CN106725906A - operating microscope - Google Patents

Abstract

The present application relates to a surgical microscope comprising a joystick arranged on a housing of the surgical microscope, the joystick being arranged to be able to generate a signal related to an operating state of the joystick and to be able to signal-interact with a control system of the surgical microscope, the control system being arranged to mutually correspond the signal related to the operating state of the joystick and a function of the surgical microscope to realize different functions that the surgical microscope has depending on different operations on the joystick. In this application, through set up the control rod on operation microscope's casing to make the user realize the multiple different functions of operation microscope through the solitary user interface of operation, compare the quantity that has reduced user interface with current operation microscope, simplified user's operation to operation microscope.

Description

operating microscope

technical field

The present application relates to surgical microscopes, and more particularly to a device for switching the surgical microscope between multiple operating modes.

Background technique

During the process of using the surgical microscope, the user needs to operate the surgical microscope to achieve different functions. Some surgical microscopes employ filters to select light with different spectral properties, polarization states, or phase properties. These light rays are reflected, refracted, absorbed, scattered or exhibit other optical characteristics in different ways for different media or media interfaces. Based on this, the surgical microscope can have a variety of different working modes to achieve different functions or uses. Generally, it is also necessary to adjust the illumination brightness of the surgical microscope, and operate the camera module to take pictures or video during the operation.

At present, it is necessary to perform corresponding operations through a plurality of dispersed independent user interfaces (for example, a plurality of independent handles, buttons, rotations, switches) arranged on the surgical microscope, and these independent user interfaces are generally arranged on the housing of the surgical microscope in different positions. However, this "distributed" user interface is not conducive to the user's operation of the surgical microscope, because the user needs to operate a plurality of different user interfaces to realize corresponding functions.

Contents of the invention

In order to solve the above problems, the present application discloses a surgical microscope, including a joystick provided on the housing of the surgical microscope, the joystick is configured to be able to generate a signal related to the operating state of the joystick and to be able to Signal interaction with the control system of the operating microscope, the control system is configured to correspond the signals related to the operating state of the joystick with the functions of the operating microscope so as to realize the operation according to different operations on the joystick Microscopes have different functions.

According to an exemplary configuration of the surgical microscope, the joystick is configured to be toggled in four directions at intervals of 90 degrees so as to trigger the surgical microscope to realize corresponding functions. Preferably, the joystick is toggled up so that the surgical microscope enters polarization mode, the joystick is toggled down so that the surgical microscope enters caries detection mode, and the joystick is toggled leftwards that the surgical microscope enters blood observation mode mode, the joystick is toggled to the right to put the surgical microscope into delayed cure mode.

According to an exemplary configuration of the surgical microscope, the joystick is configured to be toggled in four directions at intervals of 90 degrees or in eight directions at intervals of 45 degrees to trigger the operation microscope to achieve corresponding function. Preferably, the joystick is configured to be toggled in the four directions, the joystick is toggled in the first direction to make the surgical microscope enter the polarization mode, and the joystick is toggled in the second direction Make the operating microscope enter the caries detection mode, the joystick is moved to the third direction to make the operation microscope enter the blood observation mode, and the joystick is moved to the fourth direction to make the operation microscope enter the delayed curing mode.

According to an exemplary configuration of the operating microscope, the joystick is configured to be pressed at the top end so as to trigger the operating microscope to perform a corresponding function. Preferably, the joystick is pressed to trigger the operating microscope to take pictures and/or record videos of the observed objects. Preferably, a short press is to take a picture, and a long press is to start/stop video recording.

According to an exemplary configuration of the operating microscope, the joystick is configured to be able to be rotated so as to trigger the operating microscope to perform a corresponding function. Preferably, the joystick is turned clockwise so as to increase the illumination intensity of the surgical microscope and the joystick is turned counterclockwise to decrease the illumination intensity of the surgical microscope.

According to an exemplary configuration of the surgical microscope, the joystick is arranged on the housing surface of the surgical microscope and in an area adjacent to the operating handle of the surgical microscope, so that the operator can hold or move the operating handle with one hand. The joystick can be operated with the same hand while the microscope is in use. Preferably, a depression is provided at the center of the top end of the operating rod, or a depression is provided at the center of the knob provided at the top end of the operating rod.

According to an exemplary configuration of the operating microscope, an indicator light is provided around the joystick or around the knob at the top of the joystick to indicate the operating state of the joystick and/or Operating mode status of the operating microscope.

According to an exemplary configuration of the surgical microscope, the joystick includes a rod portion, an elastic sheet, a sensor and a circuit board, wherein,

The stem can be toggled in four directions spaced at 90 degree angles or in eight directions spaced at 45 degree angles such that corresponding electronics on the circuit board generate a toggle with the joystick related signals;

The elastic sheet is set to be linked with the rod, and when the user presses the top end of the rod, the elastic deformation will occur and the corresponding electronic components on the circuit board will be conducted to generate a connection with the rod. Signals related to the pressing of the joystick;

When the lever is turned, the rotation of the lever can be detected by the sensor to generate a signal related to the rotation of the joystick.

Preferably, the rod is inserted into the central hole of the circuit board and its position is limited by it. When the operator toggles in the four or eight directions, the lower end of the rod will swing and press Corresponding four or eight direction buttons are arranged above or below the circuit board.

Preferably, the elastic sheet is a metal sheet or a conductive member, and the elastic sheet is configured to be axially linked with the rod, and when the operator presses the rod, the elastic deformation occurs and partially contact with the circuit board.

Preferably, the sensor is a photo-interrupter, and the joystick further includes a light-shielding member, and the light-shielding member is configured to be able to rotate together with the rod.

According to an exemplary configuration of the operating microscope, the operating microscope is a dental operating microscope.

Compared with the prior art, the operating microscope of the present application has at least the following advantages: by setting the joystick proposed in the application on the casing of the operating microscope, the user can realize the operating microscope by operating a separate user interface. A variety of different functions reduce the number of user interfaces compared with existing operating microscopes, and simplify the operation of the operating microscope for users.

Description of drawings

FIG. 1 shows a part of a surgical microscope according to one embodiment of the present application, showing a joystick provided on the housing of the surgical microscope.

FIG. 2 shows a partial front view of the operating microscope from FIG. 1 with the operating handle removed.

Fig. 3 shows an installation sectional view of a joystick disposed on a casing of an operating microscope according to an embodiment of the present application.

Fig. 4 is a schematic diagram of connection of circuit modules of the present invention.

Figure 5 shows an exploded view of the joystick in one embodiment of the present application.

Fig. 6 shows a cross-sectional view of the joystick in one embodiment of the present application.

Fig. 7 shows a bottom view of the circuit board of the joystick in one embodiment of the present application.

Fig. 8 shows a top view of the circuit board of the joystick in one embodiment of the present application.

9 to 11 are spectrograms of the operating microscope in caries detection mode, delayed curing mode and blood observation mode according to an embodiment of the present application.

detailed description

A surgical microscope according to an embodiment of the present application will be described below with reference to the drawings. In the following description, numerous specific details are set forth in order to provide a fuller understanding of the present application to those skilled in the art. It will be apparent, however, to one skilled in the art, that implementations of the present application may be without some of these specific details. Furthermore, it should be understood that the application is not limited to the particular embodiments described. Instead, it is conceivable to implement the application with any combination of the following features and elements, whether they relate to different embodiments or not. Accordingly, the following aspects, features, embodiments and advantages are by way of illustration only and should not be considered elements or limitations of the claims unless explicitly stated in the claims.

As shown in FIG. 1 to FIG. 3 , a joystick 1 is provided on the casing of the surgical microscope according to an embodiment of the present application. The joystick 1 can be arranged at any suitable position on the surface of the casing of the surgical microscope so as to be convenient for the user to operate. For example, in the embodiment shown in Fig. 1 to Fig. 3, joystick 1 and a knob 16 are nested together, are arranged on the housing surface of the operating microscope facing the user and are arranged on the operating handle 4 of the operating microscope. Adjacent to the area, the center of the knob 16 of the joystick 1 is provided with a depression 17, so that the operator can operate the joystick 1 with the thumb of the same hand while holding the operating handle 4 with one hand to move or hold the surgical microscope. An indicator light 2 is arranged around the joystick 1 for indicating the operating state of the joystick 1 and/or the current working mode state of the surgical microscope.

Fig. 4 is a schematic diagram of connection of circuit modules of the present invention. As shown in FIG. 4 , according to an embodiment of the present application, the circuit board 15 of the joystick 1 performs signal interaction with the control system of the surgical microscope (for example, a control board of the surgical microscope provided with a microcontroller (MCU)). The control system can be implemented as a combination of a processor and a memory storing a corresponding control program, or as an analog and/or digital circuit such as an application-specific integrated circuit (ASIC) or a field-programmable gate array (FPGA). The circuit board 15 of the joystick 1 can also establish an electrical connection with the control system of the surgical microscope so as to supply power to the joystick 1 . For example, the circuit board 15 of the joystick 1 can be connected to the control system of the surgical microscope via a flat cable. The MCU on the control board of the surgical microscope can monitor the different operations of the joystick 1 according to the signals from the circuit board 15 of the joystick 1 related to the operating state of the joystick 1 (such as toggle, press, and rotate). Specifically, the toggle of the joystick 1 can be monitored by an analog-to-digital converter (ADC) module of the MCU, the pressing of the joystick 1 can be monitored by the general input output (GPIO) module of the MCU, and the pressing of the joystick 1 can be monitored by the MCU’s General-purpose input-output (GPIO) module monitors, and the rotation of joystick 1 can be monitored and counted by the general-purpose input-output module and counting module of MCU. The MCU can associate each operation of the joystick 1 with a specific function of the surgical microscope. When a specific function of the surgical microscope is triggered, the control board can send a control signal to the filter control unit, and the control board can also send instructions through the CAN bus to control corresponding components of the surgical microscope, such as the light source.

As shown in FIG. 5 to FIG. 8 , the main components of the joystick 1 in one embodiment of the present application include a rod portion 11 , an elastic sheet 12 , a light-shielding component 13 , a sensor 14 , a circuit board 15 and an elastic sheet fixing member 16 . The circuit board 15 is provided with a direction button 151 , a central hole 152 and two separated metal rings 153 .

The rod part 11 is inserted into the central hole 152 of the circuit board 15 and its position is limited by it, so that the rod part 11 can be toggled in four directions at intervals of 90 degrees. When the joystick 1 is arranged on the shell surface of the surgical microscope facing the user, the four directions are up, down, left and right respectively. When the rod 11 is moved in the four directions by the user, the lower end of the rod 11 will swing and press the corresponding four direction buttons 151 arranged below the circuit board 15 (as shown in FIGS. 8 and 5 . ) to generate a signal related to the operating state of the joystick (toggle).

The elastic sheet 12 is a metal sheet or a conductive part. The elastic sheet 12 is arranged in the elastic sheet fixing part 16 above the circuit board 15 which is suitable for its shape. The elastic sheet fixing part 16 and the circuit board 15 are fixed together, and the elastic sheet 12 simultaneously It is provided so that the rod part 11 can pass through from the center. The middle part of the elastic sheet 12 bulges upwards slightly. When the user presses the top of the rod 11, the elastic sheet 12 will be pressed by the raised part 111 in the center of the rod to produce the feeling of pressing the button, and elastically deform and partly conform to the The circuit board 15 contacts so that two separate metal rings 153 (as shown in FIG. 7 ) on the circuit board 15 conduct to generate a signal related to the operating state (press) of the joystick. When the user releases the top of the rod portion 11 , the elastic piece 12 will restore the shape with the middle part protruding slightly upwards and partly break away from the contact with the circuit board 15 .

The light-shielding member 13 is a circular ring with a plurality of circumferentially arranged light-shielding sheets 131 protruding from the lower side, and the light-shielding member 13 is arranged to be able to rotate together with the rod portion 11 . The sensor 14 may be a light interrupter. When the light-shielding component 13 rotates to a certain position, and the light-shielding sheet 131 on it is aligned with the corresponding photo-interrupter 14, the light-shielding sheet 131 is inserted between the light-emitting assembly and the light-receiving assembly of the photo-interrupter, and the light-shielding sheet 131 will be The detection signal is triggered by being detected by the photo-interrupter, and the signal disappears when the light-shielding sheet is moved out of the photo-interrupter 14 . In this way, when the user rotates the lever portion 11, the rotational angular displacement of the light shielding member 13 can be detected by the sensor 14 to generate a signal related to the operating state (rotation) of the joystick.

As described above, the joystick in the present application is configured to be toggled, pressed, and turned in four directions at 90-degree angular intervals. Different operations performed on the joystick 1 can realize corresponding functions of the surgical microscope. In one embodiment of the present application, the corresponding relationship between the operation of the joystick 1 and the realized function (working mode state) of the surgical microscope can be shown in the following table:

Table 1

Operation of the joystick Functions of the Operating Microscope toggle up polarization mode toggle down Caries Detection Mode toggle left blood observation mode Toggle right (short press) Advanced Delayed Cure Mode Toggle right (long press) Primary Delayed Cure Mode turn clockwise increase lighting intensity counterclockwise reduce lighting intensity Press (short press) Photograph Press (long press) video

As shown in Table 1, flipping the joystick up puts the surgical microscope into polarization mode.

The polarization mode is set for viewing samples that may produce specular reflections. For example, when teeth are observed with an operating microscope in dental treatment and diagnosis, the enamel of the tooth itself and the saliva attached to it will produce specular reflections. Under reflected light illumination, the light incident on the teeth will be directly received by human eyes or cameras after mirror reflection, so that very bright bright spots will be seen. In addition to the specular reflection light, the light reflected by the teeth also has a lot of diffuse reflection light, and the diffuse reflection light vibrates in all directions. If the vibration direction of the illumination light is changed to one direction through a linear polarizer, the specular reflection light in this direction is cut off through another polarizer, and the diffuse reflection light in other directions is allowed to pass through, so that the human eye or the camera can see bright spots. It is weakened, and at the same time, the details on the teeth can be observed through diffuse reflection imaging.

Continuing as shown in Table 1, dialing down the joystick can put the surgical microscope into caries detection mode (fluorescence mode).

The caries detection mode can be used, for example, in dental practice to detect caries. After the tooth is infected with dental caries, the dental caries bacteria will produce a special purine, which will produce red fluorescence under the irradiation of light with a wavelength of 405nm. Fluorescence mode is to use this feature of dental caries to irradiate the teeth with fluorescence of 405nm wavelength, and then filter out the red fluorescence through a specific filter, so that human eyes or cameras can clearly see and distinguish the dental caries. The spectral data of the optical filter under this working mode can be selected as follows as shown in Figure 9: the transmittance to the light with a wavelength of 500nm to 550nm is between 20% and 35%; the ratio to the wavelength is between 600nm and 650nm The transmittance of light with a predetermined value (such as 620nm) is greater than 50%, preferably greater than 70%, more preferably greater than 90%; the transmittance of light with a wavelength between 380nm and 430nm is less than 0.1%, preferably less than 0.01 %. Among them, the transmittance requirements at the wavelengths of 500nm and 550nm are to increase the contrast between dental caries and normal teeth.

Continuing as shown in Table 1, moving the joystick to the left can make the surgical microscope enter the blood observation mode.

The blood observation mode can be used to increase the contrast of observing blood. Red blood appears darker under green light, while other parts appear grayer, allowing the blood to be better distinguished from other parts. The blood observation mode can be realized with a green filter or a direct green light source. The spectral curve of the green filter can be set as shown in Figure 10 to have greater transmittance for light with a wavelength between 500nm and 550nm (eg 525nm) than for light with other wavelengths, where the half-wave bandwidth is at Between +/-50nm and +/-90nm, preferably +/-70nm. If a green light source is used to realize the green light mode, the light source can be an LED green light source with a center wavelength between 500 and 550nm (for example, 525nm), and the half bandwidth is less than 90nm, preferably less than 70nm.

Continuing as shown in Table 1, toggling the joystick to the right puts the surgical microscope into delayed cure mode. Specifically, toggling to the right (short press) can make the surgical microscope enter the advanced delayed curing mode, and toggling to the right (long press) can make the surgical microscope enter the primary delayed curing mode.

The filters used in Delayed Cure mode are designed to prolong the curing time of tooth filling materials in dental treatment. General dental filling materials will accelerate curing under the irradiation of ultraviolet light or blue light. If the ultraviolet light and all or part of the blue light are filtered out with a filter, the curing time can be prolonged, so that more corrections and corrections can be left to the operator. Time to shape up. The spectral curve of the optical filter in this working mode can be set as shown in FIG. 11 as follows: the transmittance of light with a wavelength greater than a predetermined value (for example, 550nm) between 500nm and 600nm is greater than 90%. In addition, the light with less ultraviolet light and/or blue light components irradiated on the teeth to be observed can also be realized by a light source that meets the above spectral characteristics.

Continuing as shown in Table 1, turning the joystick clockwise can increase the illumination intensity of the surgical microscope, while turning the joystick counterclockwise can decrease the illumination intensity of the surgical microscope.

Continuing as shown in Table 1, pressing the joystick can take a photo or video of the observed object. Specifically, a short press of the joystick can trigger a photograph of the observation object, and a long press of the joystick can trigger video recording of the observation object.

The operating microscope according to the present application can be used as a dental operating microscope for inspecting caries, prolonging the curing time of dental filling materials, and the like. However, it is obvious that the operating microscope according to the present application can also be used in other applications in the medical field. Likewise, the surgical microscope according to the present application can also introduce various other functions (working mode states) not mentioned in the embodiments of the present application.

In addition, although the joystick of the surgical microscope in the above-mentioned embodiments of the present application is designed to be toggled in four directions at intervals of 90 degrees, to be pressed on the top of the joystick, and to be able to rotate, and it is described in detail Correspondence between the operation of the joystick and the realized functions of the operating microscope. However, those skilled in the art should understand that the joystick in the present application may only be able to realize a part of the above operations, and these modifications do not depart from the protection scope of the present application. For example, the joystick can be designed to be toggled in four directions at intervals of 90 degrees or in eight directions at intervals of 45 degrees and can be rotated but cannot be pressed. Different types of joysticks are designed based on the specific functions that the joysticks need to perform in an operating microscope. In addition, those skilled in the art should understand that the corresponding relationship between the operation of the joystick and the functions of the surgical microscope can be flexibly set according to specific needs. For example, the upward movement of the joystick can realize the blood observation mode, and the downward movement Polarized mode can be achieved. In short, the corresponding relationship between the operation of the joystick and the realized functions of the surgical microscope can be flexibly set without being limited to the corresponding manner in Table 1.

Compared with the prior art, in the technical solution of the present application, by setting the joystick proposed in the application on the casing of the surgical microscope, the user can realize various functions of the surgical microscope by operating a separate user interface Compared with the existing operating microscope, the number of user interfaces is reduced, and the user's operation on the operating microscope is simplified.

Various modifications and variations to the above-disclosed embodiments will be apparent to those skilled in the art without departing from the scope or spirit of the application. Other embodiments of the application will be apparent to those skilled in the art from practice of the application disclosed in the specification. It is intended that the specification and the examples disclosed therein be considered as illustrative only, with the true scope of the application being indicated by the appended claims and their equivalents.

Claims (15)

1. A surgical microscope comprising a joystick arranged on a housing of said surgical microscope, said joystick being arranged to be able to generate a signal related to the operating state of said joystick and to communicate with a control system of the surgical microscope For signal interaction, the control system is configured to correspond the signals related to the operating state of the joystick to the functions of the surgical microscope so as to realize different functions of the surgical microscope according to different operations on the joystick. 2. The surgical microscope according to claim 1, wherein the joystick is configured to be toggled in four directions at intervals of 90 degrees or in eight directions at intervals of 45 degrees to trigger The operating microscope realizes the corresponding function. 3. The operating microscope according to claim 2, wherein the joystick is configured to be toggled in the four directions, and the joystick is toggled in the first direction so that the operating microscope enters the polarized state. mode, the joystick is moved to the second direction to make the operating microscope enter the dental caries detection mode, the joystick is moved to the third direction to make the operating microscope enter the blood observation mode, and the joystick is moved to the fourth direction Actuation puts the surgical microscope into delayed cure mode. 4 . The operating microscope according to claim 1 , wherein the joystick is configured to be pressed on the top end so as to trigger the operating microscope to realize corresponding functions. 5 . The operating microscope according to claim 4 , wherein the joystick is pressed to trigger the operating microscope to take pictures and/or record videos of the observed objects. 6 . 6. The surgical microscope according to claim 1, wherein the joystick is configured to be able to be rotated so as to trigger the surgical microscope to realize corresponding functions. 7. The surgical microscope according to claim 6, wherein the joystick is turned clockwise to increase the illumination intensity of the surgical microscope, and the joystick is turned counterclockwise to decrease the illumination intensity of the surgical microscope. 8. The surgical microscope according to claim 1, wherein the joystick is arranged on the housing surface of the surgical microscope and in a region adjacent to the operating handle of the surgical microscope, so that the operator can hold it with one hand Or the joystick can be operated with the same hand while moving the surgical microscope. 9 . The surgical microscope according to claim 8 , wherein a depression is provided at the center of the top end of the operating rod, or a depression is provided at the center of the knob provided at the top end of the operating rod. 10. The operating microscope according to claim 1, wherein an indicator light is arranged around the joystick or around the knob at the top of the joystick to indicate the operating state of the joystick and\or the operating mode status of the operating microscope. 11. The operating microscope according to claim 1, wherein the joystick comprises a rod, an elastic sheet, a sensor and a circuit board, wherein, The stem can be toggled in four directions spaced at 90 degree angles or in eight directions spaced at 45 degree angles such that corresponding electronics on the circuit board generate a toggle with the joystick related signals; The elastic sheet is set to be linked with the rod, and when the user presses the top of the rod, the elastic deformation will occur and the corresponding electronic components on the circuit board will be conducted to generate a connection with the rod. Signals related to the pressing of the joystick; When the lever is turned, the rotation of the lever can be detected by the sensor to generate a signal related to the rotation of the joystick. 12. The surgical microscope according to claim 11, characterized in that, the rod is inserted into the central hole of the circuit board and its position is limited by it, when the operator moves in the four or eight directions The lower end of the rod will swing and press the corresponding four or eight direction buttons arranged above or below the circuit board. 13. The operating microscope according to claim 11, characterized in that, the elastic sheet is a metal sheet or a conductive member, and the elastic sheet is configured to be axially linked with the rod, and when the operator presses the rod When the part is closed, the elastic piece is elastically deformed and partly contacts the circuit board. 14 . The surgical microscope according to claim 11 , wherein the sensor is a photo interrupter, and the joystick further comprises a light shielding member, and the light shielding member is configured to be able to rotate together with the rod. 15. The operating microscope according to any one of claims 1 to 14, wherein the operating microscope is a dental operating microscope.