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WO2025176708A1 - Appareil pour un système d'imagerie optique, système d'imagerie optique, procédé et programme informatique - Google Patents

Appareil pour un système d'imagerie optique, système d'imagerie optique, procédé et programme informatique

Info

Publication number
WO2025176708A1
WO2025176708A1 PCT/EP2025/054413 EP2025054413W WO2025176708A1 WO 2025176708 A1 WO2025176708 A1 WO 2025176708A1 EP 2025054413 W EP2025054413 W EP 2025054413W WO 2025176708 A1 WO2025176708 A1 WO 2025176708A1
Authority
WO
WIPO (PCT)
Prior art keywords
setting
data
optical imaging
surgery
imaging system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/EP2025/054413
Other languages
English (en)
Inventor
Zhengdong Zeng
Zhen YE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leica Microsystems CMS GmbH
Leica Instruments Singapore Pte Ltd
Original Assignee
Leica Microsystems CMS GmbH
Leica Instruments Singapore Pte Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Leica Microsystems CMS GmbH, Leica Instruments Singapore Pte Ltd filed Critical Leica Microsystems CMS GmbH
Publication of WO2025176708A1 publication Critical patent/WO2025176708A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/20—Surgical microscopes characterised by non-optical aspects
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/13—Ophthalmic microscopes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/0004—Microscopes specially adapted for specific applications
    • G02B21/0012—Surgical microscopes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/36—Microscopes arranged for photographic purposes or projection purposes or digital imaging or video purposes including associated control and data processing arrangements
    • G02B21/365—Control or image processing arrangements for digital or video microscopes
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/14—Special procedures for taking photographs; Apparatus therefor for taking photographs during medical operations
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/006—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly setting of both diaphragm and distance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2576/00—Medical imaging apparatus involving image processing or analysis

Definitions

  • Examples relate to an apparatus for an optical imaging system, such as surgical optical imaging system, an optical imaging system, a method, and a computer program.
  • an iris aperture stop it is possible for an iris aperture stop to be introduced into the beam path of a microscope.
  • a so-called double iris aperture stop with a respective iris aperture stop is introduced into the partial beam paths. That iris or double iris aperture stop can be drawn open and closed mechanically so that the aperture which is made available by the aperture stop arrangement can be adjusted.
  • the aperture of the double iris aperture stop device that is to say the diameter of the orifices of the irises
  • that establishes the transmission characteristic of an optical imaging system that is to say the proportion of the amount of radiation issuing from the optical imaging system in relation to the amount of radiation passing into the microscope, as a function of the magnification factor.
  • multiple parameters besides a magnification factor may affect the performance of the optical imaging system.
  • the concept proposed in the present disclosure is based on the insight, that a setting of a diaphragm can be adjusted based on surgery data.
  • the surgery data may be indicative of a surgery being performed or to be performed. That is, the setting of the diaphragm can be adjusted to an actual or current surgery performed using the optical imaging system.
  • Examples provide an apparatus for an optical imaging system.
  • the apparatus comprises one or more processors and one or more storage devices.
  • the apparatus is configured to obtain surgery data indicative of a surgery being performed or to be performed using the optical imaging system. Further, the apparatus is configured to determine setting data indicative of a setting of a diaphragm of the optical imaging system. The setting data is determined based on the surgery data.
  • the apparatus is further configured to transmit the setting data for adjusting the setting of the diaphragm.
  • the surgery data may allow to determine an intended use or a current use of the optical imaging system.
  • the intended use or the current use of the optical imaging system may be specific for a desired or appropriate setting of the diaphragm. Thus, the intended use or the current use may require a specific setting of the diaphragm.
  • the surgery data may indicate the setting of the diaphragm. Therefore, based on the surgery data a user experience and/or a performance of the optical imaging system can be improved.
  • the setting data determined based on the surgery data may allow adjustment of the setting of the diaphragm according to an intended use or current use. In this way, a setting of the diaphragm can be adjusted in a facilitated way.
  • the surgery data may be indicative of a surgical workflow and/or a surgical workflow sequence of the surgical workflow.
  • the surgical workflow may be an entire surgery, such like retina surgery or cataract surgery.
  • the surgical workflow sequence may be a process step of the entire surgery, such like capsulorhexis guidance, phacoemulsification monitoring, wound closure confirmation. That is, the setting of the diaphragm can be adjusted depending on a surgery performed using the optical imaging system. In this way, the setting of the diaphragm can be adjusted, e.g., automatically, to the intended use or current use of the optical imaging system.
  • the apparatus may be configured to obtain the surgery data by obtaining microscope data indicative of a setting of the optical imaging system and by determining the surgery data based on the microscope data.
  • the setting of the optical imaging system may be specific for the surgery, e.g., a specific setting parameter may indicate a surgery.
  • the setting of the diaphragm can be adjusted based on the setting of the optical imaging system, e.g., the setting parameter. This may allow to determine the setting data in a facilitated way.
  • the apparatus may be configured to obtain the surgery data by obtaining sensor data of an optical imaging sensor of the optical imaging system.
  • the sensor data may be indicative of a view of the sample.
  • the apparatus may be configured to obtain the surgery data by determining the surgery data based on the sensor data. That is, the apparatus may perform an analysis of the view of the sample to identify a structure in the view of the sample. For example, the view of the sample may show a retina. In this case, the apparatus can identify the retina and may determine that a retina surgery may be performed. In this way, the surgery data can be determined based on a view of a sample acquired with the optical imaging system. Thus, an adjustment of the setting of the diaphragm can be performed automatically, for example.
  • the apparatus may be configured to obtain the surgery data by receiving user input data indicative of an intention of the user to perform a surgical workflow or a surgical workflow sequence of a surgical workflow and by determining the surgery data based on the user input.
  • the user input may allow to determine the surgery data based on an actual intent of the user. That is, the user can provide information about an intended or actual performed surgical workflow. In this way, the setting of the diaphragm can be adjusted according to an intention of the user.
  • the apparatus may be configured to obtain second surgery data indicative of the surgery being performed and to determine second setting data indicative of a second setting of the diaphragm of the optical imaging system.
  • the apparatus may be configured to transmit the second setting data for readjusting the setting of the diaphragm. That is, the apparatus can control the readjustment of the setting of the diaphragm according to a surgi- cal workflow sequence, for example.
  • the setting of the diaphragm may vary during a surgical workflow.
  • Obtaining the second surgery data may allow the apparatus to monitor the setting of the diaphragm with respect to an actual required or appropriate setting of the diaphragm. In this way, the apparatus can automatically readjust the setting of the diaphragm, e.g., during a surgical workflow.
  • the apparatus may be configured to repeatedly obtain microscope data indicative of a setting of the optical imaging system.
  • the apparatus may be further configured to determine when the setting of the optical imaging system has been changed based on the microscope data.
  • the apparatus may be configured to obtain the second surgery data by determining based on the determined change of the setting of the optical imaging system. Repeatedly obtaining microscope data may allow to facilitate a determination of a change of the setting of the optical imaging system.
  • a trigger event for adjusting or readjusting the setting of the diaphragm can be determined.
  • the use of a trigger event may allow to facilitate the (re)adjustment of the setting of the diaphragm.
  • the apparatus may be configured to repeatedly obtain sensor data of an optical imaging sensor of the optical imaging system.
  • the sensor data may be indicative of a view of a sample.
  • the apparatus may be configured to determine when the current surgical workflow sequence of the surgical workflow has been changed based on the sensor data.
  • the apparatus may be configured to obtain the second surgery data by determining based on the determined change of the current surgical workflow sequence of the surgical workflow.
  • a user of the optical imaging system may have finished a surgical workflow sequence and may change a field of view or a magnification to view a different part of the sample. In this way, a trigger event for adjusting or readjusting the setting of the diaphragm can be determined. Determining the trigger event can be based on the view of the sample.
  • the apparatus may be configured to obtain feedback data indicative of a feedback of the user on the adjusted setting of the diaphragm. Further, the apparatus may be configured to determine adjusted setting data indicative of an adjusted setting of the diaphragm of the optical imaging system based on the feedback data and to transmit the adjust- ed setting data for readjusting the setting of the diaphragm. That is, the user can provide feedback to readjust the setting of the diaphragm. In this way, the setting of the diaphragm can be adjusted to an actual need of the user.
  • the surgery data may be further indicative of an ending of the surgery.
  • the apparatus may be configured to determine when the surgery has ended based on surgery data. Further the apparatus may be configured to generate control data indicative of a termination of a surgical workflow and to transmit the control data for terminating the surgical workflow. In this way, the surgical workflow can be terminated in a facilitated way.
  • Examples provide an optical imaging system comprising an apparatus as described above.
  • Examples provide a method for an optical imaging system comprising obtaining surgery data indicative of a surgery being performed or to be performed using the optical imaging system. Further, the method comprises determining, based on the surgery data, setting data indicative of a setting of a diaphragm of the optical imaging system. The method further comprises transmitting the setting data for adjusting the setting of the diaphragm.
  • Various examples of the present disclosure relate to a corresponding computer program with a program code for performing the above method when the computer program is executed on a processor.
  • Figs, la and lb show schematic diagrams of an example of an apparatus for an optical imaging system and of a corresponding optical imaging system comprising the apparatus;
  • Fig. 5 shows a schematic diagram of a system comprising a microscope and a computer system.
  • Figs, la and lb show schematic diagrams of an example of an apparatus 130 for an optical imaging system 100 and of a corresponding optical imaging system 100 comprising the apparatus 130.
  • the apparatus 130 is tasked with controlling various aspects of a microscope 120 of the optical imaging system 100, which may be a surgical optical imaging system, and of the entire optical imaging system 100 and/or with processing various types of sensor data of the optical imaging system 100. Consequently, the apparatus 130 may be implemented as a computer system, which interfaces with the various components of the optical imaging system 100, e.g., the sensor 122.
  • the apparatus 130 may be part of the optical imaging system 100.
  • the apparatus 130 may be communicatively coupled to the optical imaging system 100.
  • the apparatus 130 may be a ready-to-use-module, that could be connected to the optical imaging system 100.
  • the surgery data may be obtained by receiving from an input device.
  • the surgery data may be determined, e.g., based on sensor data.
  • the surgery data is indicative of the surgery being performed or to be performed, e.g., by the user. That is, the surgery data may indicate a usage of the optical imaging system by the user.
  • the surgery data may comprise a surgical workflow specific for a surgery and/or a surgical workflow sequence part of a surgical workflow.
  • the setting of the diaphragm 124 of the optical imaging system 100 may depend on the actual use case of the optical imaging system 100. That is, the setting of the diaphragm 124 can be adjusted according to the surgery being performed or the surgery to be performed.
  • the apparatus 130 is configured to determine setting data indicative of a setting of a diaphragm of the optical imaging system.
  • the setting data is determined based on the surgery data. Determining the setting data based on the surgery data may allow to adjust the setting of the diaphragm 124 with respect to a usage of the optical imaging system 100.
  • the user may perform a retina surgery or a cataract surgery using the optical imaging system 100.
  • the setting of the diaphragm 124 appropriate for a retina surgery may differ from the setting for a cataract surgery.
  • a retina surgery may rely on high light power and high-resolution capability which require a large aperture, which corresponds to a large entrance pupil (i.e., an increased orifice of the diaphragm 124).
  • the entrance pupil may be the virtual image of the diaphragm as seen through the front of a lens of the optical imaging system.
  • achieving a greater depth of focus e.g., as normally prioritized in cataract surgery, necessitates a smaller entrance pupil (i.e., a decreased orifice of the diaphragm 124).
  • a setting of the diaphragm 124 with respect to the surgery for which the optical imaging system 100 is used or intended to be used can be determined based on the surgery data.
  • the apparatus 130 is configured to transmit the setting data for adjusting the setting of the diaphragm 124.
  • the apparatus 130 may transmit the setting data to an actor.
  • the actor may be configured to adjust an orifice of the diaphragm 124.
  • the apparatus 130 may transmit the setting data to a control unit of the optical imaging system 100.
  • the control unit can control an adjustment of the setting of the diaphragm 124.
  • Using the surgery data may allow adjustment of the setting of the diaphragm 124 according to the surgery for which the optical imaging system 100 is used or intended to be used. That is, the setting of the diaphragm is not only controlled based on the magnification.
  • the surgery data may allow to adjust the setting of the diaphragm 124 with respect to the surgery for which the optical imaging system 100 is used or intended to be used.
  • retina surgery demands lower illumination power because the optical imaging system works at its sensitivity limit. Therefore, having a large entrance pupil (i.e., an increased orifice of the diaphragm 124) becomes crucial to enhance light power and maintain reasonably good imaging performance.
  • cataract surgery which already has sufficient light power, prioritizes depth of view.
  • the apparatus 130 may determine the setting of the diaphragm 124 (e.g., a size of an entrance pupil for a specific surgery). For example, the apparatus 130 may incorporate a diaphragm size control into settings of the optical imaging system 100 for at least one surgery. In this way, the setting of the diaphragm 124 of the optical imaging system 100 can be adjusted according to a surgery being performed or to be performed.
  • the apparatus 130 may be configured to obtain the surgery data by obtaining microscope data indicative of a setting of the optical imaging system 100 and by determining the surgery data based on the microscope data.
  • the optical imaging system 100 may be initialized using a predefined set of parameters.
  • a scene setting of the optical imaging system may be initialized.
  • a scene may be an adjustment of the optical imaging system 100 to adjust the viewing conditions and obtain high-quality microscopic images. That is, a scene may be adapted to a specific surgery and/or to a specific surgery workflow or specific surgery workflow sequence.
  • the microscope data may comprise information about a setting of the scene, for example.
  • the microscope data may be obtained by receiving from a control unit of the optical imaging system 100 and/or may be retrieving from a storage device, such like the storage device 136. Obtaining the microscope data may allow to facilitate an adjustment of the setting of the diaphragm 124.
  • a parameter of the optical imaging system 100 may be indicative of a surgery or a surgical procedure. By obtaining information about the parameter the determination of the setting data can be facilitated. In this way, the setting of the diaphragm 124 can be determined in a facilitated way.
  • the sensor data may be obtained by receiving from a sensor, e.g., an optical imaging sensor 122 of the microscope 120 or from a frame buffer, e.g., part of the optical imaging system 100.
  • the sensor data may be obtained by measuring by the apparatus 130.
  • the optical imaging sensor 122 may be part of the apparatus 130.
  • the apparatus 130 may control the optical imaging sensor 122 to measure the sensor data.
  • the apparatus 130 may be configured to obtain the surgery data by receiving user input data indicative of an intention of the user to perform a surgical workflow or a surgical workflow sequence of a surgical workflow and by determining the surgery data based on the user input.
  • the user input may be retrieved from a user input display, e.g., a touch display device, a keyboard, a mouse.
  • the user input may be retrieved from a storage device, e.g., the storage device 136.
  • the user input may comprise information about a surgery the user intends to perform. That is, the user of the optical imaging system 100 can provide information about an intended use of the optical imaging system 100. In this way, the apparatus 130 can adjust the setting of the diaphragm 124 ac- cording to a need of the user of the optical imaging system 100.
  • a user experience can be improved.
  • the apparatus 130 may be configured to obtain second surgery data indicative of the surgery being performed and to determine second setting data indicative of a second setting of the diaphragm 124 of the optical imaging system 100.
  • the apparatus may be configured to transmit the second setting data for readjusting the setting of the diaphragm 124. That is, the second setting data can be used to readjust the setting of the diaphragm 124.
  • multiple surgical workflow sequences may be performed by a surgeon. Different surgical workflow sequences may require different settings of the diaphragm 124.
  • the apparatus 130 can monitor the setting of the diaphragm 124.
  • the setting of the diaphragm 124 can be adjusted.
  • the surgery data may be indicative of a first surgical workflow sequence and the second surgery data may be indicative of a second surgical workflow sequence to be performed after the first surgical workflow sequence.
  • the apparatus 130 may determine second setting data different from the setting data based on the second surgery data. Therefore, the apparatus 130 may transmit the second setting data for readjusting the setting of the diaphragm 124. In this way, the setting of the diaphragm 124 can be automatically adjusted, e.g., according to a surgical workflow.
  • the second surgery data can be obtained in the same way as the surgery data. For example, the second surgery data may be obtained after the surgery data.
  • the apparatus 130 may be configured to repeatedly obtain microscope data indicative of a setting of the optical imaging system 100.
  • the apparatus 130 may be further configured to determine when the setting of the optical imaging system has been changed based on the microscope data.
  • the apparatus 130 may be configured to obtain the second surgery data by determining based on the determined change of the setting of the optical imaging system 100. Repeatedly obtaining the microscope data may allow to easily determine a change of the setting of the optical imaging system 100.
  • the change of the setting of the optical imaging system 100 may be indicative of a needed readjustment of the setting of the diaphragm 124. That is, the change of the setting of the optical imaging system 100 can be interpreted as trigger event to determine the setting of the diaphragm 124. In this way, the readjustment of the setting of the diaphragm 124 can be facilitated.
  • the apparatus 130 may be configured to repeatedly obtain sensor data of an optical imaging sensor 122 of the optical imaging system 100.
  • the sensor data may be indicative of a view of a sample 110.
  • the apparatus 130 may be configured to determine when the current surgical workflow sequence of the surgical workflow has been changed based on the sensor data.
  • the apparatus 130 may be configured to obtain the second surgery data by determining based on the determined change of the current surgical workflow sequence of the surgical workflow. That is, the apparatus 130 can determine a current surgical workflow sequence based on the sensor data, i.e., on the view of the sample 110.
  • the view of the sample 110 can be used to determine a change in the setting of the optical imaging system 100.
  • the setting of the optical imaging system 100 may be changed and thus the view of the sample 110 may be changed, too. Therefore, the sensor data can be used to determine a change in the setting of the optical imaging system 100 in a facilitated way.
  • the apparatus 130 may be configured to obtain feedback data indicative of a feedback of the user on the adjusted setting of the diaphragm 124. Further, the apparatus 130 may be configured to determine adjusted setting data indicative of an adjusted setting of the diaphragm 124 of the optical imaging system 100 based on the feedback data and to transmit the adjusted setting data for readjusting the setting of the diaphragm 124.
  • the feedback data may be obtained (e.g., received or read out) from the optical imaging system 100 or an input device and/or an external storage device.
  • the feedback data may be obtained by receiving the feedback data from the optical imaging system or an input device (e.g., via the interface 132), by reading the feedback data out from a memory of the optical imaging system or an input device (e.g., via the interface 132), or by reading the feedback data from a storage device 136 of the apparatus 130, e.g., after the feedback data has been written to the storage device 136 by the optical imaging system 100 or by another system or processor (such like an input device), e.g., comprising an external storage device.
  • the feedback data can be used to adjust the setting of the diaphragm 124 according to a desire of a user of the optical imaging system 100. In this way, a user experience can be improved.
  • the surgery data may be further indicative of an ending of the surgery.
  • the apparatus 130 may be configured to determine when the surgery has ended based on surgery data. Further the apparatus 130 may be configured to generate control data indicative of a termination of a surgical workflow and to transmit the control data for terminating the surgical workflow. In this way, the surgical workflow can be terminated in a facilitated way.
  • the apparatus 130 may transmit the control data to a control unit of the optical imaging system 100.
  • the control unit can control a termination of the surgery or a surgical workflow.
  • the apparatus 130 may control a termination of a usage of the optical imaging system 100. That is, the apparatus 130 may control a termination of a surgery or a surgical workflow.
  • the optional one or more interfaces 132 is coupled to the respective one or more processors 134 at the apparatus 130.
  • the one or more processors 134 may be implemented using one or more processing units, one or more processing devices, any means for processing, such as a processor, a computer or a programmable hardware component being operable with accordingly adapted software. Similar, the described functions of the one or more processors 134 may as well be implemented in software, which is then executed on one or more programmable hardware components.
  • Such hardware components may comprise a general-purpose processor, a Digital Signal Processor (DSP), a microcontroller, etc.
  • DSP Digital Signal Processor
  • the one or more processors 134 is capable of controlling the one or more interfaces 132, so that any data transfer that occurs over the one or more interfaces 132 and/or any interaction in which the one or more interfaces 132 may be involved may be controlled by the one or more processors 134.
  • the apparatus 130 may comprise a memory, e.g., the one or more storage devices 136 and at least one or more processors 134 operably coupled to the memory and configured to perform the method described below.
  • the one or more interfaces 132 may correspond to any means for obtaining, receiving, transmitting or providing analog or digital signals or information, e.g., any connector, contact, pin, register, input port, output port, conductor, lane, etc. which allows providing or obtaining a signal or information.
  • the one or more interfaces 132 may be wire- less or wireline and it may be configured to communicate, e.g., transmit or receive signals, information with further internal or external components.
  • the apparatus 130 may be a computer, processor, control unit, (field) programmable logic array ((F)PLA), (field) programmable gate array ((F)PGA), graphics processor unit (GPU), application-specific integrated circuit (ASICs), integrated circuits (IC) or system-on-a-chip (SoCs) system.
  • FPLA field programmable logic array
  • F field programmable gate array
  • GPU graphics processor unit
  • ASICs application-specific integrated circuit
  • IC integrated circuits
  • SoCs system-on-a-chip
  • Fig. 1 may comprise one or more optional or additional features corresponding to one or more aspects mentioned in connection with the proposed concept or one or more examples described below (e.g., Fig. 2 - 5).
  • Fig. 2 shows a flow chart of an example of a method for an optical imaging system.
  • the method 200 may comprise a surgical workflow 200, which may be performed or controlled by an apparatus as described above, e.g., with reference to Fig. 1.
  • the surgical workflow may be started.
  • a user of the optical imaging system may start the surgical workflow. That is, a surgical initialization may be performed at 210.
  • a surgical procedure may begin, and a specific surgery category may be identified.
  • the optical imaging system may be initialized.
  • the setting of the optical imaging system may be adjusted, such that a surgery according to the surgical workflow can be performed using the optical imaging system. That is, a parameter initialization may be performed.
  • parameters required for a particular surgery may be initialized, e.g., including setting up the optical imaging system.
  • a setting of a scene may be selected.
  • the apparatus may obtain setting data for adjusting a setting of a diaphragm of the optical imaging system based on the selected setting of the scene.
  • the apparatus may retrieve the setting data from an external storage device. That is, a scene selection may be performed.
  • an appropriate scene setting may be selected, which may involve determining the specific requirements for the surgery, e.g., a setting of the diaphragm. Therefore, the setting data may be retrieved for adjusting the setting of the diaphragm according to the selected setting of the scene.
  • the setting of the diaphragm may be adjusted.
  • the apparatus may transmit the setting data for adjusting the setting of the diaphragm.
  • an adjustment of the diaphragm may be performed.
  • the setting of the diaphragm e.g., a size of an orifice of the diaphragm, a position of the diaphragm, may be adjusted based on the selected scene setting. This may ensure improved imaging conditions for the surgery.
  • a check whether the setting of the scene has been changed or not may be performed.
  • the method 200 may repeat at least partly 230, e.g., retrieving second setting data for the changed setting of the scene. Then 240 can be repeated, i.e., adjusting the setting of the diaphragm based on the second setting data.
  • a check whether the surgery is completed may be performed at 260. That is, a surgery completion verification may be performed. For example, a check may be performed to verify a surgery is completed. When the surgery is not completed, 250 and 260 may be repeated.
  • the surgery workflow may be terminated at 270.
  • the surgery workflow may end. That is, a surgery completion may be performed.
  • the surgery workflow may conclude once the surgery is successfully completed.
  • Fig. 2 may comprise one or more optional or additional features corresponding to one or more aspects mentioned in connection with the proposed concept or one or more examples described above (e.g., Fig. 1) and/or below (e.g., Fig. 3 - 5).
  • the diaphragm 324, 324’ may comprise an actor config- ured to adjust a setting of the diaphragm 324, 324’.
  • the actor may receive the setting data transmitted from the apparatus 330.
  • the apparatus may be an apparatus as described with reference to Fig. 1.
  • the apparatus 330 configured to determine the setting data may be external to the diaphragm 324, 324’ (and the optical imaging sensor 322).
  • the apparatus 330 may generate or determine the control signal for adjusting the setting of the diaphragm.
  • the generation of a determination of the control signal is based on the surgery being performed or to be performed.
  • the control signal may be generated or determined based on a specific surgery category and/or a specific surgical process.
  • the diaphragm 324, 324’ may be part of the optical imaging sensor 322.
  • the diaphragm may be external to an optical imaging sensor of the optical imaging system.
  • the optical imaging sensor 322 may comprise further optional components such like beam splitters 390, 390’ used to split a beam of light for digital imaging and/or video lenses 394, 394’ used to form images on the optical imaging sensor 322.
  • the optical imaging sensor may comprise two different channels, channel A 396 and channel B 396’.
  • Fig. 3 may comprise one or more optional or additional features corresponding to one or more aspects mentioned in connection with the proposed concept or one or more examples described above (e.g., Fig. 1 - 2) and/or below (e.g., Fig. 4 - 5).
  • Fig. 4 shows a flow chart of an example of a method 400 for an optical imaging system.
  • the method 400 may be performed by an optical imaging system as described above, e.g., with reference to Fig. 1.
  • the method 400 comprises obtaining 410 surgery data indicative of a surgery being performed or to be performed using the optical imaging system. Further, the method 400 comprises determining 420, based on the surgery data, setting data indicative of a setting of a diaphragm of the optical imaging system.
  • the method 400 further comprises 430 transmitting the setting data for adjusting the setting of the diaphragm. More details and aspects are mentioned in connection with the examples described above and/or below.
  • the example shown in Fig. 4 may comprise one or more optional or additional features corresponding to one or more aspects mentioned in connection with the proposed concept or one or more examples described above (e.g., Fig. 1 - 3) and/or below (e.g., Fig. 5).
  • a microscope comprising an apparatus as described in connection with Fig. 1.
  • a microscope or an optical imaging system can be communicatively connected to an apparatus as described in connection Fig. 1.
  • Fig. 5 shows a schematic illustration of a system 500, e.g., an optical imaging system, configured to perform a method described herein, e.g., with reference to Fig. 4.
  • the system 500 comprises a microscope 510 and a computer system 520.
  • the microscope may comprise the apparatus as described above, e.g., with reference to Fig. 1.
  • the microscope 510 is configured to take images and is connected to the computer system 520.
  • the computer system 520 is configured to execute at least a part of a method described herein.
  • the computer system 520 may be configured to execute a machine learning algorithm.
  • the computer system 520 and microscope 510 may be separate entities but can also be integrated together in one common housing.
  • the computer system 520 may be part of a central processing system of the microscope 510 and/or the computer system 520 may be part of a subcomponent of the microscope 510, such as a sensor, an actor, a camera or an illumination unit, etc. of the microscope 510.
  • the computer system 520 may be a local computer device (e.g., personal computer, laptop, tablet computer or mobile phone) with one or more processors and one or more storage devices or may be a distributed computer system (e.g., a cloud computing system with one or more processors and one or more storage devices distributed at various locations, for example, at a local client and/or one or more remote server farms and/or data centers).
  • the computer system 520 may comprise any circuit or combination of circuits.
  • the computer system 520 may include one or more processors which can be of any type.
  • processor may mean any type of computational circuit, such as but not limited to a microprocessor, a microcontroller, a complex instruction set computing (CISC) microprocessor, a reduced instruction set computing (RISC) microprocessor, a very long instruction word (VLIW) microprocessor, a graphics processor, a digital signal processor (DSP), multiple core processor, a field programmable gate array (FPGA), for example, of a microscope or a microscope component (e.g., camera) or any other type of processor or pro- cessing circuit.
  • CISC complex instruction set computing
  • RISC reduced instruction set computing
  • VLIW very long instruction word
  • DSP digital signal processor
  • FPGA field programmable gate array
  • circuits may be included in the computer system 520 may be a custom circuit, an application-specific integrated circuit (ASIC), or the like, such as, for example, one or more circuits (such as a communication circuit) for use in wireless devices like mobile telephones, tablet computers, laptop computers, two-way radios, and similar electronic systems.
  • the computer system 520 may include one or more storage devices, which may include one or more memory elements suitable to the particular application, such as a main memory in the form of random access memory (RAM), one or more hard drives, and/or one or more drives that handle removable media such as compact disks (CD), flash memory cards, digital video disk (DVD), and the like.
  • RAM random access memory
  • CD compact disks
  • DVD digital video disk
  • the computer system 520 may also include a display device, one or more speakers, and a keyboard and/or controller, which can include a mouse, trackball, touch screen, voice-recognition device, or any other device that permits a system user to input information into and receive information from the computer system 520.
  • a display device one or more speakers
  • a keyboard and/or controller which can include a mouse, trackball, touch screen, voice-recognition device, or any other device that permits a system user to input information into and receive information from the computer system 520.
  • Fig. 5 may comprise one or more optional or additional features corresponding to one or more aspects mentioned in connection with the proposed concept or one or more examples described above (e.g., Fig. 1 - 4).
  • Some or all of the method steps may be executed by (or using) a hardware apparatus, like for example, a processor, a microprocessor, a programmable computer or an electronic circuit. In some embodiments, some one or more of the most important method steps may be executed by such an apparatus.
  • embodiments of the invention can be implemented in hardware or in software.
  • the implementation can be performed using a non- transitory storage medium such as a digital storage medium, for example a floppy disc, a DVD, a Blu-Ray, a CD, a ROM, a PROM, and EPROM, an EEPROM or a FLASH memory, having electronically readable control signals stored thereon, which cooperate (or are capable of cooperating) with a programmable computer system such that the respective method is performed. Therefore, the digital storage medium may be computer readable.
  • Some embodiments according to the invention comprise a data carrier having electronically readable control signals, which are capable of cooperating with a programmable computer system, such that one of the methods described herein is performed.
  • embodiments of the present invention can be implemented as a computer program product with a program code, the program code being operative for performing one of the methods when the computer program product runs on a computer.
  • the program code may, for example, be stored on a machine readable carrier.
  • inventions comprise the computer program for performing one of the methods described herein, stored on a machine readable carrier.
  • an embodiment of the present invention is, therefore, a computer program having a program code for performing one of the methods described herein, when the computer program runs on a computer.
  • a further embodiment of the present invention is, therefore, a storage medium (or a data carrier, or a computer-readable medium) comprising, stored thereon, the computer program for performing one of the methods described herein when it is performed by a processor.
  • the data carrier, the digital storage medium or the recorded medium are typically tangible and/or non-transitionary.
  • a further embodiment of the present invention is an apparatus as described herein comprising a processor and the storage medium.
  • a further embodiment of the invention is, therefore, a data stream or a sequence of signals representing the computer program for performing one of the methods described herein.
  • the data stream or the sequence of signals may, for example, be configured to be transferred via a data communication connection, for example, via the internet.
  • a further embodiment comprises a processing means, for example, a computer or a programmable logic device, configured to, or adapted to, perform one of the methods described herein.
  • a processing means for example, a computer or a programmable logic device, configured to, or adapted to, perform one of the methods described herein.
  • a further embodiment comprises a computer having installed thereon the computer program for performing one of the methods described herein.
  • a further embodiment according to the invention comprises an apparatus or a system configured to transfer (for example, electronically or optically) a computer program for performing one of the methods described herein to a receiver.
  • the receiver may, for example, be a computer, a mobile device, a memory device or the like.
  • the apparatus or system may, for example, comprise a file server for transferring the computer program to the receiver.
  • a programmable logic device for example, a field programmable gate array
  • a field programmable gate array may cooperate with a microprocessor in order to perform one of the methods described herein.
  • the methods are preferably performed by any hardware apparatus.
  • a block, device or functional aspect of the device or system may correspond to a feature, such as a method step, of the corresponding method. Accordingly, aspects described in relation to a method shall also be understood as a description of a corresponding block, a corresponding element, a property or a functional feature of a corresponding device or a corresponding system.

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  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Multimedia (AREA)
  • Optics & Photonics (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Ophthalmology & Optometry (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Pathology (AREA)
  • Microscoopes, Condenser (AREA)

Abstract

Des exemples concernent un appareil pour un système d'imagerie optique. L'appareil comprend un ou plusieurs processeurs et un ou plusieurs dispositifs de stockage. L'appareil est configuré pour obtenir des données de chirurgie indiquant une chirurgie réalisée ou à réaliser à l'aide du système d'imagerie optique. En outre, l'appareil est configuré pour déterminer des données de réglage indiquant un réglage d'un diaphragme du système d'imagerie optique. Les données de réglage sont déterminées sur la base des données de chirurgie. L'appareil est en outre configuré pour transmettre les données de réglage afin d'ajuster le réglage du diaphragme.
PCT/EP2025/054413 2024-02-19 2025-02-19 Appareil pour un système d'imagerie optique, système d'imagerie optique, procédé et programme informatique Pending WO2025176708A1 (fr)

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DE102024104520.5A DE102024104520A1 (de) 2024-02-19 2024-02-19 Apparat für ein optisches Abbildungssystem, Verfahren für ein optisches Abbildungssystem und Computerprogramm

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018100414A1 (fr) * 2016-12-01 2018-06-07 Synaptive Medical (Barbados) Inc. Système d'appareil photo permettant de fournir des images avec une résolution élevée et une grande profondeur de champ simultanées
WO2022207851A1 (fr) * 2021-03-31 2022-10-06 Leica Instruments (Singapore) Pte. Ltd. Amélioration de l'image de caractéristiques anatomiques
WO2023073085A1 (fr) * 2021-10-28 2023-05-04 Leica Instruments (Singapore) Pte. Ltd. Système, procédé et programme informatique pour un dispositif d'imagerie d'un système d'imagerie chirurgicale
EP4202523A1 (fr) * 2021-12-21 2023-06-28 Leica Instruments (Singapore) Pte. Ltd. Système, procédé et programme informatique pour un système de microscope chirurgical et système de microscope chirurgical correspondant
EP4226844A1 (fr) * 2022-02-11 2023-08-16 Leica Instruments (Singapore) Pte. Ltd. Appareil et procédé pour un dispositif d'imagerie

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Publication number Priority date Publication date Assignee Title
DE102018110641B3 (de) * 2018-05-03 2019-07-25 Carl Zeiss Meditec Ag Mikroskopieverfahren zur Abbildung eines Objekts sowie Mikroskop
JP7722365B2 (ja) * 2019-12-19 2025-08-13 ソニーグループ株式会社 手術中に画像取込装置を制御するためのシステム、方法、および、コンピュータプログラム製品

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018100414A1 (fr) * 2016-12-01 2018-06-07 Synaptive Medical (Barbados) Inc. Système d'appareil photo permettant de fournir des images avec une résolution élevée et une grande profondeur de champ simultanées
WO2022207851A1 (fr) * 2021-03-31 2022-10-06 Leica Instruments (Singapore) Pte. Ltd. Amélioration de l'image de caractéristiques anatomiques
WO2023073085A1 (fr) * 2021-10-28 2023-05-04 Leica Instruments (Singapore) Pte. Ltd. Système, procédé et programme informatique pour un dispositif d'imagerie d'un système d'imagerie chirurgicale
EP4202523A1 (fr) * 2021-12-21 2023-06-28 Leica Instruments (Singapore) Pte. Ltd. Système, procédé et programme informatique pour un système de microscope chirurgical et système de microscope chirurgical correspondant
EP4226844A1 (fr) * 2022-02-11 2023-08-16 Leica Instruments (Singapore) Pte. Ltd. Appareil et procédé pour un dispositif d'imagerie

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