Filter automatic switching device for dental operating microscope and dental microscope

Abstract

The utility model relates to a filter automatic switching device for dental operating microscope, including installation casing, electric drive mechanism, filter fixed plate and control module, electric drive mechanism sets up on installation casing, control module controls electric drive mechanism linear motion, be equipped with the filter on filter fixed plate, filter fixed plate is connected with the output of electric drive mechanism, filter fixed plate drives filter to remove or remove the light path of microscope under the drive of electric drive mechanism, and both ends of the stroke of filter fixed plate are equipped with position detection mechanism, are used for detecting the position of filter fixed plate to accurately control the switching of filter. The utility model drives filter fixed plate and its filter on the light path to move accurately through the electric signal control drive mechanism, realizes the automatic switching of filter. Avoid the manual operation of doctor in operation, effectively guarantees the sterile environment of operation, simultaneously, the switching process is quick, accurate, improves the operation efficiency and the convenience of operation.

Description

Technical Field

[0001] This utility model belongs to the field of dental microscope technology, and in particular relates to an automatic filter switching device for dental surgical microscopes and a dental microscope. Background Technology

[0002] Dental surgical microscopes are core equipment for modern dental root canal treatment, restoration, and other delicate surgeries. To obtain different observation effects, such as protecting the surgeon's eyes from excitation light damage in fluorescence diagnostic mode, or using polarizers to eliminate reflections in conventional mode, appropriate filters need to be inserted into the microscope's imaging optical path.

[0003] Currently, there is a manual filter switching device on the market used at the microscope camera interface. This device typically moves different filters into or out of the optical path by manually sliding or flicking a mechanical lever. However, this manual switching method has significant drawbacks: Disruption of sterile environment: During surgery, doctors or assistants need to touch the manual parts of the switching device, which greatly increases the risk of disrupting the sterile state of the surgical area.

[0004] Inconvenient operation and interruption of surgery: When doctors are focused on the operation, they need to be distracted to find and operate the switching lever, or they need the assistance of an assistant, which seriously disrupts the continuity and rhythm of the operation.

[0005] Inefficient: Manual operation is slow and cannot achieve quick and accurate instant switching, which may delay the best observation time.

[0006] Therefore, while existing technologies offer filter switching functionality, their manual operation is severely incompatible with the sterility, efficiency, and convenience required for high-standard dental surgery. There is an urgent need in this field for an automated solution that can replace manual operation. Utility Model Content

[0007] The purpose of this invention is to overcome the above-mentioned defects of existing manual filter switching devices and provide an electric filter switching device and a dental microscope. This device can achieve automatic, rapid and precise switching of filters through electrical signal control (such as a foot switch), allowing doctors to complete the operation without touching the device by hand, thereby ensuring a sterile surgical environment and improving surgical efficiency and convenience.

[0008] To address the aforementioned technical problems, this utility model provides an automatic filter switching device for a dental surgical microscope, comprising a mounting housing, an electric drive mechanism, a filter fixing plate, and a control module. The electric drive mechanism is mounted on the mounting housing, and the control module controls the linear movement of the electric drive mechanism. The filter fixing plate is provided with a filter and is connected to the output end of the electric drive mechanism. Driven by the electric drive mechanism, the filter fixing plate moves the filter into or out of the optical path of the microscope. Positioning detection mechanisms are provided at both ends of the filter fixing plate's travel to detect the position of the filter fixing plate, thereby precisely controlling the switching of the filter.

[0009] Furthermore, in this invention, the positioning detection mechanism includes a photoelectric switch and a sensing plate. The photoelectric switch is mounted on the mounting housing, and the sensing plate is mounted on the filter fixing plate. The photoelectric switch determines the working status of the filter by detecting the position of the sensing plate.

[0010] Furthermore, in this invention, the electric drive mechanism is an electric lead screw slide, an electric push rod, or an electric gear.

[0011] Furthermore, in this invention, one end of the mounting housing is closed by a locking cover plate, and a guide mechanism is provided between the filter fixing plate and the mounting housing to reduce friction and assist in positioning.

[0012] Furthermore, in this utility model, the guiding mechanism includes steel balls, and the filter fixing plate has slots on both sides. The side wall of the filter fixing plate, the slots, the inner side wall of the mounting housing, and the inner wall of the locking cover plate define the space for receiving steel balls.

[0013] Furthermore, this invention also includes an electrical signal controller, which controls the electric drive mechanism to move the filter fixing plate through the control module to achieve filter switching.

[0014] This invention also provides a dental surgical microscope, including the aforementioned automatic filter switching device for a dental surgical microscope, which is installed in the imaging optical path of the microscope.

[0015] Compared with existing technologies, the automatic filter switching device of the dental surgical microscope of this invention ensures a sterile operating environment, achieves precise and convenient functions, and improves surgical efficiency, thus having the following beneficial effects: Ensuring aseptic operation: Non-contact switching is achieved, and doctors can control it by means of foot pedals, which completely avoids contamination that may be introduced by manual operation and strictly maintains the aseptic requirements of surgery.

[0016] Improved surgical efficiency: The switching process is fast and automatic, and doctors do not need to interrupt the operation, be distracted, or rely on assistants, ensuring the smoothness of the operation, especially suitable for complex operations that require frequent switching of observation modes.

[0017] Precise and convenient operation: The electric drive combined with the positioning mechanism ensures that the filter can accurately and stably reach the predetermined position every time, guaranteeing the stability of image quality, and the operation experience is far superior to manual filter adjustment. Attached Figure Description

[0018] The specific embodiments of this utility model will be further explained below with reference to the accompanying drawings.

[0019] Figure 1 This is a schematic diagram of the automatic filter switching device for the dental surgical microscope of this invention.

[0020] Figure 2 This is an exploded view of the automatic filter switching device for the dental surgical microscope of this invention.

[0021] Figure 3 This is a schematic diagram showing the separation of the locking cover plate of the automatic filter switching device for the dental surgical microscope of this invention.

[0022] Figure 4 This is a schematic diagram of the automatic filter switching device for a dental surgical microscope of this invention, excluding the mounting housing.

[0023] Figure 5 This is a top view of the automatic filter switching device for the dental surgical microscope of this invention, excluding the locking cover. Detailed Implementation Example 1

[0024] Combination Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the automatic filter switching device for a dental surgical microscope in this embodiment includes a mounting housing 1, an electric drive mechanism 2, a filter fixing plate 6, and a control module. The electric drive mechanism 2 is mounted on the mounting housing 1, and the control module controls the linear movement of the electric drive mechanism 2. The filter fixing plate 6 is provided with a filter 8, and the filter fixing plate 6 is connected to the output end of the electric drive mechanism 2. Under the drive of the electric drive mechanism 2, the filter fixing plate 6 moves the filter 8 into or out of the optical path of the microscope. Positioning detection mechanisms are provided at both ends of the travel of the filter fixing plate 6 to detect the position of the filter fixing plate 6, so as to accurately control the switching of the filter 8.

[0025] In this embodiment, preferably, the positioning detection mechanism includes a photoelectric switch 3 and a sensing plate 5. The photoelectric switch 3 is mounted on the mounting housing 1, and the sensing plate 5 is mounted on the filter fixing plate 6. The photoelectric switch 3 determines the working status of the filter 8 by detecting the position of the sensing plate 5.

[0026] In this embodiment, specifically, two photoelectric switches 3 are provided, corresponding to the positions of the light path when the filter 8 is completely moved into the microscope and the light path when the filter 8 is completely removed from the microscope. When the sensing plate 5 moves to the corresponding position with the filter fixing plate 6, the photoelectric switch 3 transmits a signal to the control module, and the control module controls the electric drive mechanism 2 to stop working.

[0027] In this embodiment, preferably, the electric drive mechanism 2 is an electric lead screw slide, an electric push rod, or an electric gear. Specifically, in this embodiment, the electric drive mechanism 2 adopts an electric lead screw slide, and the filter plate fixing plate 6 is moved between the working position and the non-working position by the electric lead screw slide.

[0028] In this embodiment, preferably, one end of the mounting housing 1 is closed by a locking cover plate 7. The mounting housing 1 and the locking cover plate 7 are provided with corresponding openings for light path propagation and for the filter 8 on the corresponding filter fixing plate 6. A guide mechanism is provided between the filter fixing plate 6 and the mounting housing 1 to reduce friction and assist in positioning.

[0029] In this embodiment, preferably, the guiding mechanism includes steel balls 4, and the filter fixing plate 6 has slots on both sides. The side wall of the filter fixing plate 6, the slots, the inner side wall of the mounting housing 1, and the inner wall of the locking cover plate 7 define the space for accommodating steel balls 4, which helps the filter fixing plate 6 to be positioned and stabilized during movement.

[0030] Preferably, this embodiment further includes an electrical signal controller, which controls the electric drive mechanism 2 to move the filter fixing plate 6 through the control module to achieve the switching of the filter 8. Specifically, in this embodiment, the electrical signal controller is a foot switch.

[0031] The automatic filter switching device for a dental surgical microscope in this embodiment operates as follows: When a filter needs to be switched, the doctor triggers an external control signal, such as pressing a foot switch. Upon receiving the signal, the control system first checks the current state of the photoelectric switch 3 to determine the initial position of the filter fixing plate 6. Then, the control system instructs the electric screw slide to move, driving the filter fixing plate 6 along a predetermined path. During this movement, the steel ball 4 guiding mechanism ensures smooth operation. When the filter fixing plate 6 reaches the target position, the sensing element 5 on it is detected by the corresponding photoelectric switch 3, and the control system immediately stops the electric screw slide, completing one automatic switching operation. The entire process requires no manual contact, is fast, and precise. Example 2

[0032] The dental surgical microscope of this embodiment includes the automatic filter switching device for dental surgical microscopes in Embodiment 1, which is installed in the imaging optical path of the microscope.

[0033] Many specific details have been set forth in the above description to provide a full understanding of this utility model. However, the above description is only a preferred embodiment of this utility model, and this utility model can be implemented in many other ways different from those described herein. Therefore, this utility model is not limited to the specific embodiments disclosed above. Furthermore, any person skilled in the art can make many possible variations and modifications to the technical solution of this utility model using the methods and techniques disclosed above, or modify it into equivalent embodiments with equivalent changes, without departing from the scope of the technical solution of this utility model. Any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model, without departing from the content of the technical solution of this utility model, shall still fall within the protection scope of the technical solution of this utility model.

Claims

1. An automatic filter switching device for a dental surgical microscope, characterized in that: The system includes a mounting housing (1), an electric drive mechanism (2), a filter fixing plate (6), and a control module. The electric drive mechanism (2) is mounted on the mounting housing (1). The control module controls the electric drive mechanism (2) to move linearly. The filter fixing plate (6) is provided with a filter (8). The filter fixing plate (6) is connected to the output end of the electric drive mechanism (2). Under the drive of the electric drive mechanism (2), the filter fixing plate (6) moves the filter (8) into or out of the optical path of the microscope. The filter fixing plate (6) is provided with positioning detection mechanisms at both ends of its stroke to detect the position of the filter fixing plate (6) so as to accurately control the switching of the filter (8).

2. The automatic filter switching device for a dental surgical microscope according to claim 1, characterized in that: The positioning detection mechanism includes a photoelectric switch (3) and a sensing plate (5). The photoelectric switch (3) is mounted on the mounting housing (1), and the sensing plate (5) is mounted on the filter fixing plate (6). The photoelectric switch (3) determines the working status of the filter (8) by detecting the position of the sensing plate (5).

3. The automatic filter switching device for a dental surgical microscope according to claim 1, characterized in that: The electric drive mechanism (2) is an electric lead screw slide, an electric push rod, or an electric gear.

4. The automatic filter switching device for a dental surgical microscope according to claim 1, characterized in that: One end of the mounting housing (1) is closed by a locking cover plate (7), and a guide mechanism is provided between the filter fixing plate (6) and the mounting housing (1).

5. The automatic filter switching device for a dental surgical microscope according to claim 4, characterized in that: The guiding mechanism includes steel balls (4), and the filter fixing plate (6) has slots on both sides. The side wall of the filter fixing plate (6), the slots, the inner side wall of the mounting housing (1) and the inner wall of the locking cover plate (7) define the space for the steel balls (4).

6. The automatic filter switching device for a dental surgical microscope according to claim 1, characterized in that: It also includes an electrical signal controller, which controls the electric drive mechanism (2) to drive the filter fixing plate (6) to move through the control module to achieve the switching of the filter (8).

7. A dental surgical microscope, characterized in that: Includes an automatic filter switching device for a dental surgical microscope as described in any one of claims 1-6, the device being installed in the imaging optical path of the microscope.

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