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Fully balanced zoom objective for surgical microscopes

A technique of operating microscope and balancing change, applied in the field of operating microscope, can solve the problems of offset of imaging center and poor accuracy, and achieve the effect of strong practicability, zoom effect, accurate and comfortable movement process

Pending Publication Date: 2019-07-12
GUILIN SHIBAIKE PHOTOELECTRIC TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The moving mode of the zoom group is that the lens rotates with the handwheel and moves through the curved groove. During the movement, the lens rotates, which may easily cause the imaging center to shift
Another zoom objective lens moves up and down through the guide rail, but the precision is relatively poor

Method used

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  • Fully balanced zoom objective for surgical microscopes
  • Fully balanced zoom objective for surgical microscopes

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] see figure 1 , in an embodiment of the present invention, a fully balanced zoom objective lens for an operating microscope includes an objective lens barrel composed of a first lens barrel 2 and a second lens barrel 12, and the first lens barrel 2 is arranged on the second lens barrel Below 12, the first lens barrel 2 and the second lens barrel 12 are connected and fixed by the first screw 7. This detachable setting is convenient for later replacement. ...

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Abstract

The invention discloses a fully balanced zoom objective lens for surgical microscopes. The fully balanced zoom objective comprises an objective lens barrel, wherein the objective lens barrel consistsof a first lens barrel and a second lens barrel; the first lens barrel is arranged under the second lens barrel; the first lens barrel and the second lens barrel are connected and fixed through a first screw; the objective lens barrel is internally provided with an objective lens mechanism; and the objective lens mechanism comprises a first objective lens assembly arranged in the first lens barreland a second objective lens assembly arranged in the second lens barrel. According to the fully balanced zoom objective lens, improvement is carried out for the defects of bad adjustment in the priorart, a pin arc track is set to generate up-down driving force, a guiding component is matched to carry out guiding, lens holders do not deflect when moving up and down, and the movement process is precise and comfortable, thereby changing the distance between the first objective lens holder and the second objective lens holder to achieve a zooming effect and high practicability.

Description

technical field [0001] The invention relates to the technical field of operating microscopes, in particular to a fully balanced zoom objective lens for operating microscopes. Background technique [0002] The objective lens used in surgical mirrors is generally a single objective lens, and the working distance is fixed and cannot be zoomed. When the position of the object changes, the objective lens must be moved to observe, which affects work efficiency. The zoom objective lens can make it possible to observe objects within a certain working range only by adjusting the zoom objective lens, which improves work efficiency. The moving mode of the zoom group is that the lens rotates with the hand wheel and moves through the curved groove. During the movement, the lens rotates, which may easily cause the imaging center to shift. Another kind of zoom objective lens moves up and down through the guide rail, but the precision is relatively poor. [0003] In view of the above prob...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B21/02G02B7/10
CPCG02B21/02G02B7/10
Inventor 秦家俊罗平苏俊安
Owner GUILIN SHIBAIKE PHOTOELECTRIC TECH
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