CN203619678U - Out-of-focus distance adjustable laser scalpel - Google Patents
Out-of-focus distance adjustable laser scalpel Download PDFInfo
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- CN203619678U CN203619678U CN201320825878.XU CN201320825878U CN203619678U CN 203619678 U CN203619678 U CN 203619678U CN 201320825878 U CN201320825878 U CN 201320825878U CN 203619678 U CN203619678 U CN 203619678U
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- cutter body
- focus distance
- laser scalpel
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Abstract
The utility model relates to a laser scalpel, in particular to an out-of-focus distance adjustable laser scalpel which is used for laser operations and laser beauty. The out-of-focus distance adjustable laser scalpel comprises a scalpel body, an adjusting lens barrel and an out-of-focus adjusting rotary barrel, wherein the adjusting lens barrel can be axially embedded into a cavity of the scalpel body in a sliding mode, a focusing lens is arranged in the adjusting lens barrel, and the out-of-focus adjusting rotary barrel is arranged on the scalpel body in a sleeved mode and is connected with the adjusting lens barrel in an adjustable mode. The focus, the diameter and the energy density of laser can be continuously adjusted through the adjusting lens barrel and the out-of-focus adjusting rotary barrel, and the problem that the laser scalpel needs to be replaced in different occasions is solved.
Description
Technical field
This utility model relates to a kind of laser scalpel, and 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, leads thus, utility model, has 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, regulate laser to collect hot spot and disperse hot spot by changing not confocal scalpel or knife head for surgical, reaching the object of different treatments by the method change energy density of suitable out of focus operation.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 composition, the ultimate principle relating to and aforementioned US-A-3865113 are exactly the same, all 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 thering is no external force, the top of this locating rod is focal length just, when operator applies external force, expansion link can retraction scalpel in, thereby change 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.
Utility model content
According to above the deficiencies in the prior art, technical problem to be solved in the utility model 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 described in the utility model, comprise cutter body, one regulates lens barrel, can slide axially and embed 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.
Regulate and revolve cylinder by rotation out of focus, make to regulate lens barrel to slide axially 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.Limit boss by positioning track and rotate, make to regulate lens barrel can not rotate sliding axially in body cavity, rotation out of focus regulates revolves cylinder, and boss moves forward and backward under threaded engagement effect.
Described out of focus regulates revolves the tubular of cylinder for hollow, 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 is 0.1 unit, more accurate positioning.
Described adjusting lens barrel is made up 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.Locate and need therapentic part and cutter body distance, the laser intensity while making focusing lens initial position to reach maximum by locating rod, be conducive to follow-up continuous location.
On described cutter body, be provided with air inlet, pass into gas by air inlet, 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 and the distance that needs therapentic part, when original state, hot spot collects power maximum, can directly carry out the associative operation such as cutting, gasification in laser surgery.Rotation out of focus regulates revolves cylinder, makes to regulate lens barrel to slide axially 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 this utility model has is:
1, this utility model 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, this utility model outward appearance 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, regulate and revolve cylinder by locking rotating cylinder locking out of focus, 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.
6, the high-temperature flue gas producing while air inlet is set avoids performing the operation pollutes focusing lens.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation;
Fig. 2 regulates lens barrel sectional structure schematic diagram;
Fig. 3 is this utility model original state sectional structure schematic diagram;
Fig. 4 is another using state sectional structure schematic diagram of this utility model.
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, embodiment of the present utility model is 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 entirety are irregular roundness tubular, center is cavity, one regulates lens barrel 11 to slide axially embeds 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 the tubular of cylinder 5 for 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.In the time 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 this utility model 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, formed by the less leading portion of internal diameter and the larger back segment of internal diameter, 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.Revolve cylinder 5 by rotating out of focus adjusting, 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, and its precision is 0.1 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, when use, according to operation needs, rotation out of focus regulates revolves cylinder 5 change focusing lens 12 positions to correct position, screws locking rotating cylinder 6 and locks.In the time that out of focus distance is adjusted to focus 0, hot spot collects power maximum, and its function and the laser scalpel zero difference in use, can directly carry out the associative operation such as cutting, gasification in laser surgery.In the time that out of focus distance is adjusted to graduated scale 1, the treatment such as can gasify, burn.In the time that out of focus distance is adjusted to graduated scale 2, the treatment such as can burn, solidify.In the time that out of focus distance is adjusted to graduated scale 3, can solidify, the treatment such as irradiation.In the time that out of focus distance is adjusted to graduated scale 4, can carry out irradiation treatment.This utility model 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.
When this utility model out of focus, 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 being suitable for 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 this utility model device, 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 again therapeutic efficiency.This utility model is under the certain condition of laser power, by adjusting the change of laser facula from focus to out of focus distance; Obtain 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,, low cost more more efficient, simple, reliable than prior art.
Claims (10)
1. the continuously adjustable laser scalpel of out of focus distance, comprise cutter body (2), it is characterized in that: one regulates lens barrel (11), can slide axially and embed 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. the continuously adjustable laser scalpel of out of focus distance according to claim 1, 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. the continuously adjustable laser scalpel of out of focus distance according to claim 2, it is characterized in that: described out of focus regulates revolves the tubular of cylinder (5) for hollow, 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. the continuously adjustable laser scalpel of out of focus distance according to claim 1, 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 described 4 graduation of whole numbers of units of graduated scale (4) labelling, its precision is 0.1 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 made up 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825878.XU CN203619678U (en) | 2013-12-14 | 2013-12-14 | Out-of-focus distance adjustable laser scalpel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825878.XU CN203619678U (en) | 2013-12-14 | 2013-12-14 | Out-of-focus distance adjustable laser scalpel |
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| Publication Number | Publication Date |
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| CN203619678U true CN203619678U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320825878.XU Expired - Fee Related CN203619678U (en) | 2013-12-14 | 2013-12-14 | Out-of-focus distance adjustable laser scalpel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103622749A (en) * | 2013-12-14 | 2014-03-12 | 闻峰 | Laser scalpel with continuously adjustable out-of-focus distance |
| CN105708546A (en) * | 2016-04-05 | 2016-06-29 | 鞍山英杰华科技有限公司 | Laser scalpel pen |
| CN106580469A (en) * | 2016-12-26 | 2017-04-26 | 上海旸宸医疗科技有限公司 | Output laser positioning device for fractional laser therapy system |
| CN107052573A (en) * | 2016-12-28 | 2017-08-18 | 中国电子科技集团公司第十八研究所 | Laser welding protective gas nozzle with defocusing amount positioning function |
-
2013
- 2013-12-14 CN CN201320825878.XU patent/CN203619678U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103622749A (en) * | 2013-12-14 | 2014-03-12 | 闻峰 | Laser scalpel with continuously adjustable out-of-focus distance |
| CN105708546A (en) * | 2016-04-05 | 2016-06-29 | 鞍山英杰华科技有限公司 | Laser scalpel pen |
| CN106580469A (en) * | 2016-12-26 | 2017-04-26 | 上海旸宸医疗科技有限公司 | Output laser positioning device for fractional laser therapy system |
| CN106580469B (en) * | 2016-12-26 | 2023-08-01 | 上海旸宸医疗科技有限公司 | Output laser positioning device for lattice laser treatment system |
| CN107052573A (en) * | 2016-12-28 | 2017-08-18 | 中国电子科技集团公司第十八研究所 | Laser welding protective gas nozzle with defocusing amount positioning function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20141214 |
|
| EXPY | Termination of patent right or utility model |