CN103815962A - Automatic zoom system of laser therapeutic instrument - Google Patents

Automatic zoom system of laser therapeutic instrument Download PDF

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Publication number
CN103815962A
CN103815962A CN201410110988.7A CN201410110988A CN103815962A CN 103815962 A CN103815962 A CN 103815962A CN 201410110988 A CN201410110988 A CN 201410110988A CN 103815962 A CN103815962 A CN 103815962A
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China
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module
zoom
laser
focal plane
therapeutic apparatus
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CN201410110988.7A
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CN103815962B (en
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杨若夫
熊贤成
敖明武
董洪舟
杨春平
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University of Electronic Science and Technology of China
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University of Electronic Science and Technology of China
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Abstract

The invention relates to the field of zoom technologies in laser treatment, in particular to an automatic zoom system of a laser therapeutic instrument. The zoom system comprises a rotating module, a mainframe module and an optical zoom module. The optical zoom module is nested in the mainframe module. The rotating module is arranged outside the mainframe module in a sleeved mode. The rotating module is formed by a driven gear, a magnetic coding ring and a linear groove cylinder in an integrally fixed mode. The cylinder body of the linear groove cylinder is provided with a linear groove. The automatic zoom system is capable of carrying out automatic micro-focusing and displaying the diameter of a laser spot on a focal plane on an electronic display screen and capable of accurately changing the diameter of the laser spot on the focal plane to an ideal value.

Description

A kind of automatic focusing system of laser therapeutic apparatus
Technical field
The present invention relates to zoom technology field in laser therapy, particularly by Light Electrical system control laser therapeutic apparatus autozoom and show focal plane place laser spot diameter.
Background technology
Laser therapeutic apparatus acts on human lesion tissue by producing high-octane monochromatic light at focal plane place, thus to pathological tissues solidify, cut or vaporize operation without wound eliminate pathological tissues.Because laser energy is in focal plane place high concentration, the feature that the laser of different wave length also respectively has superiority to the therapeutic effect of human body different tissues, make laser therapeutic apparatus there is series of advantages, for example: only act on pathological tissues and minimum to periphery health tissues damage, precision is high, treatment cycle is short, few intercurrent disease, postoperative easy recovery etc.Based on above advantage, laser therapeutic apparatus is being widely applied aspect the beautifying medicals such as speckle dispelling, the nevus of dispelling, mill skin.
The degree of accuracy of laser therapeutic apparatus depends on the adjusting of focal plane place laser facula to a great extent, if make focal plane spot diameter be greater than lesions position in zoom process, can produce a very large impact perilesional health tissues, if make focal plane spot diameter be less than lesions position in zoom process, can not remove completely disposable whole focus again, and speckle, nevus etc. organize diameter generally within the scope of grade, traditional more difficult fine adjustment of manual Zooming method is consistent with affected area to focal plane laser spot diameter size.Again because different optical maser wavelength respectively has superiority to the therapeutic effect of human body different tissues, for easy to use, research and develop a kind of can automatic small zoom and can select the Handheld laser therapeutic instrument of wavelength extremely important.
Summary of the invention
The problem existing for prior art, provides a kind of and can accurately change the automatic focusing system of focal plane place laser spot diameter to ideal value laser therapeutic apparatus.
The technical solution used in the present invention is:
An automatic focusing system for laser therapeutic apparatus, comprises rotating module, host module and optical zoom module, and in described optical zoom module is sleeved on by described host module, described rotating module is sleeved on outside described host module; Described rotating module is fixed as one and is formed by driven gear, Magnet coding circle, straight line groove drum, and the stack shell of described straight line groove drum is offered straight-line groove; Described host module is fixed as one and is formed by machinery head, curve groove drum, and described machinery head is fixed on the top of described curve groove drum, on the stack shell of described curve groove drum, offers curved groove; Described machinery head is provided with driving gear and detects the Hall element of described Magnet coding circle, and described driving gear engages with described driven gear, and described curved groove is crossing with described straight-line groove; In described optical zoom module, establish optical lens one, the edge of described optical lens one is fixed with screw, and described screw is stuck in the intersection point place of described straight-line groove and curved groove, and described screw can slide in described straight-line groove and curved groove;
Drive described driving gear by motor, described driving gear drives described driven gear to rotate, described curve groove drum maintains static, described straight line groove drum retinue moving gear rotates with respect to described curve groove drum, and the screw that is stuck in described straight-line groove and described curved groove intersection point place drives described optical lens one mobile zoom on main shaft; Driven gear rotates and also can drive described Magnet coding circle to rotate simultaneously, the circumference of described Magnet coding circle is provided with several rows coding, the laser spot diameter of the different sizes in corresponding this laser therapeutic apparatus focal plane of every row coding place, Hall element shows the laser spot diameter of the coding correspondence detecting in electronic display.
As the preferred embodiment of the present invention, described optical zoom module by front fixing group that contains optical lens two, the zoom group that contains described optical lens one, contain optical lens three rear fixing group form, described first fixing group is fixed on described curve groove drum top, and described latter fixing group is fixed on described curve groove drum tail end.
As the preferred embodiment of the present invention, in described optical zoom module, dustproof mirror is equipped with respectively in the front end of front fixing group and the rear end of latter fixing group.
As the preferred embodiment of the present invention, also comprise dual laser and light arm, described dual laser is connected with machinery head by described smooth arm.
As the preferred embodiment of the present invention, on described machinery head, be also provided with Zoom control button, Zoom control button drives described driving gear rotation by internal circuit board control motor, and then realizes optical zoom module zoom.
As the preferred embodiment of the present invention, on described machinery head, be also provided with and control on and off switch, optical maser wavelength options button and the reset key that laser therapeutic apparatus is connected or closed, by make described electronic display make zero by reset key, make this automatic focusing system enter init state; Described electronic display is also arranged on described machinery head.
As the preferred embodiment of the present invention, the focal plane after described curve groove drum tail end extends a focal plane positioning tube, makes laser by optical zoom module drops on focal plane positioning tube place.
For realizing the object of the invention, this system comprises: dual laser, by on and off switch, optical maser wavelength options button, reset key, Zoom control button, electronic display, with the direct current generator of gear, the mechanical head that Hall element forms, by mechanical head, curve groove drum, focal plane positioning tube be fixed as one form host module, by gear, Magnet coding circle, straight line groove drum be fixed as one form rotating module, by front fixing group that contains dustproof mirror and lens, rims of the lens is fixed with the zoom group of smooth screw, the rear fixing group of optical zoom module forming that contains dustproof mirror and lens,
Further describe again the technical solution adopted in the present invention below: by light arm, dual laser is connected with machinery head, rotating module is enclosed within outside host module, optical zoom module is in host module, and the driven gear of rotating module and the driving gear of direct current generator are engaged, Magnet coding circle is in Hall element detection range, straight-line groove and curved groove intersect, smooth screw in the zoom group of optical zoom module is stuck in the intersection point place of straight-line groove and curved groove, front fixing group is fixed on curve groove drum top, rear fixing group is fixed on curve groove drum tail end.
Connect laser therapeutic apparatus power supply by and off switch, select optimal treatment optical maser wavelength according to the focus object that will treat by optical maser wavelength options button, by reset key, display screen is made zero, system enters init state.
Press the add key in Zoom control button, drive the gear on direct current generator to turn clockwise by internal circuit board, the gear that this gear driven turning clockwise is engaged with is rotated counterclockwise, thereby drives whole rotating module to be rotated counterclockwise.Now curved groove is fixed, and straight-line groove is followed rotating module and is rotated counterclockwise together on rotating module, the intersection point of curved groove and straight-line groove moves counterclockwise along curved groove like this, again because the zoom group Smooth screw in optical zoom module is stuck in curved groove and straight-line groove intersection point place, so the lens of zoom group move counterclockwise along curved groove, the motion of zoom group shows as along major axes orientation away from focal plane positioning tube rectilinear motion on main shaft, make focal plane positioning tube place laser facula become large, thereby realize zoom.Rotate counterclockwise in process at rotating module, Magnet coding circle on rotating module is also followed rotating module and is rotated counterclockwise together, the upper every row of Magnet coding circle has four signal grooves, in signal groove, filling after Magnet is 1 through Hall element detection signal, what do not fill Magnet is 0 through Hall element detection signal, after removing 0000 this garbage signal according to tetrad code, can compile altogether 15 effective codes, be respectively 0001, 0010, 0011, 0100, 0101, 0110, 0111, 1000, 1001, 1010, 1011, 1100, 1101, 1110, 1111, fixing Hall element often detects that a coding key rotating module drives zoom group to move a segment distance at major axes orientation away from focal plane positioning tube and realizes zoom one time, laser spot diameter is changed at focal plane place, calculating during by design can be known the focal plane place laser spot diameter that each Hall is encoded corresponding, so Hall element shows the Magnet the detecting corresponding laser spot diameter of encoding intuitively in electronic display, can make the laser radius at focal plane place be increased to desirable amount by pressing Zoom control button add key number of times.
Arrive after efficient coding maximum when press Zoom control button add key always, now the smooth screw of zoom group also moves to high order end counterclockwise along curved groove, press again Zoom control button add key invalid, can only press another one Zoom control button Substract key just effective.If cause focal plane place laser spot diameter bigger than normal in the time pressing Zoom control button add key, also can focus focal plane place laser spot diameter is diminished by pressing another one Zoom control button Substract key.
To press add key principle in Zoom control button similar, while pressing the Substract key in Zoom control button, drive the gear on direct current generator to be rotated counterclockwise by internal circuit board, the gear that this gear driven being rotated counterclockwise is engaged with turns clockwise, thereby drives whole rotating module to turn clockwise.Now curved groove is fixed, and straight-line groove is followed rotating module and is clockwise rotated together on rotating module, the intersection point of curved groove and straight-line groove moves clockwise along curved groove like this, again because the zoom group Smooth screw in optical zoom module is stuck in curved groove and straight-line groove intersection point place, so the lens of zoom group move clockwise along curved groove, the motion of zoom group shows as along major axes orientation near focal plane positioning tube rectilinear motion on main shaft, focal plane positioning tube place laser facula is diminished, thereby realize zoom.Clockwise rotate in process at rotating module, Magnet coding circle on rotating module is also followed rotating module and is clockwise rotated together, fixing Hall element often detects that a coding key rotating module drives zoom group to move a segment distance at major axes orientation near focal plane positioning tube and realizes zoom one time, laser spot diameter is changed at focal plane place, Hall element shows the Magnet the detecting corresponding laser spot diameter of encoding intuitively in electronic display, can make the laser radius at focal plane place be reduced to desirable amount by pressing Zoom control button Substract key number of times.
Arrive after efficient coding minima when press Zoom control button Substract key always, now the smooth screw of zoom group also moves to low order end clockwise along curved groove, press again Zoom control button Substract key invalid, can only press another one Zoom control button add key just effective.If cause focal plane place laser spot diameter less than normal in the time pressing Zoom control button Substract key, also can focus and make focal plane place laser spot diameter become large by pressing another one Zoom control button add key.
In sum, owing to having adopted technique scheme, the invention has the beneficial effects as follows: the automatic focusing system of a kind of laser therapeutic apparatus of the present invention can be selected optical maser wavelength, and realize automatic small focusing and focal plane place laser spot diameter is presented in electronic display, can accurately change focal plane place laser spot diameter to ideal value, effectively avoid the inaccuracy of manual focusing, and this system structure compactness, simple to operate, safety and precise.
Accompanying drawing explanation
Fig. 1 is the rotating module of system of the present invention
Fig. 2 is the host module of system of the present invention
Fig. 3 is the optical zoom module of system of the present invention
Labelling in figure: 1-straight line groove drum gear, 2-spacing wave groove, 3-fills Magnet signal groove, 4-Magnet coding circle, 5-straight-line groove, 6-straight line groove drum, 7-dual laser, 8-light arm, 9-on and off switch, 10-optical maser wavelength options button, 11-reset key, 12-Zoom control button add key, 13-Zoom control button Substract key, 14-electronic display, 15-direct current generator, 16-direct current generator gear, 17-Hall element, 18-curved groove, 19-focal plane positioning tube, 20-curve groove drum.The 21-mirror that prevents dust, 22-optical lens, fixing group before 23-, 24-optical lens, the smooth screw of 25-, 26-zoom group, 27-optical lens, the 28-mirror that prevents dust, fixes group after 29-.
The specific embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention will be further described.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
embodiment 1
In Fig. 1, Magnet coding circle 4 every row form an efficient coding signal by four spacing wave grooves 2 or filling Magnet signal groove 3, have 15 efficient coding signals, the corresponding focal plane place laser spot diameter of each coded signal.Straight-line groove 5 is engraved on straight line groove drum 6 walls by smooth screw 25 sizes and engine request length.Straight line groove drum gear 1, Magnet coding circle 4 and the straight line groove drum 6 formation rotating module that is fixed as one.
In Fig. 2, form mechanical head by and off switch 9, optical maser wavelength options button 10, reset key 11, Zoom control button add key 12, Zoom control button Substract key 13, electronic display 14, direct current generator 15, direct current generator gear 16, Hall element 17, dual laser 7 accesses mechanical head by light arm 8.Curved groove 18 is engraved on curve groove drum 20 walls by smooth screw size and engine request length, and curve groove drum 20 head ends are fixed on machinery head and go up, and tail end prolongs and bears a focal plane positioning tube 19, and machinery head, curve groove drum 20, focal plane positioning tube 19 are fixed as one.
Fixing group 23 before being formed by dustproof mirror 21 and optical lens 22 in Fig. 3, the optical lens 24 that is fixed with smooth screw 25 by edge forms zoom group 26, forms latter fixing group 29 by dustproof mirror 28 and optical lens 27, and first fixing group 23, zoom group 26 and latter fixing group 29 form optical zoom module.
Rotating module in Fig. 1 is enclosed within outside the host module of Fig. 2, the optical zoom module of Fig. 3 is in the host module of Fig. 2, and making direct current generator gear 16(is driving gear described in claim) engagement straight line groove drum gear 1(is driven gear described in claim), Hall element 17 is corresponding corresponding with Magnet coding circle 4, straight-line groove 5 and curved groove 18 intersect, front fixing group 23 of optical zoom module is fixed on curve groove drum 20 head ends, rear fixing group 29 is fixed on curve groove drum 20 tail ends, smooth screw 25 in zoom group 26 is stuck in the intersection point place of straight-line groove 5 and curved groove 18.
The switch 9 that switches on power is also selected required optical maser wavelength by optical maser wavelength options button 10 as required, by reset key 11, electronic display 14 is made zero, and system enters init state.Pressing Zoom control button add key 12 turns clockwise the direct current generator gear 16 on direct current generator 15, thereby drive the straight line groove drum gear 1 being engaged with to rotate counterclockwise, straight-line groove 5 is also along with straight line groove drum 6 together rotates counterclockwise, fixing curve groove drum 20 and the straight line groove drum 6 rotating counterclockwise make to be stuck in straight-line groove 5 and also move counterclockwise along curved groove 18 with the smooth screw 25 at curved groove 18 intersection point places, and smooth screw in zoom group 26 25 is fixed with the optical lens 24 of zoom group 26, so zoom group 26 is along with smooth screw 25 moves counterclockwise along curved groove 18, on main shaft, show as zoom group 26 on major axes orientation away from focal plane positioning tube 19 rectilinear motions, make laser become large at focal plane place spot diameter, finally realize zoom.Rotating module its Magnet coding in the time rotating counterclockwise encloses 4 also along with being rotated counterclockwise, Hall element 17 often detects a Magnet coded signal and pauses once, and in electronic display 14, show this Magnet corresponding focal plane place laser spot diameter of encoding, can continue to increase focal plane place laser spot diameter size by pressing the number of times of Zoom control button add key 12.
Pressing Zoom control button Substract key 13 is rotated counterclockwise the direct current generator gear 16 on direct current generator 15, thereby drive the straight line groove drum gear 1 being engaged with to clockwise rotate, straight-line groove 5 is also along with straight line groove drum 6 together clockwise rotates, fixing curve groove drum 20 and the straight line groove drum 6 clockwise rotating make to be stuck in straight-line groove 5 and also move clockwise along curved groove 18 with the smooth screw 25 at curved groove 18 intersection point places, and 26 smooth screw 25 is fixed with the optical lens 24 of zoom group 26 in zoom group, so zoom group 26 is along with smooth screw 25 moves clockwise along curved groove 18, on main shaft, show as zoom group 26 close focal plane positioning tube 19 rectilinear motions on major axes orientation, laser is diminished at focal plane place spot diameter, finally realize zoom.Rotating module its Magnet coding in the time clockwise rotating encloses 4 also along with turning clockwise, Hall element 17 often detects a Magnet coded signal and pauses once, and in electronic display 14, show this Magnet corresponding focal plane place laser spot diameter of encoding, can continue to reduce focal plane place laser spot diameter size by pressing the number of times of Zoom control button Substract key 13.
In the time pressing continuously Zoom control button and make Hall element 17 maximum coding or minimum code be detected, now the smooth screw 25 of zoom group 26 also moves to top along curved groove 18, press again same Zoom control button invalid, can only press another one Zoom control button just effective.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.

Claims (7)

1. an automatic focusing system for laser therapeutic apparatus, is characterized in that, comprises rotating module, host module and optical zoom module, and in described optical zoom module is sleeved on by described host module, described rotating module is sleeved on outside described host module;
Described rotating module is fixed as one and is formed by driven gear, Magnet coding circle, straight line groove drum, and the stack shell of described straight line groove drum is offered straight-line groove;
Described host module is fixed as one and is formed by machinery head, curve groove drum, and described machinery head is fixed on the top of described curve groove drum, on the stack shell of described curve groove drum, offers curved groove; Described machinery head is provided with driving gear and detects the Hall element of described Magnet coding circle, and described driving gear engages with described driven gear, and described curved groove is crossing with described straight-line groove;
In described optical zoom module, establish optical lens one, the edge of described optical lens one is fixed with screw, and described screw is stuck in the intersection point place of described straight-line groove and curved groove, and described screw can slide in described straight-line groove and curved groove;
Drive described driving gear by motor, the screw that is stuck in described straight-line groove and described curved groove intersection point place drives described optical lens one mobile zoom on main shaft; Simultaneously, described Magnet coding circle rotates, the circumference of described Magnet coding circle is provided with several rows coding, the laser spot diameter of the different sizes in corresponding this laser therapeutic apparatus focal plane of every row coding place, Hall element shows the laser spot diameter of the coding correspondence detecting in electronic display.
2. the automatic focusing system of laser therapeutic apparatus according to claim 1, it is characterized in that, described optical zoom module by front fixing group that contains optical lens two, the zoom group that contains described optical lens one, contain optical lens three rear fixing group form, described first fixing group is fixed on described curve groove drum top, and described latter fixing group is fixed on described curve groove drum tail end.
3. the automatic focusing system of laser therapeutic apparatus according to claim 2, is characterized in that, in described optical zoom module, dustproof mirror is equipped with respectively in the front end of front fixing group and the rear end of latter fixing group.
4. according to the automatic focusing system of the laser therapeutic apparatus described in claim 1,2 or 3, it is characterized in that, also comprise dual laser and light arm, described dual laser is connected with machinery head by described smooth arm.
5. the automatic focusing system of laser therapeutic apparatus according to claim 4, it is characterized in that, on described machinery head, be also provided with Zoom control button, Zoom control button drives described driving gear rotation by internal circuit board control motor, and then realizes optical zoom module zoom.
6. the automatic focusing system of laser therapeutic apparatus according to claim 5, it is characterized in that, on described machinery head, be also provided with and control on and off switch, optical maser wavelength options button and the reset key that laser therapeutic apparatus is connected or closed, by make described electronic display make zero by reset key, make this automatic focusing system enter init state; Described electronic display is also arranged on described machinery head.
7. according to the automatic focusing system of the laser therapeutic apparatus described in claim 1,2,3,5 or 6, it is characterized in that, the focal plane after described curve groove drum tail end extends a focal plane positioning tube, makes laser by optical zoom module drops on focal plane positioning tube place.
CN201410110988.7A 2014-03-24 2014-03-24 A kind of automatic focusing system of laser therapeutic apparatus Expired - Fee Related CN103815962B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108143484A (en) * 2018-01-30 2018-06-12 山东神思医疗设备有限公司 A kind of spot size automatic identification hand tool based on Hall effect

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Publication number Priority date Publication date Assignee Title
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CN202522753U (en) * 2012-04-29 2012-11-07 西安华科光电有限公司 Optical path focusing device and electric focusing laser riflescope comprising same
CN103622749A (en) * 2013-12-14 2014-03-12 闻峰 Laser scalpel with continuously adjustable out-of-focus distance

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200984402Y (en) * 2006-12-14 2007-12-05 新视界有限公司 Multifunctional skin therapeutic equipment for beautifying
CN201123845Y (en) * 2007-08-06 2008-10-01 杜金波 High-efficiency laser beauty machine
US20110245816A1 (en) * 2010-03-31 2011-10-06 Nidek Co., Ltd. Ophthalmic laser treatment apparatus
US20120157979A1 (en) * 2010-12-16 2012-06-21 Jamie Li Laser assembly having adjustable focusing lenses
CN202522753U (en) * 2012-04-29 2012-11-07 西安华科光电有限公司 Optical path focusing device and electric focusing laser riflescope comprising same
CN103622749A (en) * 2013-12-14 2014-03-12 闻峰 Laser scalpel with continuously adjustable out-of-focus distance

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108143484A (en) * 2018-01-30 2018-06-12 山东神思医疗设备有限公司 A kind of spot size automatic identification hand tool based on Hall effect

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