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公开(公告)号：US10413361B2
公开(公告)日：2019-09-17
申请号：US15488571
申请日：2017-04-17
申请人： Candela Corporation
发明人： Jayant Bhawalkar , Kevin Schomacker
摘要： A device and a method for fractional skin treatment. The device employs two diffractive optical elements. One of the diffractive optical elements provides two coaxial laser beams and another diffractive optical element splits the two coaxial laser beams into a plurality of beamlets. A lens arranged to receive the plurality of the laser beams and to focus them in a skin treatment plane. The lens forms an image where each of the beamlets is imaged as a spot with a high intensity central area and a lower intensity area surrounding the central area.
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公开(公告)号：US20210085393A1
公开(公告)日：2021-03-25
申请号：US17117195
申请日：2020-12-10
申请人： Candela Corporation
摘要： Smoke evacuation system for removal of aerosolized chemical compounds and biological fine particles produced during laser treatment of tissue. The rapid smoke evacuation is achieved by coupling a low capacity vacuum pump to a vacuum valve and a vacuum reservoir to create very high flow rate for very short durations. The opening time of the valve could at least partially overlap the laser pulse duration.
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公开(公告)号：US11911100B2
公开(公告)日：2024-02-27
申请号：US17117195
申请日：2020-12-10
申请人： Candela Corporation
CPC分类号： A61B18/203 , A61M1/743 , A61M1/80 , A61N5/0616 , B01D46/0047 , A61B2018/00452 , A61B2018/00577 , A61B2018/20351 , A61B2218/008 , B01D2279/00
摘要： Smoke evacuation system for removal of aerosolized chemical compounds and biological fine particles produced during laser treatment of tissue. The rapid smoke evacuation is achieved by coupling a low capacity vacuum pump to a vacuum valve and a vacuum reservoir to create very high flow rate for very short durations. The opening time of the valve could at least partially overlap the laser pulse duration.
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公开(公告)号：US10241345B2
公开(公告)日：2019-03-26
申请号：US15678284
申请日：2017-08-16
申请人： Candela Corporation
发明人： Xiaoming Shang , Jayant Bhawalkar
摘要： Disclosed is an apparatus and a method to preserve linearly polarized laser beam when it passes through a freely twisting beam delivery system such as an articulated arm. The polarization of the output beam from the delivery system will be stable and the same as the polarization of the input beam to the delivery system, and can be used to pump anisotropic laser crystals as well as nonlinear optical crystals.
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公开(公告)号：US20180074338A1
公开(公告)日：2018-03-15
申请号：US15678284
申请日：2017-08-16
申请人： Candela Corporation
发明人： Xiaoming Shang , Jayant Bhawalkar
CPC分类号： G02B27/283 , A61B18/20 , A61B18/201 , A61B2018/20359 , A61N5/0616 , A61N2005/067 , A61N2005/073 , G02B26/0816
摘要： Disclosed is an apparatus and a method to preserve linearly polarized laser beam when it passes through a freely twisting beam delivery system such as an articulated arm. The polarization of the output beam from the delivery system will be stable and the same as the polarization of the input beam to the delivery system, and can be used to pump anisotropic laser crystals as well as nonlinear optical crystals.
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公开(公告)号：US20240041522A1
公开(公告)日：2024-02-08
申请号：US18490825
申请日：2023-10-20
申请人： Candela Corporation
CPC分类号： A61B18/203 , A61M1/80 , A61M1/743 , A61N5/0616 , B01D46/0047 , A61B2018/00452
摘要： A rapid pulsatile smoke extraction system includes a laser handpiece having a sleeve configurable to be applied to tissue; a vacuum pump and a vacuum reservoir; a conduit connecting the reservoir with the sleeve; and a valve inserted in the conduit. A volume of the vacuum reservoir is at least two times larger than a volume of the sleeve, such that operation of the valve supports instantaneous evacuation of smoke and particulate products from the sleeve into the vacuum reservoir.
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公开(公告)号：US20180296269A1
公开(公告)日：2018-10-18
申请号：US15488571
申请日：2017-04-17
申请人： Candela Corporation
发明人： Jayant Bhawalkar , Kevin Schomacker
CPC分类号： A61B18/203 , A61B18/20 , A61B18/22 , A61B2018/00452 , A61B2018/0047 , A61B2018/2035 , A61B2018/20554 , A61B2018/205545 , A61B2018/2261 , A61B2018/2294 , A61N5/0616 , G02B5/001 , G02B27/0927 , G02B27/0944 , G02B27/0955 , G02B27/1086 , G02B27/4205 , G02B27/4277
摘要： A device and a method for fractional skin treatment. The device employs two diffractive optical elements. One of the diffractive optical elements provides two coaxial laser beams and another diffractive optical element splits the two coaxial laser beams into a plurality of beamlets. A lens arranged to receive the plurality of the laser beams and to focus them in a skin treatment plane. The lens forms an image where each of the beamlets is imaged as a spot with a high intensity central area and a lower intensity area surrounding the central area.
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公开(公告)号：US20180296268A1
公开(公告)日：2018-10-18
申请号：US15487466
申请日：2017-04-14
申请人： Candela Corporation
摘要： Smoke evacuation system for removal of aerosolized chemical compounds and biological fine particles produced during laser treatment of tissue. The rapid smoke evacuation is achieved by coupling a low capacity vacuum pump to a vacuum valve and a vacuum reservoir to create very high flow rate for very short durations. The opening time of the valve could at least partially overlap the laser pulse duration.
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公开(公告)号：US10925669B2
公开(公告)日：2021-02-23
申请号：US15487466
申请日：2017-04-14
申请人： Candela Corporation
摘要： Smoke evacuation system for removal of aerosolized chemical compounds and biological fine particles produced during laser treatment of tissue. The rapid smoke evacuation is achieved by coupling a low capacity vacuum pump to a vacuum valve and a vacuum reservoir to create very high flow rate for very short durations. The opening time of the valve could at least partially overlap the laser pulse duration.
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公开(公告)号：US20200038677A1
公开(公告)日：2020-02-06
申请号：US16052692
申请日：2018-08-02
申请人： Candela Corporation
摘要： A method of treating pigmented lesions and vascular lesions by a wavelength between 500 nm and 600 nm applied to the segment of skin as a train of pulses. In some examples, a wavelength of 1048 nm is applied sequentially or simultaneously with the wavelength between 500 nm and 600 nm. Disclosed is also an apparatus supporting such skin treatment.
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