CN114632268A - Two-dimensional adjustable optical double-lens holder - Google Patents

Two-dimensional adjustable optical double-lens holder Download PDF

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Publication number
CN114632268A
CN114632268A CN202210272312.2A CN202210272312A CN114632268A CN 114632268 A CN114632268 A CN 114632268A CN 202210272312 A CN202210272312 A CN 202210272312A CN 114632268 A CN114632268 A CN 114632268A
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lens
rotating shaft
fixedly connected
light
mounting groove
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CN202210272312.2A
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CN114632268B (en
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吴来新
徐良德
白玉
王志
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Eye Valley Wenzhou Technology Development Co ltd
Wenzhou Optometry International Innovation Center
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Eye Valley Wenzhou Technology Development Co ltd
Wenzhou Optometry International Innovation Center
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Publication of CN114632268A publication Critical patent/CN114632268A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N5/0613—Apparatus adapted for a specific treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/0079—Methods or devices for eye surgery using non-laser electromagnetic radiation, e.g. non-coherent light or microwaves
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
    • G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
    • G02B7/1821—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors for rotating or oscillating mirrors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
    • G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
    • G02B7/198—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors with means for adjusting the mirror relative to its support
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0664—Details
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0664—Details
    • A61N2005/0665—Reflectors

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  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • General Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Electromagnetism (AREA)
  • Surgery (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Prostheses (AREA)

Abstract

The invention discloses a two-dimensional adjustable optical double-lens holder which comprises an indicating light generator, a surgical light generator, an imaging structure, a dimming assembly and a fixing structure, wherein the dimming assembly comprises a first lens, a second lens, a first base and a second base; the fixing structure comprises a fixing plate, a first connecting piece and a second connecting piece, wherein the first connecting piece and the second connecting piece are fixedly connected with the fixing plate; the indication light generator emits indication light to the dimming assembly, the surgical light generator emits surgical light to the dimming assembly, and the imaging structure receives light reflected by the dimming assembly.

Description

Two-dimensional adjustable optical double-lens holder
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a two-dimensional adjustable optical double-lens holder.
Background
Keratoconus is a disease characterized by corneal ectasia, wherein the central area beside the cornea is protruded and thinned, irregular astigmatism is gradually generated, and persistent vision is reduced, and the disease is often related to genes and also related to the living habits (such as frequent eye rubbing) of patients. Corneal cross-linking is a common treatment for keratoconus.
When vision declines, the patient needs to wear a hard contact lens RGP to obtain better vision. In the past, when the vision becomes poor, the tissue transparency and refractive power can be recovered only by corneal transplantation, and the corneal collagen cross-linking operation can change the biomechanical property of the cornea through light irradiation in the progressive stage of disease so as to remold and reinforce the tissue, thereby delaying the progress of the disease.
The principle of the corneal cornea crosslinking operation is that firstly riboflavin is dropped into eyes, the riboflavin permeates corneal stroma after sufficient time, the ultraviolet light and the riboflavin generate biochemical reaction through the ultraviolet light irradiation, the connection of collagen fibers in the corneal stroma is strengthened, the forward protrusion of the cornea caused by insufficient collagen strength can be delayed or blocked, and the corneal cornea crosslinking operation is mainly used for treating progressive dilated corneal diseases and can also be used for patients needing strengthening the corneal strength in the myopia operation correction.
At present, the reflected light lens holder of the corneal crosslinking therapeutic apparatus is designed and produced abroad, or the device is not provided, so that the problems exist: (1) inability to adjust the position of a particular surgical light or difficulty in adjustment; (2) the position of the infrared reflection image is not adjustable or is difficult to adjust; (3) the operation light, the indication light and the infrared reflection image cannot be combined.
The invention aims at the problems and provides a two-dimensional adjustable optical double-lens holder.
Disclosure of Invention
In order to overcome the problems in the background art, the invention adopts the following technical scheme:
a two-dimensional adjustable optical double-lens clamp comprises an indicating light generator, a surgical light generator, an imaging structure, a dimming assembly and a fixing structure, wherein the dimming assembly comprises a first lens, a second lens, a first base and a second base, the first base is fixedly connected with the first lens, and the second base is fixedly connected with the second lens; the fixing structure comprises a fixing plate, a first connecting piece and a second connecting piece, wherein the first connecting piece and the second connecting piece are fixedly connected with the fixing plate; the indication light generator emits indication light to the dimming assembly, the surgical light generator emits surgical light to the dimming assembly, and the imaging structure receives light reflected by the dimming assembly.
Further, the first lens is positioned above the second lens in the use state, the first lens comprises a first coating surface and a first non-coating surface, and the second lens comprises a second coating surface and a second non-coating surface; the coated surface of the first lens faces downwards, and the uncoated surface of the first lens faces the indicating light; the second coating surface of the second lens faces downwards, the second coating surface of the second lens faces surgical light, and the second non-coating surface of the second lens faces indication light.
Furthermore, the reflectivity of the coating surface of the first lens to light with the wavelength of 750-1125nm is more than 90 percent, and the transmittance of the coating surface of the first lens to light with the wavelength of 425-675nm is more than 85 percent; the reflectivity of the coating surface of the second lens to light with the wavelength of 193nm is more than 90 percent, the reflectivity of the coating surface of the second lens to light with the wavelength of 635nm is more than 30 percent, the transmissivity of the coating surface of the second lens to light with the wavelength of 850-880nm is more than 60 percent, and the transmissivity of the coating surface of the second lens to light with the wavelength of 635nm is more than 99 percent. This arrangement can be implemented: the indicating light vertically passes through the first lens and the second lens, the indicating light vertically reaches the target position, the operating light irradiates the second coating surface of the second lens, the operating light is reflected to the illumination line where the indicating light is located by the second coating surface, the indicating light and the operating light form an illumination combination, and the infrared light with the wavelength of 850-880nm in the environment penetrates through the second lens and is reflected to the imaging structure by the first coating surface of the first lens.
Further, the imaging structure is an infrared camera, and the infrared camera receives infrared light reflected by the first lens.
Furthermore, the first lens comprises a first frame, the first lens is embedded into the first frame, the first lens is fixedly connected with the first frame, and the first frame is fixedly connected with the first base; the second lens comprises a second frame, the second lens is embedded into the second frame, the second lens is fixedly connected with the second frame, and the second frame is fixedly connected with the second base.
Furthermore, the dimming assembly is respectively arranged at the bottoms of the first base and the second base and comprises a first connecting piece, a second connecting piece, a first sleeve piece and a second sleeve piece, wherein one end of the first connecting piece is fixedly connected with the first base, and the other end of the first connecting piece is fixedly connected with the first sleeve piece; one end of the second connecting piece is fixedly connected with the second base, and the other end of the second connecting piece is fixedly connected with the second sleeve part; the first sleeve part drives the first connecting part to rotate, and the second sleeve part drives the second connecting part to rotate. In the arrangement, the first lens and the second lens are driven to rotate by the first sleeve part and the second sleeve part, so that the angle adjustment of the first lens and the second lens is realized.
Furthermore, the first connecting piece and the second connecting piece are both cylinders.
Furthermore, the sleeve part I comprises a driving part I and a driven part I, the top of the driven part I is fixedly connected with the connecting part I, and the bottom of the driven part I is meshed with the driving part I; the second sleeve part comprises a second driving part and a second driven part, the top of the second driven part is fixedly connected with the second connecting part, and the bottom of the second driven part is meshed with the second driving part. When the glasses are used, the driving piece I is rotated, the driving piece drives the driven piece I to rotate, and the driven piece I and the connecting piece move synchronously, so that the first glasses lens rotate; rotating the driving part II, driving the driven part II to rotate by the driving part II, and synchronously moving the driven part II and the connecting part II so as to rotate the lens II; the angle adjustment of the first lens and the second lens is realized.
Furthermore, the driving part I comprises a first rotating shaft and a first rotating handle, the first rotating shaft comprises a first end and a second end, the first end of the first rotating shaft is meshed with the first driven part, and the second end of the first rotating shaft is fixedly connected with the first rotating handle; the second driving part comprises a second rotating shaft and a second rotating handle, the second rotating shaft comprises a first end and a second end, the first end of the second rotating shaft is meshed with the second driven part, and the second end of the second rotating shaft is fixedly connected with the second rotating handle. When the device is used, the first rotating handle and the second rotating handle are rotated to provide driving force for the first driving part and the second driving part.
Further, the first rotating shaft comprises a first gear, and the second rotating shaft comprises a second gear; the first driven part comprises a first tooth groove, and the second driven part comprises a second tooth groove; the first gear is meshed with the first tooth groove, and the second gear is meshed with the second tooth groove.
Furthermore, the sections of the first driven part and the second driven part are T-shaped, and the fixing structure comprises a first mounting groove and a second mounting groove which are matched with the first driven part and the second driven part in shape.
Furthermore, the sections of the first rotating shaft and the second rotating shaft are in an I shape, the fixing structure comprises a third mounting groove and a fourth mounting groove, the third mounting groove and the fourth mounting groove are matched with the first rotating shaft and the second rotating shaft in shape, the third mounting groove is communicated with the first mounting groove, and the fourth mounting groove is communicated with the second mounting groove; the mounting groove III comprises a first opening facing the first rotating handle, and the inner diameter of the first opening is smaller than the diameters of two ends of the first rotating shaft and larger than the diameter of the middle part of the first rotating shaft; the mounting groove IV comprises a second opening, the second opening faces the second rotating handle, and the inner diameter of the second opening is smaller than the diameters of two ends of the second rotating shaft and larger than the diameter of the middle of the second rotating shaft; the first rotating shaft and the second rotating shaft extend out. In this arrangement, the first and second shafts cannot be disengaged from the fixing structure.
Furthermore, the depth of the mounting groove III is not less than the length of the two ends of the rotating shaft I, and the depth of the mounting groove IV is not less than the length of the two ends of the rotating shaft II. When the lens adjusting device is used, the position of the first rotating shaft can be moved, so that the first rotating shaft is separated from the first tooth groove and the position of the first lens is not adjusted, and the position of the second rotating shaft is moved, so that the second rotating shaft is separated from the second tooth groove and the position of the second lens is not adjusted.
Furthermore, the fixed structure comprises a mounting groove five matched with the first connecting piece and a mounting groove six matched with the second connecting piece.
Furthermore, the inner walls of the mounting groove five and the mounting groove six comprise limiting pieces. The limiting piece is used for improving the friction force between the mounting groove five and the connecting piece I, and between the mounting groove six and the connecting piece II.
Furthermore, the limiting piece comprises a first anti-slip gasket and a second anti-slip gasket, the first anti-slip gasket is positioned between the fifth mounting groove and the outer wall of the first connecting piece, and the first anti-slip gasket is fixedly connected with the inner wall of the fifth mounting groove; and the second anti-slip gasket is positioned between the sixth mounting groove and the outer wall of the second connecting piece, and the second anti-slip gasket is fixedly connected with the inner wall of the sixth mounting groove. The arrangement has the function of limiting the first connecting piece and the second connecting piece.
Further, the fixing structure is a rectangular block structure.
The invention has the beneficial effects that: according to the invention, the two customized lenses and the fixed structure form relatively stable connection, so that the specific operation light and the infrared reflection image can accurately appear at the preset positions respectively through fine adjustment while the infrared reflection image is obtained, and the specific operation light, the infrared reflection image and the indicating light are combined.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic diagram of a single dimming module according to the present invention;
FIG. 4 is a schematic view of the bottom structure of FIG. 3;
FIG. 5 is a schematic diagram of the driving member and the driven member separated according to the present invention;
FIG. 6 is a schematic cross-sectional view of the fixing structure according to the present invention;
FIG. 7 is a cross-sectional view of the sleeve assembly of the present invention;
FIG. 8 is a schematic view of adjusting the angles of a first lens and a second lens according to the present invention;
fig. 9 is a schematic diagram of the optical combining of the present invention;
FIG. 10 is a schematic diagram illustrating the effect of adjusting light spots according to the present invention;
in the figure, 1, a first lens; 11. a first base; 12. a first frame; 2. a second lens; 21. a second base; 22. a second frame; 31. a first connecting piece; 32. a second connecting piece; 41. a first rotating shaft; 411. a first gear; 42. rotating the first handle; 43. a second rotating shaft; 431. a second gear; 44. rotating the second handle; 51. a first driven part; 52. a first tooth groove; 53. a second driven member; 54. a tooth socket II; 6. a fixed structure; 61. a first mounting groove; 62. a second mounting groove; 63. a third mounting groove; 64. a fourth mounting groove; 65. mounting a groove V; 66. and a sixth mounting groove.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below by specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and other advantages and effects of the present invention can be easily understood by those skilled in the art from the disclosure of the present specification. The present invention can be implemented or applied by other different specific embodiments, and the features in the following embodiments and examples can be combined with each other without conflict, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts based on the embodiments in the present invention shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-2, the two-dimensional adjustable optical dual-lens gripper in this embodiment includes an indication light generator, a surgical light generator, an imaging structure, a light modulation component and a fixing structure 6, where the light modulation component includes a first lens 1, a second lens 2, a first base 11 and a second base 21, the first base 11 is fixedly connected to the first lens 1, and the second base 21 is fixedly connected to the second lens 2; the fixed structure 6 comprises a fixed plate, a first connecting piece 31 and a second connecting piece 32, wherein the first connecting piece 31 and the second connecting piece 32 are fixedly connected with the fixed plate, a first base 11 is movably connected with the first connecting piece 31, and a second base 21 is movably connected with the second connecting piece 32; the indication light generator emits indication light to the dimming assembly, the surgical light generator emits surgical light to the dimming assembly, and the imaging structure receives light reflected by the dimming assembly.
The present embodiment specifically sets the characteristics of the first lens 1 and the second lens 2: the first lens 1 is positioned above the second lens 2 in a use state, the first lens 1 comprises a first coating surface and a first non-coating surface, and the second lens 2 comprises a second coating surface and a second non-coating surface; the coated surface of the first lens 1 faces downwards, and the uncoated surface of the first lens 1 faces the indicating light; the second coated surface of the second lens 2 faces downwards, the second coated surface of the second lens 2 faces the operation light, and the second uncoated surface of the second lens 2 faces the indication light.
The reflectivity of the coating surface of the lens I1 to light with the wavelength of 750-1125nm is more than 90 percent, and the transmissivity of the lens I1 to light with the wavelength of 425-675nm is more than 85 percent; the reflectivity of the coating surface of the second lens 2 to light with the wavelength of 193nm is more than 90 percent, the reflectivity of the coating surface of the second lens 2 to light with the wavelength of 635nm is more than 30 percent, the transmissivity of the coating surface of the second lens 2 to light with the wavelength of 850-880nm is more than 60 percent, and the transmissivity of the second lens 2 to light with the wavelength of 635nm is more than 99 percent. This arrangement can be implemented: the indicating light vertically passes through the first lens 1 and the second lens 2, the indicating light vertically reaches the target position, the operating light irradiates the second coating surface of the second lens 2, the operating light is reflected to the illumination line where the indicating light is located by the second coating surface, the indicating light and the operating light form an illumination combination, and the infrared light with the wavelength of 850-880nm in the environment penetrates through the second lens 2 and is reflected to the imaging structure by the first coating surface of the first lens 1.
The first lens 1 comprises a first frame 12, the first lens 1 is embedded into the first frame 12, the first lens 1 is fixedly connected with the first frame 12, and the first frame 12 is fixedly connected with the first base 11; the second lens 2 comprises a second frame 22, the second lens 2 is embedded into the second frame 22, the second lens 2 is fixedly connected with the second frame 22, and the second frame 22 is fixedly connected with the second base 21.
The dimming assembly is respectively arranged at the bottoms of the first base 11 and the second base 21 and comprises a first connecting piece 31, a second connecting piece 32, a first sleeve piece and a second sleeve piece, wherein one end of the first connecting piece 31 is fixedly connected with the first base 11, and the other end of the first connecting piece 31 is fixedly connected with the first sleeve piece; one end of the second connecting piece 32 is fixedly connected with the second base 21, and the other end of the second connecting piece is fixedly connected with the second sleeve piece; the sleeve part drives the first connecting piece 31 to rotate, and the sleeve part drives the second connecting piece 32 to rotate. In the arrangement, the first sleeve part and the second sleeve part drive the first lens 1 and the second lens 2 to rotate, so that the angle adjustment of the first lens 1 and the second lens 2 is realized.
The fixing structure 6 is a rectangular block structure.
Example 2
As shown in fig. 3-4, the sleeve assembly is configured to: the first connecting piece 31 and the second connecting piece 32 are both cylinders.
The sleeve part I comprises a driving part I and a driven part I51, the top of the driven part I51 is fixedly connected with the connecting part I31, and the bottom of the driven part I51 is meshed with the driving part I; the second sleeve part comprises a second driving part and a second driven part 53, the top of the second driven part 53 is fixedly connected with the second connecting part 32, and the bottom of the second driven part 53 is meshed with the second driving part. When the spectacle lens is used, the first driving part is rotated, the first driving part drives the first driven part 51 to rotate, and the first driven part 51 and the first connecting part 31 synchronously move, so that the first lens 1 rotates; rotating the second driving part, wherein the second driving part drives the second driven part 53 to rotate, and the second driven part 53 and the second connecting part 32 move synchronously, so that the second lens 2 rotates; the angle adjustment of the first lens 1 and the second lens 2 is realized.
Example 3
As shown in fig. 5 to 10, the present embodiment provides the following specific arrangements of the sleeve member and the fixing structure 6: the driving part I comprises a first rotating shaft 41 and a first rotating handle 42, the first rotating shaft 41 comprises a first end and a second end, the first end of the first rotating shaft 41 is meshed with the first driven part 51, and the second end of the first rotating shaft 41 is fixedly connected with the first rotating handle 42; the second driving part comprises a second rotating shaft 43 and a second rotating handle 44, the second rotating shaft 43 comprises a first end and a second end, the first end of the second rotating shaft 43 is meshed with the second driven part 53, and the second end of the second rotating shaft 43 is fixedly connected with the second rotating handle 44. In use, the first rotating handle 42 and the second rotating handle 44 are rotated to provide driving force for the first driving part and the second driving part.
The first rotating shaft 41 comprises a first gear 411, and the second rotating shaft 43 comprises a second gear 431; the first driven part 51 comprises a first toothed slot 52, and the second driven part 53 comprises a second toothed slot 54; gear one 411 meshes with gear slot one 52, and gear two 431 meshes with gear slot two 54.
The first driven part 51 and the second driven part 53 are T-shaped in cross section, and the fixing structure 6 comprises a first mounting groove 61 and a second mounting groove 62 which are matched with the first driven part 51 and the second driven part 53 in shape.
The sections of the first rotating shaft 41 and the second rotating shaft 43 are in an I shape, the fixing structure 6 comprises a mounting groove III 63 and a mounting groove IV 64, the mounting groove III 63 is matched with the first rotating shaft 41 and the second rotating shaft 43 in shape, the mounting groove III 63 is communicated with the mounting groove I61, and the mounting groove IV 64 is communicated with the mounting groove II 62; the mounting groove III 63 comprises a first opening facing the first rotating handle 42, and the inner diameter of the first opening is smaller than the diameters of the two ends of the first rotating shaft 41 and larger than the diameter of the middle part of the first rotating shaft 41; the mounting groove IV 64 comprises a second opening, the second opening faces the second rotating handle 44, and the inner diameter of the second opening is smaller than the diameters of the two ends of the second rotating shaft 43 and larger than the diameter of the middle of the second rotating shaft 43; the first rotating shaft 41 and the second rotating shaft 43 extend out. In this arrangement, the first rotating shaft 41 and the second rotating shaft 43 do not fall out of the fixing structure 6.
The depth of the mounting groove III 63 is not less than the length of the two ends of the rotating shaft I41, and the depth of the mounting groove IV 64 is not less than the length of the two ends of the rotating shaft II 43. When the lens is used, the position of the first rotating shaft 41 can be moved, so that the first rotating shaft 41 is separated from the first tooth groove 52, the position of the first lens 1 is not adjusted, the position of the second rotating shaft 43 is moved, the second rotating shaft 43 is separated from the second tooth groove 54, and the position of the second lens 2 is not adjusted.
The fixed structure 6 comprises a mounting groove five 65 matched with the first connecting piece 31 and a mounting groove six 66 matched with the second connecting piece 32.
The inner walls of the mounting grooves five 65 and six 66 comprise limiting pieces. The limiting piece is used for improving the friction force between the mounting groove five 65 and the connecting piece one 31, and between the mounting groove six 66 and the connecting piece two 32, so that the positions of the lens one 1 and the lens two 2 are limited.
The limiting piece comprises a first anti-slip gasket and a second anti-slip gasket, the first anti-slip gasket is positioned between the fifth mounting groove 65 and the outer wall of the first connecting piece 31, and the first anti-slip gasket is fixedly connected with the inner wall of the fifth mounting groove 65; the second anti-slip gasket is positioned between the six mounting grooves 66 and the outer wall of the second connecting piece 32, and the second anti-slip gasket is fixedly connected with the inner wall of the six mounting grooves 66. This arrangement acts as a stop for the first 31 and second 32 connectors.
The above description of the embodiments is only for the understanding of the present invention. It should be noted that modifications could be made to the invention without departing from the principle of the invention, which would also fall within the scope of the claims of the invention.

Claims (10)

1. A two-dimensional adjustable optical double-lens holder comprises an indicating light generator, a surgical light generator, an imaging structure, a dimming assembly and a fixing structure, and is characterized in that the dimming assembly comprises a first lens, a second lens, a first base and a second base, wherein the first base is fixedly connected with the first lens, and the second base is fixedly connected with the second lens; the fixing structure comprises a fixing plate, a first connecting piece and a second connecting piece, wherein the first connecting piece and the second connecting piece are fixedly connected with the fixing plate; the indication light generator emits indication light to the dimming assembly, the surgical light generator emits surgical light to the dimming assembly, and the imaging structure receives light reflected by the dimming assembly.
2. A two-dimensionally adjustable optical dual lens holder as defined in claim 1, wherein in use the first lens is positioned over the second lens, the first lens comprising a coated side one and a non-coated side one, and the second lens comprising a coated side two and a non-coated side two; the coated surface of the first lens faces downwards, and the uncoated surface of the first lens faces the indicating light; the second coating surface of the second lens faces downwards, the second coating surface of the second lens faces surgical light, and the second non-coating surface of the second lens faces indication light.
3. The two-dimensional adjustable optical dual lens holder as claimed in claim 2, wherein the reflectivity of the coating surface of the first lens to 750-1125nm light is greater than 90%, and the transmittance of the coating surface of the first lens to 425-675nm light is greater than 85%; the reflectivity of the coating surface of the second lens to light with the wavelength of 193nm is more than 90 percent, the reflectivity of the coating surface of the second lens to light with the wavelength of 635nm is more than 30 percent, the transmissivity of the coating surface of the second lens to light with the wavelength of 850-880nm is more than 60 percent, and the transmissivity of the coating surface of the second lens to light with the wavelength of 635nm is more than 99 percent.
4. A two-dimensionally adjustable optical dual-lens holder as recited in claim 3, wherein said first lens piece includes a first rim, the first lens piece is embedded in the first rim, the first lens piece is fixedly connected to the first rim, and the first rim piece is fixedly connected to the first base; the second lens comprises a second frame, the second lens is embedded into the second frame, the second lens is fixedly connected with the second frame, and the second frame is fixedly connected with the second base.
5. The two-dimensional adjustable optical double-lens holder according to any one of claims 1 to 4, wherein the dimming component is respectively arranged at the bottom of the first base and the second base, and comprises a first connecting member, a second connecting member, a first sleeve member and a second sleeve member, wherein one end of the first connecting member is fixedly connected with the first base, and the other end of the first connecting member is fixedly connected with the first sleeve member; one end of the second connecting piece is fixedly connected with the second base, and the other end of the second connecting piece is fixedly connected with the second sleeve part; the first sleeve part drives the first connecting part to rotate, and the second sleeve part drives the second connecting part to rotate.
6. A two-dimensionally adjustable optical double lens holder according to claim 5, wherein said sleeve member one comprises a first driving member and a first driven member, a top portion of the first driven member being fixedly connected to the first connecting member, a bottom portion of the first driven member being engaged with the first driving member; the second sleeve part comprises a second driving part and a second driven part, the top of the second driven part is fixedly connected with the second connecting part, and the bottom of the second driven part is meshed with the second driving part.
7. A two-dimensionally adjustable optical dual lens holder as defined in claim 6, wherein the first driving member comprises a first rotating shaft and a first rotating handle, the first rotating shaft comprises a first end and a second end, the first end of the first rotating shaft is engaged with the first driven member, and the second end of the first rotating shaft is fixedly connected with the first rotating handle; the second driving part comprises a second rotating shaft and a second rotating handle, the second rotating shaft comprises a first end and a second end, the first end of the second rotating shaft is meshed with the second driven part, and the second end of the second rotating shaft is fixedly connected with the second rotating handle.
8. A two-dimensional adjustable optical dual lens holder as claimed in claim 7, wherein the first rotary shaft comprises a first gear and the second rotary shaft comprises a second gear; the first driven part comprises a first tooth groove, and the second driven part comprises a second tooth groove; the first gear is meshed with the first tooth groove, and the second gear is meshed with the second tooth groove.
9. A two-dimensional adjustable optical double lens holder as defined in claim 8, wherein said first follower and said second follower are T-shaped in cross-section, and said fixing structure comprises a first mounting groove and a second mounting groove matching the shapes of said first follower and said second follower.
10. The two-dimensional adjustable optical double-lens holder according to claim 8 or 9, wherein the first rotating shaft and the second rotating shaft have cross sections in an "i" shape, the fixing structure comprises a third mounting groove and a fourth mounting groove, the third mounting groove and the fourth mounting groove are matched with the first rotating shaft and the second rotating shaft in shape, the third mounting groove is communicated with the first mounting groove, and the fourth mounting groove is communicated with the second mounting groove; the mounting groove III comprises a first opening facing the first rotating handle, and the inner diameter of the first opening is smaller than the diameters of two ends of the first rotating shaft and larger than the diameter of the middle part of the first rotating shaft; the mounting groove IV comprises a second opening, the second opening faces the second rotating handle, and the inner diameter of the second opening is smaller than the diameter of the two ends of the second rotating shaft and larger than the diameter of the middle part of the second rotating shaft; the first rotating shaft and the second rotating shaft extend out.
CN202210272312.2A 2022-03-18 2022-03-18 Two-dimensional adjustable optical double-lens holder Active CN114632268B (en)

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CN212722749U (en) * 2020-08-03 2021-03-16 无锡赛那尔仪器设备制造有限公司 Positioning tool for pasting lens of light path system of liquid chromatography detector
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