CN216561175U

CN216561175U - Automatic focusing system of operating microscope

Info

Publication number: CN216561175U
Application number: CN202122756472.8U
Authority: CN
Inventors: 陶巍
Original assignee: Shanghai Eder Medical Technology Co ltd
Current assignee: Shanghai Eder Medical Technology Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-05-17
Anticipated expiration: 2031-11-11

Abstract

The embodiment of the utility model relates to an automatic focusing system of an operation microscope, which comprises a microscope body, wherein an inner wall of the microscope body is fixedly connected with an operation microscope lens, the bottom end of the operation microscope lens is fixedly connected with a millimeter wave sensor, and the inner wall of one side in the microscope body is fixedly connected with an electric motor; the utility model can display the distance of the surgical wound in real time on the focal length state display screen after a millimeter wave sensor arranged at the bottom of the lens of the surgical microscope detects the distance of the surgical wound, the motor gear is driven to move on the focal length adjusting rack by the rotation of the electric motor, the electric motor is a precise speed reducer used by an industrial robot, the positioning precision is higher, the motor automatically stops working when the focal length preset by the system is adjusted, the surgical microscope can automatically and quickly focus, the focusing precision is improved, the definition of the surgical field of vision is ensured, and the utility model is convenient for different departments to use.

Description

Automatic focusing system of operating microscope

Technical Field

The embodiment of the utility model relates to the technical field of surgical microscopes, in particular to an automatic focusing system of a surgical microscope.

Background

Because the existing operation microscope can not realize accurate focusing under different working distances, and the requirements of different departments on the focal lengths of the working distances of the operation microscope are different, for example, the department of ophthalmology is at the working distance of 200MM, the department of spine and five sense organs is at the working distance of 250 MM of 550MM of 450 MM of the five sense organs, the neurosurgery is at the working distance of 550MM of 450 MM of the five sense organs, the instruments used in different departments have different sizes, the sizes of the operation wound surfaces are also different, and the operation fineness is different. The multifunctional operating room can be used in multiple departments, and certain requirements are provided for an operating microscope.

SUMMERY OF THE UTILITY MODEL

It is an object of embodiments of the present invention to provide an operating microscope autofocus system.

In order to achieve the above purpose, an automatic focusing system of an operating microscope is designed according to an embodiment of the present invention, and includes a microscope body, an operating microscope lens is fixedly connected to an inner wall of the microscope body, a millimeter wave sensor is fixedly connected to a bottom end of the operating microscope lens, an electric motor is fixedly connected to an inner wall of one side of the inside of the microscope body, an output end of the electric motor is connected to one of motor gears through a coupling, the other two motor gears are connected to one of the motor gears through a transmission mechanism, a focus adjusting rack is engaged with the three motor gears, and one side of the focus adjusting rack is fixedly connected to an inner wall of the other side of the inside of the microscope body.

Preferably, the top of the microscope body is fixedly connected with a focal length state display screen, and the focal length state display screen is electrically connected with the millimeter wave sensor.

Preferably, the bottom of the microscope body is provided with a surgical wound which is positioned right below the millimeter wave sensor.

Preferably, one side of microscope body is equipped with the support frame, and the sliding tray has been seted up to one side of support frame, and sliding connection has the slider in the sliding tray, the one end fixedly connected with L shape bracing piece of slider, the top fixedly connected with fixed column of L shape bracing piece, the rotatory piece of T shape has been cup jointed in the rotation on the fixed column, the one end fixedly connected with fixed plate of the rotatory piece of T shape, one side fixed connection in one side of microscope body of fixed plate.

Preferably, the rotation hole has been seted up to the top inner wall of sliding tray, rotates downthehole rotation and is connected with the threaded rod, and the thread groove has been seted up at the top of slider, and the bottom of threaded rod runs through the thread groove and rotate to be connected in the bottom inner wall of sliding tray.

Preferably, a movable groove is formed in the outer side wall of the cylinder of the fixed column, a positioning pin is connected in the movable groove in a sliding mode, a plurality of slots are formed in the inner wall of the T-shaped rotating block, one end of the positioning pin extends into one of the slots, an extrusion spring is arranged in the movable groove, and two ends of the extrusion spring are fixedly connected with the positioning pin and the fixed column respectively.

Preferably, the both sides of locating pin are equal fixedly connected with stopper, and the spacing groove has been seted up to the both sides inner wall in activity groove, and two stoppers are located two spacing inslots respectively.

Compared with the prior art, the utility model has the advantages that,

according to the utility model, the millimeter wave sensor is arranged, when the millimeter wave sensor arranged at the bottom of the lens of the surgical microscope detects the distance of the surgical wound, the distance can be displayed on the focal length state display screen in real time, the motor gear is driven to move on the focal length adjusting rack by the rotation of the electric motor, and the electric motor adopts the precision speed reducer used by the industrial robot, so that the motor has higher positioning precision, and automatically stops working when the focal length preset by the system is adjusted, the surgical microscope can automatically and quickly focus, the focusing precision is improved, the definition of the surgical field of vision is ensured, and the millimeter wave sensor is convenient for different departments to use;

according to the utility model, the threaded rod is rotated to drive the sliding block to move, the sliding block moves to drive the L-shaped supporting rod, the fixed column, the T-shaped rotating block, the fixed plate and the microscope body to move, so that the microscope body can be subjected to height adjustment, the microscope body is rotated to drive the fixed plate and the T-shaped rotating block to rotate on the fixed column, and the T-shaped rotating block is displayed under the elastic action of the extrusion spring in the rotating process, so that the positioning groove can timely enter the slot to fix the T-shaped rotating block, and further the microscope body is fixed, so that the height and angle of the microscope body can be adjusted, and further the microscope body is flexible and has a good use effect.

Drawings

FIG. 1 is a first cross-sectional plan view of the present invention;

FIG. 2 is a second cross-sectional plan view of the present invention;

FIG. 3 is a schematic cross-sectional plan view of the engagement of the detent pin and compression spring of the present invention;

fig. 4 is a schematic cross-sectional plan view of the present invention at a in fig. 3.

Description of reference numerals:

1. a microscope body; 2. a focus adjusting rack; 3. a motor gear; 4. an electric motor; 5. a surgical microscope lens; 6. a millimeter wave sensor; 7. a surgical wound surface; 8. a focal length status display screen; 9. a fixing plate; 10. a T-shaped rotating block; 11. fixing a column; 12. an L-shaped support bar; 13. a slider; 14. a support frame; 15. a threaded rod; 16. extruding the spring; 17. positioning pins; 18. and a limiting block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.

The embodiment provides an automatic focusing system of an operating microscope, as shown in fig. 1, the automatic focusing system comprises a microscope body 1, an operating microscope lens 5 is fixedly connected to the inner wall of the microscope body 1, a millimeter wave sensor 6 is fixedly connected to the bottom end of the operating microscope lens 5, an electric motor 4 is fixedly connected to the inner wall of one side of the interior of the microscope body 1, the output end of the electric motor 4 is connected with one of motor gears 3 through a coupling, one of the motor gears 3 is connected with the other two motor gears 3 through a transmission mechanism, a focus adjusting rack 2 is meshed with the three motor gears 3, and one side of the focus adjusting rack 2 is fixedly connected to the inner wall of the other side of the interior of the microscope body 1;

in this embodiment, through electric motor 4's setting, because electric motor 4 adopts the precision speed reducer that industrial robot used, realized having higher positioning accuracy. When the millimeter wave sensor arranged at the bottom of the lens of the operating microscope detects the distance of the surgical wound, the distance can be displayed on the focal length state display screen in real time.

In order to achieve the technical effects, as shown in fig. 1, a focal length state display screen 8 is fixedly connected to the top of the microscope body 1, and the focal length state display screen 8 is electrically connected with the millimeter wave sensor 6; by means of the structure, the millimeter wave sensor 6 can timely transmit the visual field to the focal length state display screen 8 through the controller through the arrangement of the millimeter wave sensor 6.

In order to achieve the technical effects, as shown in fig. 1, a surgical wound 7 is arranged at the bottom of the microscope body 1, and the surgical wound 7 is located right below the millimeter wave sensor 6; borrow by above-mentioned structure, through the setting of operation surface of a wound 7, realized millimeter wave sensor 6 can in time sense with the distance of operation surface of a wound 7, and then automatic focusing.

Example 2:

based on the surgical microscope auto-focusing system provided in the first embodiment of the present application, a second embodiment of the present application proposes another surgical microscope auto-focusing system. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

As shown in fig. 2-4, a supporting frame 14 is arranged on one side of the microscope body 1, a sliding groove is formed on one side of the supporting frame 14, a sliding block 13 is connected in the sliding groove in a sliding manner, an L-shaped supporting rod 12 is fixedly connected to one end of the sliding block 13, a fixing column 11 is fixedly connected to the top end of the L-shaped supporting rod 12, a T-shaped rotating block 10 is rotatably sleeved on the fixing column 11, a fixing plate 9 is fixedly connected to one end of the T-shaped rotating block 10, and one side of the fixing plate 9 is fixedly connected to one side of the microscope body 1; by means of the structure, through the arrangement of the fixing plate 9, the area of the fixing plate 9 is large, so that the stability of the fixing microscope body 1 is improved.

In order to achieve the technical effect, as shown in fig. 2-4, a rotating hole is formed in the inner wall of the top of the sliding groove, a threaded rod 15 is rotatably connected in the rotating hole, a threaded groove is formed in the top of the sliding block 13, and the bottom end of the threaded rod 15 penetrates through the threaded groove and is rotatably connected to the inner wall of the bottom of the sliding groove; by means of the structure, the threaded rod 15 rotates to drive the sliding block 13 to lift through the arrangement of the threaded rod 15, and the height of the microscope is adjusted.

In order to achieve the technical effects, as shown in fig. 2-4, a movable groove is formed on the outer cylindrical side wall of the fixed column 11, a positioning pin 17 is connected in the movable groove in a sliding manner, a plurality of slots are formed in the inner wall of the T-shaped rotating block 10, one end of the positioning pin 17 extends into one of the slots, an extrusion spring 16 is arranged in the movable groove, and two ends of the extrusion spring 16 are respectively fixedly connected with the positioning pin 17 and the fixed column 11; by means of the structure, the microscope body 1 is fixed in time under the elastic action of the early extrusion spring 16 through the arrangement of the positioning pin 17.

In order to achieve the technical effect, as shown in fig. 2-4, both sides of the positioning pin 17 are fixedly connected with limiting blocks 18, inner walls of both sides of the movable groove are provided with limiting grooves, and the two limiting blocks 18 are respectively positioned in the two limiting grooves; by means of the structure, the stability of the positioning pin 17 in the moving process is improved through the arrangement of the limiting block 18.

The working principle is as follows: when the operation begins, the doctor can set for the operation focus of oneself according to the operation condition, after millimeter wave sensor 6 who installs in operation microscope camera lens 5 bottom detects the distance of operation surface of a wound 7, can show in real time on focus state display screen 8, rotate through electric motor 4 and drive motor gear 3 and remove on focus adjusting rack 2, because electric motor 4 adopts the accurate speed reducer that industrial robot used, higher positioning accuracy has, motor automatic shutdown work when adjusting the focus that the system predetermines, it can focus fast automatically to have realized the operation microscope, the precision of focusing has been improved, the definition in the operation field of vision has been guaranteed, be convenient for different departments to use.

Rotating threaded rod 15 and driving slider 13 and removing, slider 13 removes and drives L shape bracing piece 12, fixed column 11, T shape rotatory piece 10, fixed plate 9 and microscope body 1 remove, make microscope body 1 can carry out altitude mixture control, it drives fixed plate 9 and T shape rotatory piece 10 and rotates on fixed column 11 to rotate microscope body 1, T shape rotatory piece 10 is at the pivoted in-process, the spring action at extrusion spring 16 shows, make the constant head tank can in time get into in the slot fix T shape rotatory piece 10, and then fix microscope body 1, it adjusts height and angle to have realized carrying on microscope body 1, and then make microscope body 1 nimble, excellent in use effect.

It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the utility model, and that various changes in form and details may be made therein without departing from the spirit and scope of the utility model in practice.

Claims

1. An operation microscope automatic focusing system comprises a microscope body (1), and is characterized in that: the utility model discloses a microscope, including microscope body (1), the inner wall fixedly connected with operation microscope camera lens (5) of microscope body (1), the bottom fixedly connected with millimeter wave sensor (6) of operation microscope camera lens (5), inside one side inner wall fixedly connected with electric motor (4) of microscope body (1), the output of electric motor (4) has one of them motor gear (3) through the coupling joint, one of them motor gear (3) are connected with two other motor gear (3) through drive mechanism, the meshing has focus adjusting rack (2) on three motor gear (3), one side fixed connection of focus adjusting rack (2) is in the inside opposite side inner wall of microscope body (1).

2. The surgical microscope auto-focus system of claim 1, wherein: the microscope is characterized in that the top of the microscope body (1) is fixedly connected with a focal length state display screen (8), and the focal length state display screen (8) is electrically connected with the millimeter wave sensor (6).

3. The surgical microscope auto-focus system of claim 2, wherein: the bottom of the microscope body (1) is provided with an operation wound surface (7), and the operation wound surface (7) is located under the millimeter wave sensor (6).

4. The surgical microscope auto-focus system of claim 1, wherein: one side of microscope body (1) is equipped with support frame (14), the sliding tray has been seted up to one side of support frame (14), sliding connection has slider (13) in the sliding tray, one end fixedly connected with L shape bracing piece (12) of slider (13), top fixedly connected with fixed column (11) of L shape bracing piece (12), it has T shape swivel block (10) to rotate to cup joint on fixed column (11), one end fixedly connected with fixed plate (9) of T shape swivel block (10), one side fixed connection in one side of microscope body (1) of fixed plate (9).

5. The surgical microscope auto-focus system of claim 4, wherein: the top inner wall of sliding tray has seted up rotates the hole, rotates downthehole rotation and is connected with threaded rod (15), and the thread groove has been seted up at the top of slider (13), and the bottom of threaded rod (15) runs through the thread groove and rotates to be connected in the bottom inner wall of sliding tray.

6. The surgical microscope auto-focus system of claim 4, wherein: the outer side wall of the cylinder of the fixed column (11) is provided with a movable groove, a positioning pin (17) is connected in the movable groove in a sliding mode, a plurality of slots are formed in the inner wall of the T-shaped rotating block (10), one end of the positioning pin (17) extends into one of the slots, an extrusion spring (16) is arranged in the movable groove, and two ends of the extrusion spring (16) are fixedly connected with the positioning pin (17) and the fixed column (11) respectively.

7. The surgical microscope auto-focus system of claim 6, wherein: the equal fixedly connected with stopper (18) in both sides of locating pin (17), the spacing groove has been seted up to the both sides inner wall in activity groove, and two stoppers (18) are located two spacing inslots respectively.