CN112327472A

CN112327472A - A medical microscope visual field positioning adjustment bracket

Info

Publication number: CN112327472A
Application number: CN202011201343.6A
Authority: CN
Inventors: 刘一靖; 程蔚蔚; 王晓娟
Original assignee: First Affiliated Hospital of Henan University of Science and Technology
Current assignee: First Affiliated Hospital of Henan University of Science and Technology
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-02-05

Abstract

The invention relates to a medical microscope visual field positioning adjustment bracket, comprising a base, a rotating frame, an object stage, an adjustment arm placed above the object stage, and an objective lens positioning cylinder. The axis of the rotating shaft passes through the center of the upper end face of the stage; the adjustment arm is an arc-shaped arm, and the axis where the arc of the adjustment arm is located is placed on the upper end face of the stage and passes through the center of the upper end face of the stage; the There is an arc-shaped chute matched with the adjusting arm on the rotating frame of the rotating frame, one end of the adjusting arm is slidably placed in the arc-shaped chute, and the other end of the adjusting arm is slidably connected with the objective lens positioning cylinder along the axial direction of the objective lens positioning cylinder. The axis of the positioning cylinder passes through the center of the upper end face of the object stage; the invention is convenient and efficient in operation, and has accurate visual field positioning.

Description

Medical microscope visual field positioning adjusting support

Technical Field

The invention relates to the field of pathological observation instruments, in particular to a visual field positioning and adjusting bracket for a medical microscope.

Background

The medical pathological samples are various, and in the pathological medical observation process, the angle, the height, the focal length and the like of the microscope need to be adjusted according to different samples; the adjustment process of the existing microscope mainly depends on the self angle adjustment of the microscope and the altitude mixture control of the objective table to realize, however, the angle adjustment of the existing microscope or the altitude mixture control of the objective table inevitably causes the deviation between the field focus of the objective lens and the sample, thereby the angle of the microscope and the height of the objective table need to be continuously adjusted and the position of the slide glass is moved to enable the sample to be placed in the field of the objective lens again, the operation is complex, the adjustment efficiency is not high, the unnecessary contact times of medical workers and the slide glass are increased, the secondary pollution probability of the sample and the infection risk of the medical workers are improved, the long-term storage of the sample is not facilitated, and the self safety of the medical workers is also not facilitated.

Disclosure of Invention

In order to overcome the technical defects in the prior art, the invention provides the medical microscope visual field positioning and adjusting bracket, which aims to solve the problem that an objective lens cannot be aligned with a sample in the adjusting process of the existing microscope and avoid unnecessary contact between medical staff and a sample glass slide.

The technical scheme for solving the problem is as follows: the device comprises a base, a rotating frame, an objective table, an adjusting arm and an objective lens positioning cylinder, wherein the adjusting arm and the objective lens positioning cylinder are arranged above the objective table; the adjusting arm is an arc-shaped arm, and the axis where the arc of the adjusting arm is located is arranged on the upper end surface of the objective table and passes through the center of the upper end surface of the objective table; the rotating frame is provided with an arc-shaped sliding groove matched with the adjusting arm, one end of the adjusting arm is arranged in the arc-shaped sliding groove in a sliding mode, the other end of the adjusting arm is arranged outside the arc-shaped sliding groove and is connected with the objective positioning cylinder in a sliding mode along the axial direction of the objective positioning cylinder, and the axis of the objective positioning cylinder passes through the center of the upper end face of the objective table; the objective lens positioning cylinder is provided with a microscope coaxially connected with the objective lens positioning cylinder.

The invention realizes the angle adjustment of the objective positioning cylinder by utilizing the rotation of the rotating frame and the circumferential sliding of the adjusting arm, and realizes the height adjustment of the objective positioning cylinder by utilizing the centripetal sliding of the objective positioning cylinder on the adjusting arm; meanwhile, when the objective positioning cylinder is adjusted by using the microscope slide adjusting device, the objective positioning cylinder is always centered at any angle position, namely the axis of the objective positioning cylinder is always positioned at the center of the upper end surface of the objective table, so that the slide at the center of the upper end surface of the objective table is always positioned at the visual field focus of the microscope, the slide is not required to be adjusted and moved by the objective table, the adjusting efficiency of the microscope is greatly improved, the contact frequency of medical care personnel and a sample slide is effectively reduced, the sanitation and safety of the slide are guaranteed, and the accidental infection risk of the medical care personnel is avoided.

Drawings

FIG. 1 is a front view of embodiment 1 of the present invention.

FIG. 2 is a sectional view of example 1 of the present invention.

FIG. 3 is a sectional view taken along line A-A in example 1 of the present invention.

FIG. 4 is an isometric view of example 1 of the invention.

FIG. 5 is an axial sectional view of example 1 of the present invention.

FIG. 6 is a front view of example 2 of the present invention.

FIG. 7 is a sectional view showing example 2 of the present invention.

Figure 8 is an isometric view of example 2 of the invention.

FIG. 9 is a cross-sectional axial view of example 2 of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 9, the present invention includes a base 1, a rotating frame 2, an object stage 3, an adjusting arm 4 disposed above the object stage 3, and an objective positioning cylinder 5, wherein the rotating frame 2 is rotatably connected to the base 1 via a rotating shaft 6, and an axis of the rotating shaft 6 passes through a center of an upper end surface of the object stage 3; the adjusting arm 4 is an arc-shaped arm, and the axis of the arc of the adjusting arm 4 is arranged on the upper end surface of the objective table 3 and passes through the center of the upper end surface of the objective table 3; the rotating frame 2 is provided with an arc-shaped sliding groove 7 matched with the adjusting arm 4, one end of the adjusting arm 4 is arranged in the arc-shaped sliding groove 7 in a sliding mode, the other end of the adjusting arm 4 is arranged outside the arc-shaped sliding groove 7 and is connected with the objective positioning cylinder 5 in a sliding mode along the axial direction of the objective positioning cylinder 5, and the axis of the objective positioning cylinder 5 passes through the center of the upper end face of the objective table 3; the objective lens positioning cylinder 5 is provided with a microscope 8 which is coaxially connected with the objective lens positioning cylinder 5, an objective lens of the microscope 8 is arranged between the objective table 3 and the adjusting arm 4, and an ocular lens of the microscope 8 is arranged above the adjusting arm 4.

When the adjusting device is used, the space position and the alignment angle of the objective positioning cylinder 5 are adjusted by utilizing the rotation of the rotating frame 2 and the arc-shaped sliding of the adjusting arm 4, the distance between the microscope 8 and the center of the upper end face of the objective table 3 is adjusted by utilizing the sliding of the objective positioning cylinder 5 on the adjusting arm 4, the microscope can be quickly adjusted as required, and the adjustment of any combination is carried out by utilizing the movements, so that the view focus of the objective cannot be changed, the objective is always aligned to the center of the upper end face of the objective table 3, the objective table or a glass slide does not need to be moved, the whole adjusting process is more convenient and efficient, the unnecessary contact between medical personnel and the glass slide is reduced, and the sanitation and the safety are improved.

As embodiment 1 of the present invention, the rotating shaft 6 is fixedly connected to the base 1, the rotating frame 2 is provided with a first bolt 9 corresponding to the rotating shaft 6, an axis of the first bolt 9 is perpendicular to an axis of the rotating shaft 6, the first bolt 9 is in threaded connection with the rotating frame 2, and an end of the first screw 9 contacts with the rotating shaft 6, when the first bolt 9 is screwed, the rotating frame 2 is locked on the rotating shaft 6 and cannot rotate, so as to achieve stable positioning of the rotating frame 2, and conversely, when the first bolt 9 is unscrewed, the rotating frame 2 is in a rotatable state, so as to facilitate rotation adjustment of the rotating frame 2.

As embodiment 2 of the present invention, the rotating shaft 6 is fixedly connected to the rotating frame 2, the base 1 is provided with a first bolt 9 corresponding to the rotating shaft 6, an axis of the first bolt 9 is perpendicular to an axis of the rotating shaft 6, the first bolt 9 is in threaded connection with the base 1, and an end of the first screw 9 contacts with the rotating shaft 6, when the first bolt 9 is tightened, the rotating shaft 6, that is, the rotating frame 2, is locked on the base 1 and cannot rotate, so as to achieve stable positioning of the rotating frame 2, and conversely, when the first bolt 9 is loosened, the rotating frame 2 is in a rotatable state, so as to facilitate rotation adjustment of the rotating frame 2.

Further, the rotating frame 2 is provided with a second bolt 10 corresponding to the adjusting arm 4, the axis of the second bolt 10 is parallel to the axis of the arc of the adjusting arm 4, the second bolt 10 is in threaded connection with the rotating frame 2, the end of the second screw 9 is in contact with the adjusting arm 4, when the second bolt 10 is screwed, the adjusting arm 4 is locked on the rotating frame 2 and cannot slide, so that the stable positioning of the adjusting arm 4 is realized, and otherwise, when the second bolt 10 is unscrewed, the adjusting arm 4 is in a slidable state, so that the adjusting arm 4 can be slidably adjusted.

As embodiment 1 of the present invention, the axis of the rotating shaft 6 is vertically arranged, and the rotating shaft 6 vertically arranged makes the rotating frame 2 more flexible and stable in rotation, and the influence of received gravity is small.

As embodiment 2 of the present invention, the axis of the rotating shaft 6 is horizontally arranged, the horizontally arranged rotating shaft 6 can effectively reduce the moving range of the rotating frame 2, and the rotating shaft is matched with the sliding of the adjusting arm 4 in the moving range as small as possible to generate an all-directional adjusting effect, so as to prevent the observation effect from being influenced by blocking of sight and light due to large-range movement.

Furthermore, a rack 11 which is axially consistent with the objective lens positioning cylinder 5 is arranged on the objective lens positioning cylinder 5, and a gear 12 which is meshed with the rack 11, a worm 13 which is meshed with the gear 12 and a rotary handle 14 which is used for adjusting the worm 13 are respectively arranged on the adjusting arm 4; the worm 13 is rotated through the rotating handle 14, the gear 12 rotates and drives the rack 11, namely the objective positioning cylinder 5, to slide, so that the sliding control of the objective positioning cylinder 5 on the adjusting arm 4 is realized, and due to the self-locking effect of the worm gear mechanism, when the worm 13 stops rotating, the gear 12 cannot reversely transmit the movement to the worm 13, so that the reliable positioning of the objective positioning cylinder 5 is realized, and the medical observation is prevented from being influenced due to the instability of the objective positioning cylinder 5.

Further, the middle part of objective table 3 be transparent region, have on the base 1 place in objective table 3 below and along a plurality of light filling lamps 15 that the vertical axis circumference through the up end center of objective table 3 distributes, light filling lamps 15 are towards objective table 3 middle part transparent region both can realize the light filling and the illumination of objective table 3, can not produce the direct projection to microscope 8's objective again.

When the microscope positioning device is used, only the microscope 8 is required to be arranged on the objective positioning cylinder 5, only the corresponding adjusting bolt or knob needs to be unlocked and the corresponding part needs to be adjusted in the actual adjusting process, and the corresponding adjusting bolt or knob is locked after the adjustment is finished, so that the positioning and locking of the objective positioning cylinder 5 are realized, the objective table or the glass slide does not need to be adjusted and moved, the operation is convenient and efficient, the visual field positioning is accurate, and the unnecessary burden of medical personnel is reduced.

Claims

1. A medical microscope visual field positioning adjustment bracket, comprising a base (1), a rotating frame (2), a stage (3), an adjustment arm (4) placed above the stage (3), and an objective lens positioning cylinder ( 5), characterized in that the rotating frame (2) and the base (1) are rotatably connected through a rotating shaft (6), and the axis of the rotating shaft (6) passes through the center of the upper end face of the stage (3); the The adjusting arm (4) is an arc-shaped arm, and the axis where the arc of the adjusting arm (4) is located is placed on the upper end face of the stage (3) and passes through the center of the upper end face of the stage (3); the rotation The frame (2) is provided with an arc-shaped chute (7) matched with the adjusting arm (4). The objective lens positioning cylinder (5) is slidably connected along the axial direction of the objective lens positioning cylinder (5), and the axis of the objective lens positioning cylinder (5) passes through the center of the upper end surface of the object stage (3).

2. A medical microscope visual field positioning and adjusting bracket according to claim 1, characterized in that the rotating shaft (6) is fixedly connected with the base (1), and the turret (2) has a first corresponding to the rotating shaft (6). Bolts (9), the first bolts (9) and the turret (2) are threadedly connected and the end of the first screw (9) is in contact with the rotating shaft (6).

3. A medical microscope visual field positioning adjustment bracket according to claim 1, characterized in that, the rotating shaft (6) is fixedly connected with the rotating frame (2), and the base (1) has a first corresponding to the rotating shaft (6). Bolts (9), the first bolts (9) and the base (1) are threadedly connected and the end of the first screw (9) is in contact with the rotating shaft (6).

4. A medical microscope visual field positioning adjusting bracket according to claim 1, characterized in that, the turret (2) is provided with a second bolt (10) corresponding to the adjusting arm (4), and the second bolt (10) It is screwed with the turret (2) and the end of the second screw (9) is in contact with the adjusting arm (4).

5 . The medical microscope visual field positioning and adjusting bracket according to claim 1 , wherein the axis of the rotating shaft ( 6 ) is arranged vertically. 6 .

6 . The medical microscope visual field positioning and adjusting bracket according to claim 1 , wherein the axis of the rotating shaft ( 6 ) is set horizontally. 7 .

7. A medical microscope field of view positioning adjustment bracket according to claim 1, wherein the objective lens positioning barrel (5) is provided with a rack (11) axially consistent with the objective lens positioning barrel (5), and the adjusting arm ( 4) There are respectively a gear (12) meshing with the rack (11), a worm (13) meshing with the gear (12), and a handle (14) for adjusting the worm (13).

8. A medical microscope visual field positioning adjustment bracket according to claim 1, characterized in that, the middle part of the stage (3) is a transparent area, and the base (1) is arranged under the stage (3). A plurality of supplementary lights (15) are distributed along the circumference of the vertical axis passing through the center of the upper end face of the stage (3).