CN103622749A - Laser scalpel with continuously adjustable out-of-focus distance - Google Patents
Laser scalpel with continuously adjustable out-of-focus distance Download PDFInfo
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- CN103622749A CN103622749A CN201310687200.4A CN201310687200A CN103622749A CN 103622749 A CN103622749 A CN 103622749A CN 201310687200 A CN201310687200 A CN 201310687200A CN 103622749 A CN103622749 A CN 103622749A
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Abstract
The invention relates to a laser scalpel, and particularly relates to a laser scalpel with continuously adjustable out-of-focus distance for laser operations and laser cosmetic surgeries. The laser scalpel comprises a scalpel body and an adjusting lens barrel, wherein the adjusting lens barrel can be embedded into the cavity of the scalpel body in an axially sliding way and is internally provided with a focusing lens; an out-of-focus adjusting rotary barrel is sleeved on the scalpel body and is adjustably connected with the adjusting lens barrel. By virtue of the adjusting lens barrel and the out-of-focus adjusting rotary barrel, the continuous adjustability of laser focus, diameter and energy density is achieved, and the problem that the laser scalpel needs to be replaced on occasions with different requirements is solved.
Description
Technical field
The present invention relates to a kind of laser scalpel, particularly the continuously adjustable laser scalpel of a kind of distance of the out of focus for laser surgery, laser beautifying, belongs to medical instruments field.
Background technology
Laser is monochromatic light, has certain penetration power and focuses on accurately; Laser surgery is while utilizing the laser beam irradiation biological tissue of certain energy, and the moment high temperature of generation makes to be subject to irradiate tissue and produces and photicly solidify with photic vaporization etc.Laser surgery has the incomparable advantage of traditional operation: substantially do not need that hospitalization, operative incision are little, not hemorrhage in art, without secondary infection, Wicresoft etc.Due to various operation, the operation that is especially applied to different medical science scopes need to have the laser scalpel of different specific functions, has led thus, invents, created many new laser scalpel technology.
Existing laser scalpel disposes the device being connected with light-conducting arm, optical fibers, the energy sending for receiving laser instrument, and energy is sent to operative site after focusing on by laser scalpel again.Operation of different nature needs active area, power density, the action time of laser all different.The design of laser scalpel has determined its function, efficiency and operation ease.
Existing laser scalpel adopts fixed focal length laser scalpel mostly, and operator cannot change laser beam mode (space angle of light beam axis of symmetry, corrugated shape) and focal length, and what can only change is laser power, action time, thereby therapeutic domain is limited.Solution is that a therapeutic instrument has configured multiple not confocal scalpel, by changing not confocal scalpel or knife head for surgical, regulate laser to collect hot spot and disperse hot spot, by the method for suitable out of focus operation, changing the object that energy density reaches different treatments.Do so on the one hand and increased cost, medical department seldom configures multiple scalpel, and therapeutic domain is limited; On the other hand, different operative space orientation is different with the energy density that region needs, and operator by virtue of experience, is difficult to reach optimum therapeuticing effect.
Indivedual patents are as EP-A-0033958, and US-A-3865113 relates to focal length and changes, and, by changing the method for scalpel front lay, reach the object that changes focal length.The shortcoming of this method is to have changed the distance of operator holding area with treatment face, namely need to change operator's work habit, this can exert an influence for the accuracy of operation undoubtedly, be unfavorable for operation, and this method has also changed the distance of Laser emission end face with treatment face simultaneously, this can make operator's the visual field change, and hypotelorism also can strengthen the opportunities for contamination of optical glass.
For another example patent CN2713994Y discloses a kind of new pattern laser knife head for surgical with flexible feeler lever, cutter head is mainly by light pipe, condenser lens, scalable contact lever and handle form, the ultimate principle relating to and aforementioned US-A-3865113 are exactly the same, equal methods of scalpel front lay for a change, reach the object that changes focal length, the advantage of this patent is that its locating rod can examine contracting, while there is no external force, the top of this locating rod is not focal length just, when operator applies external force, expansion link can retraction scalpel in, thereby changed focal length.Its shortcoming is that this is a kind of mode of operation without any foundation, and randomness is very large, relies on operator's experience completely, and is inapplicable in a lot of occasions, such as: ophthalmology laser surgery application.
Summary of the invention
According to above the deficiencies in the prior art, technical problem to be solved by this invention is: provide a kind of out of focus distance continuously adjustable laser scalpel, the focus, diameter and the energy density that realize laser are adjustable continuously, have solved the problem that laser scalpel need to be changed in different demand occasions.
The continuously adjustable laser scalpel of out of focus distance of the present invention, comprise cutter body, one regulates lens barrel, can embed slidably vertically in cutter body cavity, regulate focusing lens be installed in lens barrel, an out of focus regulate revolve that jacket casing is contained on cutter body and with regulate that lens barrel is adjustable to be connected.
By rotation out of focus, regulate and revolve cylinder, make to regulate lens barrel to endwisely slip along cutter body, regulate the focusing lens position in lens barrel to change thereupon, realize the adjustable continuously of out of focus distance, thereby reach the object that focus, diameter and energy density to laser regulate continuously.In different demand occasions, be adjusted to corresponding out of focus distance, without changing scalpel, use simply, reduce the cost of equipment simultaneously.
Described adjusting lens barrel afterbody is provided with boss, and boss upper surface arranges external screw thread, and on the corresponding cutter body of boss, positioning track is set, and boss regulates to revolve through positioning track and out of focus and tin is threaded.By positioning track, limit boss and rotate, make to regulate lens barrel can not rotate sliding vertically in body cavity, rotation out of focus regulates revolves cylinder, and boss moves forward and backward under threaded engagement effect.
It is the tubular of hollow that cylinder is revolved in described out of focus adjusting, can on cutter body, freely rotate, and its inner side is provided with female thread, and its front end coordinates with cutter body push stopping part.
Described out of focus regulates revolves tube rear end connection locking rotating cylinder, and locking rotating cylinder is threaded with cutter body, and locking rotating cylinder is used for locking out of focus adjusting and revolves cylinder, avoids changing in use procedure.
The observation port that described cutter body portion setting communicates with cutter body cavity, observation port is carved with graduated scale on one side, corresponding adjusting on lens barrel arranges groove, groove stroke is within the scope of graduated scale, by observation port and graduated scale, can fine adjustment out of focus distance, overcome spot diameter and be difficult to the problem accurately changing, be applicable to multiple operation occasion.
Described observation port is rectangular opening, and graduated scale is engraved in the plane vertical with observation port.
The distance of described 4 graduation of whole numbers of units of graduated scale labelling, its precision Wei0.1Ge unit, more accurate positioning.
Described adjusting lens barrel is comprised of the less leading portion of internal diameter and the larger back segment of internal diameter, and focusing lens is arranged on two sections of junctions.
Described cutter body front end is connected with locating rod, and locating rod size and focusing lens initial position adapt.By locating rod, locate and need therapentic part and cutter body distance, the laser intensity while making focusing lens initial position to reach maximum, be conducive to follow-up continuous location.
On described cutter body, be provided with air inlet, by air inlet, pass into gas, the high-temperature flue gas producing while avoiding performing the operation pollutes focusing lens, and impact is normally used.
Operation principle and process:
By locating rod knife edge body with need the distance of therapentic part, during original state, hot spot collects power maximum, can directly carry out the associative operations such as cutting in laser surgery, gasification.Rotation out of focus regulates revolves cylinder, makes to regulate lens barrel to endwisely slip along cutter body, regulates the focusing lens position in lens barrel to change thereupon, and hot spot collects power and reduces gradually, to reach different operation objects.Because this is adjusted to continuous process, therefore can realize the object that focus, diameter and energy density to laser regulate continuously.By regulating groove and the graduated scale reading on lens barrel, can carry out accurate quantification adjusting to laser energy density, determine rapidly and accurately focal position of laser, the focal position of choosing most suitable energy density is cut, vaporizes, burns, is solidified, irradiated lesion position tissue.
Compared with prior art, the beneficial effect that the present invention has is:
1, the present invention is adjustable continuously by regulating lens barrel, out of focus to regulate to revolve cylinder to realize focus, diameter and the energy density of laser, has solved the problem that laser scalpel need to be changed in different demand occasions.
2, by graduated scale, can fine adjustment out of focus distance, overcome spot diameter and be difficult to the problem accurately changing, improve operation degree of accuracy.
3, outward appearance of the present invention and existing laser scalpel are basically identical, and using method is without any difference, and the existing use habit of reservation operations person and operation method, facilitate easy-to-use.
4, by locking rotating cylinder locking out of focus, regulate and revolve cylinder, avoid, in operation process, micro-movement occurs, affect surgical effect.
5,, by the locating rod of specific dimensions, be conducive to the continuous location of initial alignment and subsequent adjustment.
The high-temperature flue gas producing when 6, air inlet being set avoiding performing the operation pollutes focusing lens.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 regulates lens barrel sectional structure schematic diagram;
Fig. 3 is original state sectional structure schematic diagram of the present invention;
Fig. 4 is another using state sectional structure schematic diagram of the present invention.
In figure: 1, locating rod; 2, cutter body; 3, air inlet; 4, graduated scale; 5, out of focus regulates and revolves cylinder; 6, locking rotating cylinder; 7, connecting device; 8, observation port; 9, groove; 10, boss; 11, regulate lens barrel; 12, focusing lens; 13, positioning track.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described further.
As shown in Figures 1 to 3, the continuously adjustable laser scalpel of this out of focus distance, comprise cutter body 2, cutter body 2 integral body are irregular roundness tubular, center is cavity, one regulates lens barrel 11 can embed slidably vertically in cutter body 2 cavitys, regulate the interior installation focusing lens 12 of lens barrel 11, one out of focus regulate revolve that cylinder 5 is sleeved on cutter body 2 and with regulate that lens barrel 11 is adjustable to be connected, out of focus regulates revolves cylinder 5 for the tubular of hollow, can on cutter body 2, freely rotate, its inner side is provided with female thread, its front end coordinates with the step-like push stopping part of cutter body 2, out of focus adjusting is revolved cylinder 5 exterior front and is provided with the hand grip portion that is suitable for grasping, out of focus regulates revolves cylinder 5 rear ends connection locking rotating cylinders 6, locking rotating cylinder 6 is connected with cutter body 2 coaxial threaded, locking rotating cylinder 6 revolves cylinder 5 for locking out of focus adjusting.When screwing locking rotating cylinder 6, its front end promotes out of focus adjusting and revolves cylinder 5 and cutter body 2 push stopping part clampings, realizes and locking.Locking rotating cylinder 6 rear ends arrange connecting device 7, and connecting device 7 is fixed on cutter body 2 afterbodys, and connecting device 7 is for connecting outside LASER Light Source, and the present invention can coordinate with the carbon dioxide laser therapeutic apparatus of a large amount of uses on the market.
The hollow tube-shape that regulates lens barrel 11 to be integrated, by the less leading portion of internal diameter and the larger back segment of internal diameter, formed, two sections of external diameters are consistent, focusing lens 12 is arranged on two sections of junctions, regulate lens barrel 11 afterbodys to be provided with boss 10, boss 10 upper surfaces arrange external screw thread, and on the corresponding cutter body 2 of boss 10, positioning track 13 are set, and boss 10 regulates the female thread that revolves 5 inner side to be threaded through positioning track 13 and out of focus.By rotating out of focus adjusting, revolve cylinder 5, drive boss 10 along positioning track 13 linear slide, make to regulate lens barrel 11 to move vertically.Positioning track 13 front and back ends are equipped with limited step, to limit the stroke size of regulating sleeve 11.
The anterior observation port 8 communicating with cutter body 2 cavitys that arranges of cutter body 2, observation port 8 is rectangular opening, observation port 8 is carved with graduated scale 4 on one side, on the cutter body 2 vertical with observation port 8, processes the plane that a size is suitable, and graduated scale 4 is engraved in the plane vertical with observation port 8.The distance of 4 graduation of whole numbers of units of graduated scale 4 labellings, reference numerals is respectively 0,1,2,3,4, its precision Wei0.1Ge unit.Corresponding adjusting on lens barrel 11 arranges groove 9, and groove 9 strokes are in graduated scale 4 scopes.
Work process:
As shown in Figure 3,4, during use, according to operation needs, rotation out of focus regulates revolves cylinder 5 change focusing lens 12 positions to correct position, screws 6 lockings of locking rotating cylinder.When out of focus distance is adjusted to focus 0, hot spot collects power maximum, and its function and laser scalpel zero difference in use can directly be carried out the associative operations such as cutting in laser surgery, gasification.When out of focus distance is adjusted to graduated scale 1, the treatment such as can gasify, burn.When out of focus distance is adjusted to graduated scale 2, the treatment such as can burn, solidify.When out of focus distance is adjusted to graduated scale 3, can solidify, the treatment such as irradiation.When out of focus distance is adjusted to graduated scale 4, can carry out irradiation treatment.The present invention also can regulate more accurately, and graduated scale 4 display scales can provide a reference frame intuitively for operator, and for use master data is provided later, this has positive meaning undoubtedly to improving quality of medical care and efficiency.
During out of focus of the present invention, hot spot is dispersed expansion, and treatment area increases, and can improve therapeutic efficiency.For example, when nevus cell nevus is treated, laser power is inadequate, does not reach therapeutic effect, and the large over-treatment of laser power, can cause local dent.The laser therapy aparatus of external import generally can be equipped with multiple scalpel, and operation principle is exactly the Therapeutic Method of out of focus divergence expression, and different operations are equipped with different out of focus apart from scalpel, and replacing is frequent, and general operation person is reluctant to adopt, and expensive.Domestic laser therapy aparatus is generally only equipped with one to two laser scalpel, is and focuses apart from applicable cutting, gasification, can only take to reduce the method that laser power is irradiated repeatedly, and therapeutic efficiency is low, easily causes over-treatment or treats not in place.While changing apparatus of the present invention, out of focus distance is adjusted to 1, both can be used for nevus cell nevus treatment.Now, the energy density of this scalpel is suitable, and irradiated area increases, and neither can damage normal structure, can improve therapeutic efficiency again.The present invention is under the certain condition of laser power, by adjusting the change of laser facula from focus to out of focus distance; Obtained one from collecting hot spot to the continuous excursion of dispersing hot spot, having obtained one acts between the continually varying energy range for the treatment of end face, thereby the function of laser scalpel can accurately be set as required from cutting to irradiation, expanded the range of application of laser scalpel.
Operator can make focus, diameter and the energy density of laser adjustable continuously apart from adjusting knob by regulating out of focus, has solved the problem that laser scalpel need to be changed in different demand occasions.The treatment of the different depths such as out of focus distance can be cut, burnt by regulating, irradiation and different-energy, the therapeutic domain of expansion of laser light scalpel, has improved efficiency and operation ease, more more efficient, simple, reliable, low-cost than prior art.
Claims (10)
1. an out of focus is apart from continuously adjustable laser scalpel, comprise cutter body (2), it is characterized in that: one regulates lens barrel (11), can embed slidably vertically in cutter body (2) cavity, regulate focusing lens (12) be installed in lens barrel (11), an out of focus regulate revolve cylinder (5) be sleeved on cutter body (2) upper and with regulate adjustable connection of lens barrel (11).
2. out of focus according to claim 1 is apart from continuously adjustable laser scalpel, it is characterized in that: described adjusting lens barrel (11) afterbody is provided with boss (10), boss (10) upper surface arranges external screw thread, with on the corresponding cutter body (2) of boss (10), positioning track (13) is set, boss (10) regulates and revolves tin (5) and be threaded through positioning track (13) and out of focus.
3. out of focus according to claim 2 is apart from continuously adjustable laser scalpel, it is characterized in that: it is the tubular of hollow that cylinder (5) is revolved in described out of focus adjusting, can above freely rotate at cutter body (2), its inner side is provided with female thread, and its front end coordinates with cutter body (2) push stopping part.
4. the continuously adjustable laser scalpel of out of focus distance according to claim 3, is characterized in that: described out of focus regulates revolves cylinder (5) rear end connection locking rotating cylinder (6), and locking rotating cylinder (6) is threaded with cutter body (2).
5. out of focus according to claim 1 is apart from continuously adjustable laser scalpel, it is characterized in that: the anterior observation port (8) communicating with cutter body (2) cavity that arranges of described cutter body (2), observation port (8) is carved with graduated scale (4) on one side, corresponding adjusting on lens barrel (11) arranges groove (9), and groove (9) stroke is in graduated scale (4) scope.
6. the continuously adjustable laser scalpel of out of focus distance according to claim 5, is characterized in that: described observation port (8) is rectangular opening, and graduated scale (4) is engraved in the plane vertical with observation port (8).
7. the continuously adjustable laser scalpel of out of focus distance according to claim 5, is characterized in that: the distance of 4 graduation of whole numbers of units of described graduated scale (4) labelling, its precision Wei0.1Ge unit.
8. according to the continuously adjustable laser scalpel of the arbitrary described out of focus distance of claim 1～7, it is characterized in that: described adjusting lens barrel (11) is comprised of the less leading portion of internal diameter and the larger back segment of internal diameter, and focusing lens (12) is arranged on two sections of junctions.
9. according to the continuously adjustable laser scalpel of the arbitrary described out of focus distance of claim 1～7, it is characterized in that: described cutter body (2) front end is connected with locating rod (1), locating rod (1) size and focusing lens (12) initial position adapt.
10. according to the continuously adjustable laser scalpel of the arbitrary described out of focus distance of claim 1～7, it is characterized in that: on described cutter body (2), be provided with air inlet (3).
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| CN201310687200.4A CN103622749A (en) | 2013-12-14 | 2013-12-14 | Laser scalpel with continuously adjustable out-of-focus distance |
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| CN201310687200.4A CN103622749A (en) | 2013-12-14 | 2013-12-14 | Laser scalpel with continuously adjustable out-of-focus distance |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103815962A (en) * | 2014-03-24 | 2014-05-28 | 电子科技大学 | Automatic zoom system of laser therapeutic instrument |
| CN104645505A (en) * | 2015-02-02 | 2015-05-27 | 上海顶信医疗设备股份有限公司 | Laser treatment apparatus |
| CN105708546A (en) * | 2016-04-05 | 2016-06-29 | 鞍山英杰华科技有限公司 | Laser scalpel pen |
| CN107617608A (en) * | 2017-09-25 | 2018-01-23 | 衢州学院 | A kind of Handheld laser rust removal |
| CN107693115A (en) * | 2017-10-30 | 2018-02-16 | 重庆京渝激光技术有限公司 | Laser beautifying therapy apparatus laser printhead |
| CN107824962A (en) * | 2017-12-01 | 2018-03-23 | 哈尔滨工业大学（威海） | Double-layer drainage device is used in underwater laser cladding and the electric arc combined welding of underwater laser |
| CN107931842A (en) * | 2017-12-01 | 2018-04-20 | 哈尔滨工业大学（威海） | A kind of underwater laser increasing material manufacturing device and its application method |
| CN108888337A (en) * | 2018-06-22 | 2018-11-27 | 东莞市联洲知识产权运营管理有限公司 | A kind of laser scalpel with translation closing door |
| CN109718475A (en) * | 2018-12-19 | 2019-05-07 | 武汉奇致激光技术股份有限公司 | Adjustable spot high-peak power laser exports the guard method of hand tool focus lamp |
| CN111772788A (en) * | 2019-04-04 | 2020-10-16 | 奥斯奥鹏河北医疗器械销售有限公司 | Surgical knife |
| CN115120339A (en) * | 2022-07-01 | 2022-09-30 | 北京翼美云动光电科技有限公司 | Zoom hand tool and laser treatment equipment |
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| CN2293794Y (en) * | 1997-04-28 | 1998-10-07 | 中国科学技术大学 | Adjustable semi-conductor laser collimation head |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103815962A (en) * | 2014-03-24 | 2014-05-28 | 电子科技大学 | Automatic zoom system of laser therapeutic instrument |
| CN104645505A (en) * | 2015-02-02 | 2015-05-27 | 上海顶信医疗设备股份有限公司 | Laser treatment apparatus |
| CN104645505B (en) * | 2015-02-02 | 2017-05-03 | 上海顶信医疗设备股份有限公司 | Laser treatment apparatus |
| CN105708546A (en) * | 2016-04-05 | 2016-06-29 | 鞍山英杰华科技有限公司 | Laser scalpel pen |
| CN107617608A (en) * | 2017-09-25 | 2018-01-23 | 衢州学院 | A kind of Handheld laser rust removal |
| CN107693115A (en) * | 2017-10-30 | 2018-02-16 | 重庆京渝激光技术有限公司 | Laser beautifying therapy apparatus laser printhead |
| CN107824962A (en) * | 2017-12-01 | 2018-03-23 | 哈尔滨工业大学（威海） | Double-layer drainage device is used in underwater laser cladding and the electric arc combined welding of underwater laser |
| CN107931842A (en) * | 2017-12-01 | 2018-04-20 | 哈尔滨工业大学（威海） | A kind of underwater laser increasing material manufacturing device and its application method |
| CN107824962B (en) * | 2017-12-01 | 2020-06-16 | 哈尔滨工业大学（威海） | Double-layer drainage device for underwater laser cladding and underwater laser-arc hybrid welding |
| CN108888337A (en) * | 2018-06-22 | 2018-11-27 | 东莞市联洲知识产权运营管理有限公司 | A kind of laser scalpel with translation closing door |
| CN109718475A (en) * | 2018-12-19 | 2019-05-07 | 武汉奇致激光技术股份有限公司 | Adjustable spot high-peak power laser exports the guard method of hand tool focus lamp |
| CN109718475B (en) * | 2018-12-19 | 2020-12-01 | 武汉奇致激光技术股份有限公司 | Protection method for adjustable light spot high-peak power laser output handtool focusing mirror |
| CN111772788A (en) * | 2019-04-04 | 2020-10-16 | 奥斯奥鹏河北医疗器械销售有限公司 | Surgical knife |
| CN115120339A (en) * | 2022-07-01 | 2022-09-30 | 北京翼美云动光电科技有限公司 | Zoom hand tool and laser treatment equipment |
| CN115120339B (en) * | 2022-07-01 | 2024-06-11 | 北京翼美云动光电科技有限公司 | Zoom hand tool and laser treatment equipment |
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Application publication date: 20140312 |