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Confocal microscope for large-field tomography

A confocal microscope, tomography technology, applied in microscopes, optics, instruments, etc., can solve the problems of difficult miniaturization, compact mechanism, affecting tomography effect, and occupying a lot of axial space, etc., to achieve high-quality layers Image analysis effect, good transmission accuracy, and the effect of reducing the placement space

Inactive Publication Date: 2018-01-16
吉林亚泰中科医疗器械工程技术研究院股份有限公司
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Problems solved by technology

[0002] The Vivascope series skin CT products of Lucid Company in the United States have certain defects in the mechanism when realizing confocal technology large-field tomography: the motor drives the pinion to rotate, and at the same time cooperates with the peripheral ring gear to drive, through the cam groove. The pin realizes the forward and backward translation of the objective lens, but this translation will cause the objective lens to follow the rotation phenomenon due to too few constraints of the degree of freedom, which will affect the motion accuracy and thus affect the tomographic imaging effect. At the same time, this transmission method takes up too much axial space and is difficult Realization of miniaturization and compact mechanism

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  • Confocal microscope for large-field tomography
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  • Confocal microscope for large-field tomography

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Embodiment Construction

[0020] Please refer to figure 1 The confocal microscope for large-field tomography of the present invention includes a substrate 10 , an axial movement mechanism 20 , a transverse movement mechanism 30 , an objective lens 40 , a nose tube 50 and an optocoupler limit switch 60 .

[0021] The axial movement mechanism 20 includes a first driving mechanism 21, a worm gear mechanism 22, a cam groove sleeve 23, a rotation limit pin 201, an axial groove sleeve 24, a slotted screw (not shown), a coupling 25, Concave base 26, worm fixed bearing 27, pressure ring 28, cam groove sleeve fixed bearing 29 and thin-walled cylinder (not shown).

[0022] The first driving mechanism 21 is a linear motor, which is used to drive the worm 222 of the worm gear mechanism 22 to rotate. The concave base 26 includes a bottom wall and a pair of side walls, the first driving mechanism 21 is arranged on the outside of the side wall of the concave base 26, and the worm 222 of the coupling 25 and the worm ...

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Abstract

The invention discloses a confocal microscope for the large-field tomography, and the confocal microscope comprises an axial motion mechanism and a lateral motion mechanism, wherein a first drive mechanism of the axial motion mechanism drives a worm and gear mechanism to operate so as to drive a cam groove sleeve to rotate. A rotation limiting pin is inserted into a cam groove of the cam groove sleeve, and then is fixed in the cam groove sleeve. An objective lens is fixed at an end part of an axial groove sleeve, and a clamping groove screw is fixed relative to a substrate, and is inserted into an axial groove on an external sleeve wall of the axial groove sleeve, so as to convert the circumferential rotation of a worm gear into the axial motion of the objective lens, and to achieve the tomography. The lateral motion mechanism is disposed on the substrate, and a nasal tube is disposed on the lateral motion mechanism. The objective lens is disposed in the nasal tube, and the lateral motion mechanism is used for adjusting the position of the nasal tube relative to the substrate in the first and second directions perpendicular to the axial direction of the objective lens, so as to achieve the large-field imaging.

Description

technical field [0001] The invention relates to a confocal microscope for tomographic imaging with a large field of view. Background technique [0002] The Vivascope series skin CT products of Lucid Company in the United States have certain defects in the mechanism when realizing confocal technology large-field tomography: the motor drives the pinion to rotate, and at the same time cooperates with the peripheral ring gear to drive, through the cam groove. The pin realizes the forward and backward translation of the objective lens, but this translation will cause the objective lens to follow the rotation phenomenon due to too few constraints of the degree of freedom, which will affect the motion accuracy and thus affect the tomographic imaging effect. At the same time, this transmission method takes up too much axial space and is difficult Realize miniaturization and compact mechanism. [0003] In view of this, the present invention urgently needs to solve the above-mentione...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B21/24G02B21/00
Inventor 缪新张运海朱磊
Owner 吉林亚泰中科医疗器械工程技术研究院股份有限公司
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