaneous conditions|
|US20040082941 *||16 Oct 2003||29 Apr 2004||Connors Kevin P.||Tissue treatment device and method|
|US20040116984 *||5 Dec 2003||17 Jun 2004||Greg Spooner||Method and system for controlled spatially-selective epidermal pigmentation phototherapy with UVA LEDs|
|US20040143247 *||31 Oct 2003||22 Jul 2004||Anderson R. Rox||Method and apparatus for treating wrinkles in skin using radiation|
|US20040147986 *||24 Jan 2003||29 Jul 2004||Baumgardner Jonathan M.||Method and apparatus for treating skin disorders using a near black body flashlamp source|
|US20040162549 *||12 Nov 2003||19 Aug 2004||Palomar Medical Technologies, Inc.||Method and apparatus for performing optical dermatology|
|US20040176824 *||3 Mar 2004||9 Sep 2004||Weckwerth Mark V.||Method and apparatus for the repigmentation of human skin|
|US20040199227 *||10 Feb 2004||7 Oct 2004||Altshuler Gregory B.||Biostimulation of the oral cavity|
|US20040236267 *||26 Feb 2004||25 Nov 2004||Advanced Light Technology, Llc, A Corporation Of The State Of California||Disinfection, destruction of neoplastic growth, and sterilization by differential absorption of electromagnetic energy|
|US20050180140 *||7 May 2003||18 Aug 2005||George David S.||Intense pulsed light devices|
|US20050256515 *||8 Jun 2005||17 Nov 2005||Anderson R R||Method and apparatus for treating wrinkles in skin using radiation|
|US20060089687 *||14 Nov 2005||27 Apr 2006||Greg Spooner||System for controlled spatially-selective epidermal pigmentation phototherapy with UVA LEDs|
|US20060111760 *||28 Dec 2005||25 May 2006||Lajos Kemeny||Phototherapeutical method and system for the treatment of inflammatory and hyperproliferative disorders of the nasal mucosa|
|US20060122585 *||2 Nov 2005||8 Jun 2006||Acme Medical, Inc.||Tissue treatment system|
|US20070038206 *||1 May 2006||15 Feb 2007||Palomar Medical Technologies, Inc.||Photocosmetic device|
|US20070208326 *||3 Feb 2006||6 Sep 2007||Connors Kevin P||Tissue treatment system|
|US20070239142 *||1 May 2006||11 Oct 2007||Palomar Medical Technologies, Inc.||Photocosmetic device|
|US20070255265 *||28 Apr 2006||1 Nov 2007||Davenport Scott A||Localized flashlamp skin treatments|
|US20080208294 *||20 Feb 2008||28 Aug 2008||Advanced Light Technology, Llc|
|US20080228178 *||8 May 2006||18 Sep 2008||Koninklijke Philips Electronics N.V.||Hair-Growth Control Device and Hair-Growth Control Method|
|US20090125006 *||18 Aug 2008||14 May 2009||Spectragenics, Inc.||Optical Sensor and Method for Identifying the Presence of Skin|
|US20090137995 *||22 Sep 2008||28 May 2009||Palomar Medical Technologies, Inc.||System For Electromagnetic Radiation Dermatology And Head For Use Therewith|
|US20090149844 *||15 Sep 2008||11 Jun 2009||Palomar Medical Technologies, Inc.||Method And Apparatus For Improved Vascular Related Treatment|
|US20090248004 *||2 Mar 2009||1 Oct 2009||Palomar Medical Technologies, Inc.||Systems and methods for treatment of soft tissue|
|US20090254076 *||17 Mar 2009||8 Oct 2009||Palomar Medical Corporation||Method and apparatus for fractional deformation and treatment of tissue|
|US20090287137 *||15 Apr 2009||19 Nov 2009||Boston Scientific Corporation||Mucosal ablation|
|US20100145321 *||25 Nov 2009||10 Jun 2010||Palomar Medical Technologies, Inc.||Methods and products for producing lattices of emr-treated islets in tissues, and uses therefor|
|US20100286673 *||5 Apr 2010||11 Nov 2010||Palomar Medical Technologies, Inc.||Method and apparatus for treatment of tissue|
|US20100298744 *||30 Apr 2010||25 Nov 2010||Palomar Medical Technologies, Inc.||System and method of treating tissue with ultrasound energy|
|US20110036983 *||27 Nov 2008||17 Feb 2011||Ford Timothy D F||Identification system and method using highly collimated source of electromagnetic radiation|
|US20110040295 *||22 Sep 2009||17 Feb 2011||Photometics, Inc.||Cancer treatment using selective photo-apoptosis|
|US20110046523 *||23 Jul 2010||24 Feb 2011||Palomar Medical Technologies, Inc.||Method for improvement of cellulite appearance|
|US20110184334 *||29 Mar 2011||28 Jul 2011||Palomar Medical Technologies, Inc.||Phototreatment device for use with coolants and topical substances|
|US20110202115 *||29 Apr 2011||18 Aug 2011||Panasonic Electric Works Co., Ltd.||Hair growth modulation device|
|USRE36634 *||5 Sep 1996||28 Mar 2000||Ghaffari; Shahriar||Optical system for treatment of vascular lesions|
|EP0142671A1 *||20 Sep 1984||29 May 1985||Carol Block, Ltd.||Method and apparatus for photoepilation|
|EP0565331A2||5 Apr 1993||13 Oct 1993||ESC Medical Systems Ltd.||Therapeutic electromagnetic treatment|
|EP0565331B1 *||5 Apr 1993||24 Jan 2001||ESC Medical Systems Ltd.||Device for therapeutic electromagnetic treatment|
|EP0736308A3 *||20 Mar 1996||24 Jun 1998||ESC Medical Systems Ltd.||Method and apparatus for depilation using pulsed electromagnetic radiation|
|EP0788814A2||7 Feb 1997||13 Aug 1997||ESC Medical Systems Ltd.||Depilation using pulsed electromagnetic radiaton|
|EP0788814A3 *||7 Feb 1997||17 Mar 1999||ESC Medical Systems Ltd.||Depilation using pulsed electromagnetic radiaton|
|EP1078604A2 *||5 Apr 1993||28 Feb 2001||ESC Medical Systems Ltd.||Device for therapeutic electromagnetic treatment|
|EP1078604A3 *||5 Apr 1993||8 Aug 2001||ESC Medical Systems Ltd.||Device for therapeutic electromagnetic treatment|
|EP1078605A3 *||5 Apr 1993||8 Aug 2001||ESC Medical Systems Ltd.||Device for therapeutic electromagnetic treatment|
|EP1230900B1 *||31 Jan 1996||18 Aug 2004||The General Hospital Corporation||Hair removal apparatus using optical pulses|
|WO1986005676A1||1 Apr 1986||9 Oct 1986||Politzer Eugene Jim||Method and apparatus for shaving the beard|
|WO1993008715A1 *||28 Oct 1992||13 May 1993||Thermotrex Corporation||Hair removal device and method|
|WO1997035526A1||11 Feb 1997||2 Oct 1997||Miller Iain D||Method and apparatus for hair removal|
|WO1997037602A2 *||4 Apr 1997||16 Oct 1997||Cynosure, Inc.||Alexandrite laser system for treatment of dermatological specimens|
|WO1997037602A3 *||4 Apr 1997||24 Dec 1997||George Cho||Alexandrite laser system for treatment of dermatological specimens|
|WO1998025673A1 *||10 Dec 1996||18 Jun 1998||Lucid Technologies, Inc.||Epilation system|
|WO1999032193A1||23 Dec 1998||1 Jul 1999||Esc Medical Systems Ltd.||Apparatus for therapeutic electromagnetic treatment|
|WO2006120635A2||8 May 2006||16 Nov 2006||Koninklijke Philips Electronics N.V.||Hair-growth control device and hair-growth control method|
|WO2006120635A3 *||8 May 2006||15 Feb 2007||Koninkl Philips Electronics Nv||Hair-growth control device and hair-growth control method|
|U.S. Classification||606/9, 606/3, 606/15, 606/11|
|International Classification||A61B18/18, A45D26/00, A61B18/20, A61N5/06|
|Cooperative Classification||A61B18/203, A45D26/00, A61B2018/00452, A61B2018/00476, A61B2018/1807, A61N2005/0662|
|European Classification||A61B18/20H, A45D26/00|