CN117031724A - Microscope adapter - Google Patents
Microscope adapter Download PDFInfo
- Publication number
- CN117031724A CN117031724A CN202311108645.2A CN202311108645A CN117031724A CN 117031724 A CN117031724 A CN 117031724A CN 202311108645 A CN202311108645 A CN 202311108645A CN 117031724 A CN117031724 A CN 117031724A
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- CN
- China
- Prior art keywords
- lens
- adapter
- plano
- microscope
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005499 meniscus Effects 0.000 claims abstract description 29
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 claims description 20
- 238000002834 transmittance Methods 0.000 claims description 16
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000002310 reflectometry Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000003698 laser cutting Methods 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000023597 hemostasis Effects 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/24—Base structure
- G02B21/26—Stages; Adjusting means therefor
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/0004—Microscopes specially adapted for specific applications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/02—Objectives
- G02B21/04—Objectives involving mirrors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/24—Base structure
- G02B21/248—Base structure objective (or ocular) turrets
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microscoopes, Condenser (AREA)
Abstract
The application discloses a microscope adapter, which comprises an adapter frame, a lens assembly and a universal adjusting assembly, wherein one end of the universal adjusting assembly matched with the lens assembly is provided with a reflecting mirror through a reflecting mirror bracket, and the reflecting mirror is positioned at the light emitting end of the lens assembly; one end of the universal adjusting component, which is far away from the reflecting mirror, is provided with an adjusting handle, and the reflecting mirror adjusts the position relative to the lens component through the universal adjusting component; the lens component is provided with a plano-concave lens, an aspheric meniscus lens and a plano-convex diffraction lens sequentially at one end of the laser output end, and the light emitted by the plano-convex diffraction lens is reflected by a reflecting mirror. The adapter of the application ensures that the roundness of the light spot is good when the laser cutting treatment is performed, the aspheric meniscus lens and the plano-convex diffraction lens shape the laser beam, the roundness of the light spot at the focus is good, the optical system has no light loss, and the energy distribution is more uniform compared with the existing adapter.
Description
Technical Field
The application relates to the technical field of laser microscopes, in particular to an adapter of a laser microscope.
Background
The microscope adapter belongs to a set of precise optical system, and can zoom, focus and precisely move the carbon dioxide laser emitted by the therapeutic machine in a universal way (operator control), then guide the carbon dioxide laser into a lesion part of a patient (for example, the laser is directly led to the throat part through an oral cavity by using a support throat frame) for operation, an operator can adjust the spot size of a laser beam according to the lesion requirement by adjusting a beam focusing system of the laser operation adapter, and then control the movement of the laser beam by controlling a beam moving handle of the laser operation adapter, so that the operation treatment process can be precisely completed under the direct vision of a microscope. The existing limit operation adapter has the following problems:
the laser cutting treatment has the defects of poor roundness of light spots, poor uniformity of large light spots during laser coagulation treatment, central missing of light spots and large laser energy loss.
Accordingly, based on the above technical problems, there is a need for developing a microscope adapter.
Disclosure of Invention
The application aims to provide a microscope adapter which solves a plurality of problems existing in the existing laser adapter and meets the requirements of the existing laser operation equipment and a laser therapeutic machine on the adapter structure.
In order to achieve the above object, the present application provides the following technical solutions:
a microscope adapter of the present application, the adapter comprising:
an adapter rack;
the lens assembly is integrated at one end of the adaptive frame, and the lens assembly laser emission device is adaptive and positioned at the laser output end of the laser emission device;
the universal adjusting component is fixed on the adapter frame, one end of the universal adjusting component, which is matched with the lens component, is provided with a reflecting mirror through a reflecting mirror bracket, and the reflecting mirror is positioned at the light-emitting end of the lens component;
the end, far away from the reflecting mirror, of the universal adjusting component is provided with an adjusting handle, and the reflecting mirror adjusts the position relative to the lens component through the universal adjusting component;
the lens component is characterized in that a plano-concave lens, an aspheric meniscus lens and a plano-convex diffraction lens are sequentially arranged at one end of a laser output end, and light emitted by the plano-convex diffraction lens is reflected by the reflecting mirror.
Further, one end of the adapter frame is connected with a handle rod;
the other end of the adapter frame is provided with a microscope fixing plate, and the microscope fixing plate is connected with an external microscope through a connecting component.
Further, the lens assembly includes:
a lens barrel;
the focusing hand wheel is sleeved outside the lens cone, the lower part of the focusing hand wheel is connected with a hand wheel limiting wheel, and the hand wheel limiting wheel is sleeved outside the lens cone;
the upper end of the lens barrel is provided with an adapter seat, and the lower end of the lens barrel is provided with a connecting cylinder;
the adapter seat is configured as a laser incidence end of the lens assembly, and the connecting cylinder is configured as a laser output end of the lens assembly;
the plano-concave lens is arranged in the adapter seat through an adapter seat lens locking ring, the plano-concave lens is a ZnSe plano-concave lens, and an antireflection film with the transmittance of more than or equal to 98% is plated on the surface of the plano-concave lens;
the plano-convex diffraction lens is arranged in the connecting cylinder through the connecting cylinder lens locking ring, the ZnSe plano-convex diffraction lens is selected as the plano-convex diffraction lens, and an antireflection film with the transmittance of more than or equal to 98% is plated on the surface of the plano-convex diffraction lens.
Further, a sliding lens barrel is slidably connected inside the lens barrel and close to one end of the adapter seat;
the aspherical meniscus lens is arranged in the sliding lens barrel through a lens locking ring of the sliding lens barrel, the aspherical meniscus lens is a ZnSe aspherical meniscus lens, and an antireflection film with the transmittance of more than or equal to 98% is plated on the surface of the aspherical meniscus lens;
a spiral groove channel is formed in the focusing hand wheel, a guide column is connected between the focusing hand wheel and the sliding sleeve, and one end of the guide column is embedded into the spiral groove channel of the focusing hand wheel so as to drive the sliding lens cone to move along the axial direction of the lens component through the focusing hand wheel;
the position of the lens cone, which is matched with the guide post, is provided with a long groove, and the length of the long groove is used for limiting the moving range of the sliding lens cone.
Further, a limiting wheel groove is formed in the circumferential direction of the manual limiting wheel;
two pins are fixed in the limiting wheel groove, and an included angle formed by the two pins by taking the center of the manual limiting wheel as the center of a circle is 150-160 degrees;
the manual limiting wheel is fixed with the lens barrel through a focusing locking screw.
Further, the universal adjustment assembly includes:
the support is positioned at the front end and is connected with the reflector support, the reflector support is provided with a containing groove for containing the bottom of the reflector, the reflector is fixed in the containing groove of the reflector support, and the surface of the reflector is plated with a reflecting film with the reflectivity of more than or equal to 98%;
the inner part of the outer sleeve, which is close to one end of the bracket, is provided with an outer sleeve cover;
the fixing seat is integrated in the outer sleeve; and
a movable sleeve positioned inside one end of the outer sleeve away from the bracket;
the universal adjusting assembly is provided with a supporting rod along the axial direction of the universal adjusting assembly, one end of the supporting rod is embedded into the bracket and is connected with the bracket through a screw, and the other end of the supporting rod penetrates through the outer sleeve and extends to the inside of a locking nut positioned at the tail part of the outer sleeve;
the movable sleeve is connected with the outer sleeve through a range adjusting nut, and a spacer is arranged between the range adjusting nut and the outer sleeve;
the locking nut is provided with the adjusting handle.
Further, the adjustment handle includes:
the adjusting rod ball is embedded in the locking nut; and
one end of the handle connecting rod is connected with the adjusting rod ball, the other end of the handle connecting rod penetrates through the locking nut and extends to the outside of the locking nut, and the end part of the handle connecting rod is provided with a handle;
one end of the supporting rod, which is matched with the adjusting rod ball, is provided with a small ball, and the small ball is embedded into the adjusting rod ball.
Further, the support is provided with a cylindrical pin hole, and the support is connected with the support rod through a pin embedded in the cylindrical pin hole;
the support is provided with three M2 jackscrews, and the end parts of the jackscrews are abutted against the periphery of the supporting rod;
the middle part of branch is provided with the hole, and installs the knuckle bearing in the hole, penetrate M5 screw in the middle of the knuckle bearing in order to pass through this M5 screw with the fixing base links firmly.
Further, the microscope fixing plate is provided with a positioning groove, the connecting component is provided with a positioning block, and the convex part of the positioning block is embedded into the positioning groove;
the connecting component is provided with a matching groove matched with the fixing plate, the fixing plate is embedded into the matching groove, and a locking bolt is arranged on the side face of the connecting component, and the fixing plate is fixed through the locking bolt.
In the technical scheme, the microscope adapter provided by the application has the following beneficial effects:
the adapter of the application ensures that the roundness of the light spot is good when the laser cutting treatment is performed, the aspheric meniscus lens and the plano-convex diffraction lens shape the laser beam, the roundness of the light spot at the focus is good, the optical system has no light loss, and the energy distribution is more uniform compared with the existing adapter.
When the adapter is applied to laser coagulation treatment, the uniformity of a large light spot is good, the large light spot of 6-8mm can be achieved, the laser beam is shaped by the aspheric meniscus lens and the plano-convex diffraction lens, and the roundness of the light spot at the focus is good.
The adapter of the application has small laser energy loss, znSe plano-concave lens, znSe aspheric meniscus lens and ZnSe plano-convex diffraction lens are all plated with an antireflection film with a transmittance of more than or equal to 98%, and the plane mirror is plated with a reflection film with a reflection of more than or equal to 98%, so that the total laser transmittance reaches more than 92%.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic view of a microscope adapter according to an embodiment of the present application;
FIG. 2 is a schematic view of a lens assembly of a microscope adapter according to an embodiment of the application;
fig. 3 is a schematic structural diagram of a focusing hand wheel of the microscope adapter according to the embodiment of the application;
FIG. 4 is an enlarged view of a portion of a lens assembly of a microscope adapter provided in an embodiment of the application;
FIG. 5 is a diagram of the position of a pin in a limit wheel groove of a hand wheel limit wheel of a microscope adapter provided by an embodiment of the application;
FIG. 6 is a light path diagram of a microscope adapter provided in an embodiment of the application;
FIG. 7 is a schematic diagram of a plano-convex diffraction lens of a microscope adapter provided in an embodiment of the application;
FIG. 8 is a schematic diagram of a universal adjustment assembly for a microscope adapter according to an embodiment of the application;
FIG. 9 is a cross-sectional view of a universal dispensing assembly of a microscope adapter provided in accordance with an embodiment of the present application;
FIG. 10 is a schematic view of a mounting plate and a detent of a microscope adapter according to an embodiment of the application;
FIG. 11 is a schematic view of a connection assembly of a microscope adapter according to an embodiment of the application;
fig. 12 is a schematic view of a connection structure of a connection assembly and a fixing plate of a microscope adapter according to an embodiment of the present application.
Reference numerals illustrate:
1. an adapter rack; 2. a lens assembly; 3. a universal adjustment assembly; 4. a connection assembly;
101. a handle bar;
201. a lens barrel; 202. focusing hand wheel; 203. a hand wheel limiting wheel; 204. an adapter; 205. an adapter lens locking ring; 206. a connecting cylinder; 207. a connecting barrel lens locking ring; 208. sliding lens barrel; 209. a sliding barrel lens locking ring; 210. a plano-concave lens; 211. a pin; 212. a plano-convex diffraction lens; 213. an aspherical meniscus lens; 214. a spiral groove channel; 215. a long groove; 216. a guide post; 217. focusing locking screw; 218. locking nails of a focusing hand wheel; 219. a limit wheel groove;
301. a mirror support; 302. a reflecting mirror; 303. a bracket; 304. a jacket; 305. a jacket cover; 306. a fixing seat; 307. a support rod; 308. a knuckle bearing; 309. a moving sleeve; 310. locking a nut; 311. an adjusting handle; 312. a range adjusting lock nut; 313. a spacer;
31101. adjusting the rod ball; 31102. a handle connecting rod; 31103. a handle; 31104. a pellet;
401. a locking bolt; 402. a positioning block; 403. a microscope fixing plate; 404. a positioning groove; 405. a connecting block; 406. a light splitting block; 407. and a mating groove.
Detailed Description
In order to make the technical scheme of the present application better understood by those skilled in the art, the present application will be further described in detail with reference to the accompanying drawings.
See fig. 1-12;
the present embodiment discloses a microscope adapter, the adapter includes:
an adapter rack 1;
the lens component 2 is integrated at one end of the adaptive frame 1, and the laser emitting device of the lens component 2 is adaptive and positioned at the laser output end of the laser emitting device;
the universal adjusting component 3 is fixed on the adapter frame 1, one end of the universal adjusting component 3 matched with the lens component 2 is provided with a reflecting mirror 302 through a reflecting mirror bracket 301, and the reflecting mirror 302 is positioned at the light-emitting end of the lens component 2;
the end of the universal adjusting component 3, which is far away from the reflecting mirror 302, is provided with an adjusting handle 311, and the reflecting mirror 302 adjusts the position relative to the lens component 2 through the universal adjusting component 3;
the lens assembly 2 has a plano-concave lens 210, an aspherical meniscus lens 213, and a plano-convex diffraction lens 212 arranged in this order from one end of the laser output end, and the light emitted from the plano-convex diffraction lens 212 is reflected by a reflecting mirror 302.
Specifically, the adapter of the present embodiment mainly includes an adapter frame 1, a lens assembly 2, and a universal adjustment assembly 3; wherein, a plano-concave lens 210, an aspherical meniscus lens 213, and a plano-convex diffraction lens 212 are arranged in order from the laser light incident end to the laser light output end, and reflected by a mirror 302 of the universal adjusting assembly 3 after laser light is output.
Referring to fig. 1, preferably, a handle bar 101 is connected to one end of the adapter frame 1 of the present embodiment;
the other end of the adapter frame 1 has a microscope fixing plate 403, and the microscope fixing plate 403 is connected to an external microscope through a connection assembly 4.
Referring to fig. 1, the present embodiment further defines the structure of the lens assembly, specifically:
the lens assembly 2 includes:
a lens barrel 201;
the focusing hand wheel 202 is sleeved outside the lens cone 201, the lower part of the focusing hand wheel 202 is connected with the hand wheel limiting wheel 203, and the hand wheel limiting wheel 203 is sleeved outside the lens cone 201;
the upper end of the lens barrel 201 is provided with an adapter 204, and the lower end of the lens barrel 201 is provided with a connecting cylinder 206;
the adapter 204 is configured as the laser light incident end of the lens assembly 2, and the connecting barrel 206 is configured as the laser light output end of the lens assembly 2;
the plano-concave lens 210 is mounted in the adapter 204 through the adapter lens locking ring 205, and the plano-concave lens 210 is a ZnSe plano-concave lens, and an antireflection film with a transmittance of 98% or more is plated on the surface of the plano-concave lens 210, more preferably: the plano-concave lens 210 is plated with 635nm and 10.6um antireflection film;
the connecting cylinder 206 is internally provided with a plano-convex diffraction lens 212 through a connecting cylinder lens locking ring 207, the plano-convex diffraction lens 212 is a ZnSe plano-convex diffraction lens, and the surface of the plano-convex diffraction lens 212 is plated with an antireflection film with a transmittance of more than or equal to 98%, more preferably: plano-convex diffraction lens 212 is coated with 635nm and 10.6um antireflection films, and the plane is the diffraction carved picture, and the diffraction carved area is 20mm-25mm.
Next, a sliding lens barrel 208 is slidably connected to an end of the lens barrel 201 near the adapter 204;
an aspherical meniscus lens 213 is mounted in the sliding lens barrel 208 through a sliding lens locking ring 209, and the aspherical meniscus lens 213 is a ZnSe aspherical meniscus lens, and an antireflection film with a transmittance of 98% or more is plated on the surface of the aspherical meniscus lens 213, more preferably: the aspherical meniscus lens 213 is coated with 635nm and 10.6um antireflection film;
a spiral groove channel 214 is arranged in the focusing handwheel 202, a guide post 216 is connected between the focusing handwheel 202 and the sliding sleeve 208, and one end of the guide post 216 is embedded into the spiral groove 214 channel of the focusing handwheel 202 so as to drive the sliding lens barrel 208 to move along the axial direction of the lens component 2 through the focusing handwheel 202;
the lens barrel 201 and the guide post 216 are provided with a long slot 215 at a position where they are matched, and the length of the long slot 215 is used for limiting the moving range of the sliding lens barrel 208.
In order to improve the transmittance of laser light, the lens assembly 2 of this embodiment is formed by plating an antireflection film with a transmittance of 98% or more on all of a ZnSe plano-concave lens, a ZnSe aspheric meniscus lens and a ZnSe plano-convex diffraction lens, so as to achieve an overall laser light transmittance of 92% or more. And Co2 laser is focused on a working surface through a ZnSe plano-concave lens, a ZnSe aspheric meniscus lens and a ZnSe plano-convex diffraction lens and then reflected by a plane reflector, so that the laser has the functions of focusing cutting and defocusing hemostasis. The working distance is 200-450mm, the minimum light spot diameter is 0.2mm, and the defocused light spot maximum diameter is 6mm.
The present embodiment describes the integrated position and the mounting structure of the ZnSe plano-concave lens, the ZnSe aspheric meniscus lens, and the ZnSe plano-convex diffraction lens, respectively, from the structural point of the lens assembly 2, wherein the adjusting handwheel 202 is internally provided with a spiral groove channel 214, and the focusing handwheel 202 and the sliding lens barrel 208 are connected by a guide post 216 penetrating the lens barrel 201, so as to realize the axial movement of the sliding lens barrel 208.
Preferably, the manual limiting wheel 203 of the present embodiment is circumferentially formed with a limiting wheel groove 219;
referring to fig. 5, two pins 211 are fixed in the limiting wheel groove 219, and an included angle formed by the two pins 211 by taking the center of the manual limiting wheel 203 as the center of a circle is 150 ° -160 °;
the manual limiting wheel 203 and the lens barrel 201 are fixed through a focusing locking screw 218.
In addition, the other end of the focusing handwheel 202 of the embodiment is provided with a handwheel limiting wheel 203, a focusing handwheel pin 218 is arranged in the focusing handwheel 202, and the focusing handwheel pin 218 is embedded in a groove in the circumferential direction of the handwheel limiting wheel 203. Two pins 211 are fixed in the grooves of the hand wheel limiting wheel 203, when the focusing locking screw 218 is locked, the hand wheel limiting wheel 203 is fixed, and the focusing hand wheel pin 218 is limited in the pins 211; when the focusing locking screw 218 is not locked, the hand wheel limiting wheel 203 can rotate along with the focusing hand wheel 202.
When focusing is completed (red light spot is minimum, and the cutting is performed), the focusing locking screw 218 is locked (the hand wheel limiting wheel 203 is fixed and cannot rotate at this time), and the focusing hand wheel 202 can rotate within a limited angle (the sliding lens barrel 208 moves back and forth, so that the light spot can be enlarged), and the purposes of defocusing and hemostasis are achieved.
Preferably, the universal adjustment assembly 3 of the present embodiment includes:
the support 303 that is located the front end, support 303 is connected with reflector support 301, and reflector support 301 is provided with the holding tank that is used for holding reflector 302 bottom, and reflector 302 is fixed in the holding tank of reflector support 301, and the reflector 302 surface plating has the reflectance to be greater than or equal to 98% reflectance to the reflectance membrane, more preferably: the reflector 302 of this embodiment is made of quartz or K9, and its working surface is coated with 380-680nm antireflection film, 10.6um reflection film; the reflecting mirror 302 of the present embodiment is adhered and fixed on the reflecting mirror holder 301, specifically: the adhesive may be a UV adhesive or an epoxy adhesive.
A jacket 304, wherein a jacket cover 305 is arranged inside one end of the jacket 304 close to the bracket 303;
the fixing base 306, the fixing base 306 is integrated inside the outer sleeve 304; and
a moving sleeve 309 positioned inside the end of the outer sleeve 304 remote from the bracket 303;
the universal adjusting assembly 3 is provided with a supporting rod 307 along the axial direction, one end of the supporting rod 307 is embedded into the bracket 303 and is connected with the bracket 303 through a screw, and the other end of the supporting rod 307 penetrates through the outer sleeve 304 and extends to the inside of a locking nut 310 positioned at the tail part of the outer sleeve 304;
the movable sleeve 309 is connected with the outer sleeve 304 through a range adjusting nut 312, and a spacer 313 is arranged between the range adjusting nut 312 and the outer sleeve 304;
the locking nut 310 is provided with an adjusting handle 311.
The universal adjusting assembly 3 of this embodiment controls the handle to adjust the laser spot position, adjusts the plane adjustment range through the range adjustment lock nut 312, can realize the plane adjustment range: laser radiation range: the minimum is 20mm, the maximum is 80 mm, the spiral groove is arranged in the driving focusing hand wheel 202, the guide post 216 is fixed on the sliding lens barrel 208, the upper portion of the guide post 216 is embedded into the spiral groove channel 214 of the focusing hand wheel 202, the focusing hand wheel 202 is rotated, the sliding lens barrel 208 is driven to move forwards and backwards, and the purpose of adjusting the focal length is achieved.
Wherein, adjustment handle 311 of this embodiment includes:
a regulating lever ball 31101 embedded in the locking nut 310; and
a handle bar 31102 having one end connected to the adjustment lever ball 31101 and the other end passing through the locking nut 310 and extending to the outside of the locking nut 310, the handle bar 31102 having a handle 31103 at an end thereof;
the end of the rod 307 which cooperates with the adjustment lever ball 31101 is provided with a small ball 31104, and the small ball 31104 is embedded inside the adjustment lever ball 31101.
This embodiment further defines the structure of the universal adjustment assembly 3, which is axially perforated with struts 307 and outermost with a jacket 304.
Preferably, the bracket 303 of the present embodiment is provided with a cylindrical pin hole, and the bracket 303 is connected with the supporting rod 307 through a pin embedded in the cylindrical pin hole;
the middle part of the supporting rod 307 is provided with a hole, a joint bearing 308 is arranged in the hole, and an M5 screw is penetrated into the middle of the joint bearing 308 so as to be fixedly connected with the fixing seat 306 through the M5 screw.
Preferably, the microscope fixing plate 403 of the present embodiment is provided with a positioning slot 404, the connecting component 4 is provided with a positioning block 402, and the convex part of the positioning block 402 is embedded into the positioning slot 404;
the connection assembly 4 has a fitting groove 407 fitted with the fixing plate 403, the fixing plate 403 is fitted into the fitting groove 407, and the connection assembly 4 is provided with a later locking bolt 401 on the side and the fixing plate 403 is fixed by the locking bolt 401. The adapter frame 1 is fixedly provided with a light splitting block 406, the upper part of the light splitting block forms an angle of 120-130 degrees, and the surface is subjected to black roughening treatment, so that light illuminated by a microscope is reduced and reflected into an eyepiece of the microscope.
In the technical scheme, the microscope adapter provided by the application has the following beneficial effects:
the adapter of the application ensures that the roundness of the light spot is good when the laser cutting treatment is performed, the aspheric meniscus lens 213 and the plano-convex diffraction lens 212 shape the laser beam, the roundness of the light spot at the focus is good, the optical system has no light loss, and the energy distribution is more uniform compared with the existing adapter.
When the adapter is applied to laser coagulation treatment, the uniformity of a large light spot is good, the large light spot of 6-8mm can be achieved, the aspherical meniscus lens 213 and the plano-convex diffraction lens 212 shape laser beams, and the roundness of the light spot at a focus is good.
The adapter of the application has small laser energy loss, znSe plano-concave lens, znSe aspheric meniscus lens and ZnSe plano-convex diffraction lens are all plated with an antireflection film with a transmittance of more than or equal to 98%, and the plane mirror is plated with a reflection film with a reflection of more than or equal to 98%, so that the total laser transmittance reaches more than 92%.
While certain exemplary embodiments of the present application have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the application, which is defined by the appended claims.
Claims (9)
1. A microscope adapter, the adapter comprising:
an adapter rack (1);
the lens component (2) is integrated at one end of the adaptive frame (1), and the lens component (2) is adaptive to the laser emission device and is positioned at the laser output end of the laser emission device;
the universal adjusting component (3) is fixed on the adapter frame (1), one end, matched with the lens component (2), of the universal adjusting component (3) is provided with a reflecting mirror (302) through a reflecting mirror bracket (301), and the reflecting mirror (302) is positioned at the light emitting end of the lens component (2);
an adjusting handle (311) is arranged at one end, far away from the reflecting mirror (302), of the universal adjusting assembly (3), and the reflecting mirror (302) adjusts the position relative to the lens assembly (2) through the universal adjusting assembly (3);
the lens component (2) is characterized in that a plano-concave lens (210), an aspheric meniscus lens (213) and a plano-convex diffraction lens (212) are sequentially arranged at one end of a laser output end, and light emitted by the plano-convex diffraction lens (212) is reflected by the reflecting mirror (302).
2. The microscope adapter according to claim 1, characterized in that a handle bar (101) is connected to one end of the adapter rack (1);
the other end of the adapter frame (1) is provided with a microscope fixing plate (403), and the microscope fixing plate (403) is connected with an external microscope through a connecting component (4).
3. The microscope adapter according to claim 1, characterized in that the lens assembly (2) comprises:
a lens barrel (201);
the focusing hand wheel (202) is sleeved outside the lens cone (201), the lower part of the focusing hand wheel (202) is connected with a hand wheel limiting wheel (203), and the hand wheel limiting wheel (203) is sleeved outside the lens cone (201);
the upper end of the lens barrel (201) is provided with a adapter (204), and the lower end of the lens barrel (201) is provided with a connecting cylinder (206);
the adapter (204) is configured as a laser incidence end of the lens assembly (2), and the connecting cylinder (206) is configured as a laser output end of the lens assembly (2);
the plano-concave lens (210) is arranged in the adapter seat (204) through an adapter seat lens locking ring (205), the plano-concave lens (210) is a ZnSe plano-concave lens, and an antireflection film with the transmittance of more than or equal to 98% is plated on the surface of the plano-concave lens (210);
the plano-convex diffraction lens (212) is arranged in the connecting cylinder (206) through a connecting cylinder lens locking ring (207), the plano-convex diffraction lens (212) is a ZnSe plano-convex diffraction lens, and an antireflection film with the transmittance of more than or equal to 98% is plated on the surface of the plano-convex diffraction lens (212).
4. A microscope adapter according to claim 3, characterised in that a sliding barrel (208) is slidingly connected inside the barrel (201) near one end of the adaptor (204);
the aspherical meniscus lens (213) is arranged in the sliding lens barrel (208) through a sliding lens barrel lens locking ring (209), the aspherical meniscus lens (213) is a ZnSe aspherical meniscus lens, and an antireflection film with the transmittance of more than or equal to 98% is plated on the surface of the aspherical meniscus lens (213);
a spiral groove channel (214) is formed in the focusing hand wheel (202), a guide column (216) is connected between the focusing hand wheel (202) and the sliding sleeve (208), and one end of the guide column (216) is embedded into the spiral groove channel (214) of the focusing hand wheel (202) so as to drive the sliding lens cone (208) to move along the axial direction of the lens component (2) through the focusing hand wheel (202);
and a long groove (215) is formed in the position where the lens barrel (201) is matched with the guide post (216), and the grooving length of the long groove (215) is used for limiting the moving range of the sliding lens barrel (208).
5. A microscope adapter according to claim 3, characterised in that the manual limit wheel (203) is formed circumferentially with limit wheel grooves (219);
two pins (211) are fixed in the limit wheel groove (219), and an included angle formed by the two pins (211) by taking the center of the manual limit wheel (203) as the center of a circle is 150-160 degrees;
the manual limiting wheel (203) and the lens barrel (201) are fixed through a focusing locking screw (217).
6. The microscope adapter according to claim 1, characterized in that the universal adjustment assembly (3) comprises:
the support (303) is positioned at the front end, the support (303) is connected with the reflector support (301), the reflector support (301) is provided with a containing groove for containing the bottom of the reflector (302), the reflector (302) is fixed in the containing groove of the reflector support (301), and the surface of the reflector (302) is plated with a reflecting film with the reflectivity of more than or equal to 98%;
a jacket (304), wherein a jacket cover (305) is arranged inside the jacket (304) close to one end of the bracket (303);
the fixing seat (306), the fixing seat (306) is integrated inside the outer sleeve (304); and
a mobile sleeve (309) located inside the end of the outer sleeve (304) remote from the bracket (303);
the universal adjusting assembly (3) is provided with a supporting rod (307) along the axial direction of the universal adjusting assembly, one end of the supporting rod (307) is embedded into the bracket (303) and is connected with the bracket (303) through a screw, and the other end of the supporting rod (307) penetrates through the outer sleeve (304) and extends to the inside of a locking nut (310) positioned at the tail part of the outer sleeve (304);
the movable sleeve (309) is connected with the outer sleeve (304) through a range adjusting nut (312), and a spacer (313) is arranged between the range adjusting nut (312) and the outer sleeve (304);
the locking nut (310) is provided with the adjusting handle (311).
7. The microscope adapter according to claim 6, characterized in that the adjustment handle (311) comprises:
a regulating rod ball (31101) embedded in the locking nut (310); and
a handle connection rod (31102) with one end connected with the adjusting rod ball (31101) and the other end passing through the locking nut (310) and extending to the outside of the locking nut (310), the end of the handle connection rod (31102) is provided with a handle (31103);
one end of the supporting rod (307) matched with the adjusting rod ball (31101) is provided with a small ball (31104), and the small ball (31104) is embedded into the adjusting rod ball (31101).
8. The microscope adapter according to claim 7, characterized in that the bracket (303) is provided with a cylindrical pin hole, the bracket (303) and the strut (307) being connected by a pin embedded in the cylindrical pin hole;
the support (303) is provided with three M2 jackscrews, and the end parts of the jackscrews are abutted against the periphery of the supporting rod (307);
the middle part of branch (307) is provided with the hole, and installs knuckle bearing (308) in the hole, penetrate M5 screw in the middle of knuckle bearing (308) in order to pass through this M5 screw with fixing base (306) are linked firmly.
9. The microscope adapter according to claim 2, characterized in that the microscope fixing plate (403) is provided with a positioning groove (404), the connecting assembly (4) is provided with a positioning block (402), and a protrusion of the positioning block (402) is embedded into the positioning groove (404);
the connecting component (4) is provided with a matching groove (407) matched with the microscope fixing plate (403), the microscope fixing plate (403) is embedded into the matching groove (407), and the side surface of the connecting component (4) is provided with a later locking bolt (401), and the microscope fixing plate (403) is fixed through the locking bolt (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311108645.2A CN117031724B (en) | 2023-08-31 | Microscope adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311108645.2A CN117031724B (en) | 2023-08-31 | Microscope adapter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117031724A true CN117031724A (en) | 2023-11-10 |
| CN117031724B CN117031724B (en) | 2024-05-10 |
Family
ID=
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4494540A (en) * | 1982-11-02 | 1985-01-22 | Erb Robert C | Universal microslad |
| US5291336A (en) * | 1991-07-02 | 1994-03-01 | Gregory M Miles | Microbeam holder |
| EP1216431A1 (en) * | 2000-04-18 | 2002-06-26 | GRINBLAT, Avi | Microscope camera adapter with control motors |
| CN104181693A (en) * | 2014-09-09 | 2014-12-03 | 深圳市大族激光科技股份有限公司 | Diffraction limit laser beam expanding system and laser machining equipment |
| CN204207842U (en) * | 2014-11-11 | 2015-03-18 | 吉林省科英激光技术有限责任公司 | A kind of Novel reflection-type laser micro-surgery adapter |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4494540A (en) * | 1982-11-02 | 1985-01-22 | Erb Robert C | Universal microslad |
| US5291336A (en) * | 1991-07-02 | 1994-03-01 | Gregory M Miles | Microbeam holder |
| EP1216431A1 (en) * | 2000-04-18 | 2002-06-26 | GRINBLAT, Avi | Microscope camera adapter with control motors |
| CN104181693A (en) * | 2014-09-09 | 2014-12-03 | 深圳市大族激光科技股份有限公司 | Diffraction limit laser beam expanding system and laser machining equipment |
| CN204207842U (en) * | 2014-11-11 | 2015-03-18 | 吉林省科英激光技术有限责任公司 | A kind of Novel reflection-type laser micro-surgery adapter |
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