阅读说明：本技术 一种可旋转光学显微镜样品夹持装置 (Rotatable optical microscope sample clamping device ) 是由 费鹏 平峻宇 方春钰 赵方 聂俊 刘庆 于 2019-10-25 设计创作，主要内容包括：本发明公开了一种可旋转光学显微镜样品夹持装置,属于显微镜成像领域,包括：转动部和样品固定部；转动部的轴向方向与样品固定部的轴向方向垂直；通过对转动部轴向方向上的转动,实现对样品固定部的轴向方向转动。转动部包括第一主体、旋转轴、第一齿轮和第二齿轮；旋转轴轴向方向与第一齿轮的轴向方向重合；第二齿轮轴向方向与第一齿轮的轴向方向垂直,与样品固定部的轴向方向重合,且与第一齿轮啮合；旋转轴带动第一齿轮的旋转,第一齿轮带动第二齿轮的转动,第二齿轮用于调节样品固定部轴向方向的转动。本发明大大提高了当需要对样品进行多角度成像时的效率,并减小了因手动取出样品进行旋转对原位成像带来的影响。(The invention discloses a rotatable optical microscope sample clamping device, which belongs to the field of microscope imaging and comprises: a rotating part and a sample fixing part; the axial direction of the rotating part is vertical to the axial direction of the sample fixing part; the axial direction rotation of the sample fixing part is realized through the rotation of the rotating part in the axial direction. The rotating part comprises a first main body, a rotating shaft, a first gear and a second gear; the axial direction of the rotating shaft is overlapped with the axial direction of the first gear; the axial direction of the second gear is vertical to the axial direction of the first gear, is superposed with the axial direction of the sample fixing part, and is meshed with the first gear; the rotation axis drives the rotation of first gear, and first gear drives the rotation of second gear, and the second gear is used for adjusting sample fixed part axial direction's rotation. The invention greatly improves the efficiency when the sample needs to be imaged in multiple angles, and reduces the influence on in-situ imaging caused by manually taking out the sample and rotating the sample.)

1. A rotatable optical microscope sample holding apparatus comprising: a rotating part (2) and a sample fixing part (3);

one end of the rotating part (2) is connected with one end of the sample fixing part (3), and the axial direction of the rotating part (2) is vertical to the axial direction of the sample fixing part (3);

the axial direction of the sample fixing part is rotated by rotating the rotating part (2) in the axial direction.

2. The rotatable optical microscope sample holding device according to claim 1, further comprising a support arm (1) connected to the other end of the rotating part (2) for connecting the rotating part (2) to a displacement table for supporting the rotating part (2).

3. A rotatable optical microscope sample holding device according to claim 1 or 2, characterized in that the turning part (2) comprises a first body, a rotation shaft (25), a first gear (28) and a second gear (31);

the rotating shaft (25) penetrates through the first body, and the axial direction of the rotating shaft coincides with the axial direction of the first gear (28); the first gear (28) is located directly below the bottom of the first body; the second gear (31) is positioned on the bottom side wall of the first body, has an axial direction perpendicular to the axial direction of the first gear (28), coincides with the axial direction of the sample fixing part (3), and is meshed with the first gear (28);

the rotating shaft (25) is used for driving the first gear (28) to rotate, the first gear (28) is used for driving the second gear (31) to rotate, and the second gear (31) is used for adjusting the rotation of the sample fixing part (3) in the axial direction.

4. The rotatable optical microscope sample holding device according to claim 3, wherein the rotating part (2) further comprises: a knob (26) and a reference line (23);

the surface of the knob (26) is marked with scale marks and is positioned at the top of the rotating shaft (25), and the reference line (23) is positioned at the position where the rotating shaft (25) is opposite to the top end of the first main body; acquiring the rotating angle of the sample fixing part (3) according to the reference line (23) corresponding to the scale mark of the rotating surface; the knob is used for rotating the rotating shaft (25).

5. The rotatable optical microscope sample holding device of claim 1, wherein the sample fixing portion comprises: the second main body, the push-pull component and the sample frame are connected in sequence;

the sample frame is of a hollow structure; the push-pull component is connected with the sample frame through a third screw hole (33), the telescopic position in the sample frame is adjusted according to the size of a sample, and the push-pull component is matched with the second main body to fix the sample.

6. The rotatable optical microscope sample holding device according to claim 2, wherein the support arm (1), the rotating part (2) and the sample fixing part (3) are detachably connected.

7. The rotatable optical microscope sample holding device according to claim 2 or 6, characterized in that the support arm (1) comprises: the device comprises a disc base (11), a supporting arm (12), a first magnet (14) and a vertical rod (15);

the disc base (11) is positioned at one end of the supporting arm (12); the first magnet (14) and the vertical rod (15) are positioned at the other end of the supporting arm (12);

the disc base (11) is connected with the displacement table through screws; the first magnet (14) and the vertical rod (15) are used for being connected with the rotating part (2).

Technical Field

The invention belongs to the field of microscope imaging, and particularly relates to a rotatable optical microscope sample clamping device.

Background

Fluorescence is excited from the side surface of a sample by using a light beam slice, and a light sheet illumination microscopy technology for acquiring a fluorescence image of an illumination plane by a microscope and a CCD (Charge-coupled Device) or sCMOS (Complementary Metal oxide semiconductor) camera in a direction perpendicular to a light sheet is used as a leading edge imaging method in the 21 th century. At present, the light sheet illumination microscopy technology is taken as an imaging method and is widely concerned by scientific researchers in various fields, particularly the biomedical imaging field.

In most light sheet illumination microsystems, on the one hand, optical element is fixed, needs move the sample along vertical direction (z direction) and then acquire complete 3D image, and in order to image big sample under higher magnification simultaneously, need move the sample along surveying plane (xy) and then splice the formation of image. Meanwhile, the sample is shot from a plurality of angles by rotating the sample, and then multi-view images are fused together through a specific algorithm, so that the image resolution can be further improved, and the special defects of the optical sheet technology can be corrected. Therefore, it is not only necessary that the sample can move in xyz three directions, but also that the sample can be rotated in-plane in the detection plane.

On the other hand, the fixation of the sample is also a difficult problem for the light sheet microscope. When imaging a large-scale transparent sample, the sample must be fixed in a chamber filled with a material with a refractive index matched with that of the sample, and the sample is conveniently rotated to obtain the best imaging effect. Sample fixation methods vary from single cell to whole organ, depending on the creativity of the researcher and the requirements of the particular sample. At present, two types of known sample fixing modes are mainly adopted according to the size of a sample, and a small-scale living body sample represented by zebra fish is mainly prepared by embedding the sample in an FEP tube or fixing the sample on a glass slide by using agarose; the main way to transparentize a large-scale sample represented by mouse brain is to fix the sample to a fixed wall by fastening screws.

In summary, the main problems with the existing sample fixation devices are: sample incompatibility and rotation of large scale samples requires manual manipulation and re-fixing. Because the imaging chamber of the optical microscope imaging system is limited, the sample fixing device needs to be taken out to manually rotate, and the method has the defects of complex operation and low efficiency and can not realize quantitative rotation of the sample at any angle; in addition, in-situ imaging cannot be performed, and damage to the sample caused by external factors in the process of taking out the sample cannot be eliminated, so that the imaging quality is finally reduced. When the sample is manually fixed and rotated, the sample is easily stained with corrosive index matching fluid attached to the sample, and the physical health of an operator is harmed.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a rotatable optical microscope sample clamping device, and aims to solve the problems that the imaging sample cannot be directly rotated in a detection plane under the conditions that a detection objective lens is not moved and a sample clamping device is taken out in the existing optical microscope imaging chamber, so that the efficiency is low and the in-situ imaging cannot be performed when the multi-angle imaging is required to be performed on the sample.

To achieve the above object, the present invention provides a rotatable optical microscope sample holding device, comprising: a rotating part and a sample fixing part;

the one end of rotation portion is connected with the one end of sample fixed part, and the axial direction of rotation portion is perpendicular with the axial direction of sample fixed part, through the rotation to rotation portion axial direction, realizes rotating the axial direction of sample fixed part, avoids through the regulation to the sample fixed part behind the repeated sample article.

Preferably, the rotatable optical microscope sample clamping device further comprises a support arm frame, which is connected with the other end of the rotating part, and is used for connecting the rotating part and the displacement table and supporting the rotating part;

preferably, the rotating part includes: a first body, a rotation shaft, a first gear and a second gear; the rotating shaft penetrates through the first main body, and the axial direction of the rotating shaft is overlapped with the axial direction of the first gear; the first gear is positioned right below the bottom of the first main body; the second gear is positioned on the side wall of the bottom of the first main body, the axial direction of the second gear is vertical to the axial direction of the first gear, the second gear is superposed with the axial direction of the sample fixing part and is meshed with the first gear;

the rotating shaft is used for driving the first gear to rotate, the first gear is used for driving the second gear to rotate, and the second gear is used for adjusting the axial rotation of the sample fixing part;

preferably, the rotating part further includes: a knob and a reference line; the surface of the knob is marked with scale marks and is positioned at the top of the rotating shaft, and the reference line is positioned at the position of the rotating shaft opposite to the top end of the first main body; acquiring the rotation angle of the sample fixing part according to the scale mark of the reference line corresponding to the rotation surface; the knob is used for rotating the rotating shaft;

preferably, the sample fixing part includes: the second main body, the push-pull component and the sample frame are connected in sequence; the sample frame is of a hollow structure; the push-pull component is connected with the sample frame through a third screw hole, the telescopic position in the sample frame is adjusted according to the size of the sample, and the push-pull component is matched with the second main body to fix the sample;

preferably, the support arm frame, the rotating part and the sample fixing part are detachably connected;

preferably, the support arm support comprises: the disc base, the supporting arm, the first magnet and the vertical rod;

the disc base is positioned at one end of the supporting arm; the first magnet and the vertical rod are positioned at the other end of the supporting arm;

the disc base is used for being connected with the displacement table through a screw; the first magnet and the vertical rod are used for being connected with the rotating part.

Through the technical scheme, compared with the prior art, the invention has the following beneficial effects:

(1) the invention is provided with the rotating part, and the axial direction of the sample fixing part is driven to rotate by adjusting the rotation of the rotating part in the axial direction, so that the information of different rotating angles of the sample is obtained; compared with the traditional method that the sample is continuously taken out manually and rotated to cause damage to the sample and change of the position, the method reduces the influence on in-situ imaging.

(2) The sample fixing part is provided with the push-pull component and the sample frame, the telescopic position of the push-pull component in the sample frame is adjusted according to the size of a sample, the sample fixing part and the second main body side wall form a fixing device, the sample cannot vibrate in the scanning process, and in-situ imaging is realized through coaxial rotation in an imaging plane, so that the imaging quality can be improved.

(3) The invention is suitable for samples with different sizes because the push-pull component for fixing the sample can adjust the telescopic position in the sample frame, and can be easily adapted to various optical microscopic imaging systems similar to imaging chambers because the structure is simple and small.

(4) According to the invention, the rotating part is provided with the knob and the reference line, the rotating shaft can be rotated more conveniently through the knob, and meanwhile, the scale marks are arranged on the knob, so that the rotating angle of the sample fixing part in the axial direction can be acquired more conveniently according to the relative position of the reference line and the scale marks, and the accurate control is easier.

(5) The support arm frame is arranged for supporting the rotating shaft and simultaneously connecting the rotating part and the displacement table, so that the stability of the rotating part is facilitated.

(6) The rotating part disclosed by the invention comprises the first main body, the rotating shaft, the first gear and the second gear, the rotating shaft can be rotated to drive the first gear to rotate, meanwhile, the first gear is meshed with the second gear and also drives the second gear to rotate, so that the rotation of a sample is realized, and the whole rotating part is relatively simple in structure and small in size.

(7) In the invention, the support arm frame, the rotating part and the sample fixing part are detachably connected, so that any part can be independently replaced when damaged, and the service life of the whole rotatable optical microscope sample clamping device is prolonged.

Drawings

FIG. 1 is a schematic overall view of a rotatable optical microscope sample holding device provided in example 1;

fig. 2 is a schematic structural diagram of the support arm support provided in embodiment 1;

FIG. 3 is a schematic view of the structure of a rotating section provided in embodiment 1;

FIG. 4 is a schematic view of the structure of a sample holding part provided in example 1;

the same numbers in the invention correspond to the same objects, and are applicable to all the drawings in the specification, and the specific characters are as follows:

1-supporting arm support; 2-a rotating part; 3-a sample fixation part; 11-thin disc base; 12-a cylindrical support arm; 13-a first screw hole; 14-a first magnet; 15-vertical rod; 21-a second magnet; 22-a first via; 23-a reference line; 24-vertical rod through holes; 25-a rotating shaft; 26-a knob; 27-graduation mark; 28-a first gear; 29-a second via; 31-a second gear; 32-a second screw hole; 33-a third screw hole; 34-rectangular box.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The invention discloses a rotatable optical microscope sample clamping device, which comprises a rotating part 2 and a sample fixing part 3;

one end of the rotating part 2 is connected with one end of the sample fixing part 3, and the axial direction of the rotating part 2 is vertical to the axial direction of the sample fixing part 3;

the axial direction rotation of the sample fixing part is realized by rotating the rotating part 2 in the axial direction;

preferably, the rotatable optical microscope sample clamping device further comprises a support arm frame 1, connected with the other end of the rotating part 2, and used for connecting the rotating part 2 with the displacement table and supporting the rotating part 2;

preferably, the rotating part 2 includes a first body, a rotating shaft 25, a first gear 28 and a second gear 31;

the rotating shaft 25 penetrates the first body, and the axial direction thereof coincides with the axial direction of the first gear 28; the first gear 28 is located directly below the bottom of the first body; the second gear 31 is positioned on the bottom side wall of the first body, the axial direction of the second gear is vertical to the axial direction of the first gear 28, the second gear coincides with the axial direction of the sample fixing part 3, and the second gear is meshed with the first gear 28;

the rotating shaft 25 is used for driving the first gear 28 to rotate, the first gear 28 is used for driving the second gear 31 to rotate, and the second gear 31 is used for adjusting the rotation of the sample fixing part 3 in the axial direction;

preferably, the rotating portion 2 further includes: knob 26 and reference line 23;

the surface of the knob 26 is marked with scale marks and is positioned at the top of the rotating shaft 25, and the reference line 23 is positioned at the position, opposite to the top end of the first main body, of the rotating shaft 25; acquiring the rotation angle of the sample fixing part 3 according to the scale mark of the reference line 23 corresponding to the rotation surface; the knob is used for rotating the rotating shaft 25;

the sample fixing part includes: the second main body, the push-pull component and the sample frame are connected in sequence;

the sample frame is of a hollow structure; the push-pull component is connected with the sample frame through a third screw hole 33, the telescopic position in the sample frame is adjusted according to the size of the sample, and the push-pull component is matched with the second main body to fix the sample;

preferably, the support arm frame 1, the rotating part 2 and the sample fixing part 3 are detachably connected;

preferably, the support arm 1 comprises: the disc base 11, the supporting arm 12, the first magnet 14 and the vertical rod 15;

the disc base 11 is positioned at one end of the supporting arm 12; the first magnet 14 and the vertical rod 15 are positioned at the other end of the supporting arm 12;

the disc base 11 is used for being connected with the displacement table through screws; the first magnet 14 and the vertical rod 15 are used to connect to the rotating part 2.