WO2023178672A1 - 内窥镜摄像头及内窥镜摄像系统 - Google Patents
内窥镜摄像头及内窥镜摄像系统 Download PDFInfo
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- WO2023178672A1 WO2023178672A1 PCT/CN2022/083135 CN2022083135W WO2023178672A1 WO 2023178672 A1 WO2023178672 A1 WO 2023178672A1 CN 2022083135 W CN2022083135 W CN 2022083135W WO 2023178672 A1 WO2023178672 A1 WO 2023178672A1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
Definitions
- the present invention relates to the technical field of medical devices, and specifically to an endoscope camera and an endoscope camera system.
- Rigid tube endoscopes are mainly used for the diagnosis and/or treatment of lesions in the natural orifice of the superficial and shallow parts of the human body and the oral tract opened by puncture, such as cystoscopy and hysteroscopy. Rigid tube endoscopes cannot be bent during operation. .
- Rigid tube endoscopes mainly include cameras, light sources, light guides, rigid tube endoscopes, optical bayonet, camera host and monitors.
- the camera includes an optical module and a handwheel.
- the handwheel is used to drive the zoom of the optical module.
- the optical module is provided with a spiral groove, and the handwheel is connected to the spiral groove.
- the handwheel drives the axial movement of the optical module through the spiral groove to achieve zooming.
- the axial space of the camera is limited, and the length of the spiral groove is limited, resulting in a limited rotation angle of the handwheel, which in turn affects the focus adjustment of the camera.
- An embodiment provides an endoscopic camera, including:
- An optical module includes a lens barrel, a fixed optical component and an adjustable optical component.
- the fixed optical component is fixedly arranged in the lens barrel, and the adjustable optical component is axially movably arranged in the lens barrel;
- a chip module includes a housing and a chip assembly, the housing is connected to the lens barrel, and the chip assembly is arranged in the housing;
- a driving device has an output end and an electrical connection end, the output end is connected to the adjustable optical component, and the electrical connection end is electrically connected to the chip assembly;
- a hand wheel rotatably provided on the lens barrel
- a detection device includes a trigger piece and a detection piece.
- the trigger piece is arranged on the handwheel.
- the detection piece is electrically connected to the chip assembly.
- the detection piece has a detection end, and the detection end faces the trigger.
- the detection component is configured to detect the trigger component rotating together with the handwheel and generate a corresponding detection signal.
- the chip module calculates the rotation direction and/or the rotation direction of the handwheel based on the detection signal. Or the rotation angle, the chip module controls the driving device to drive the adjustable optical component to move according to the calculation result to achieve zoom or focus adjustment.
- the triggering element is provided with a triggering area and a non-triggering area, and several triggering areas and non-triggering areas are alternately arranged on a circle.
- the triggering area and the non-triggering area are used to trigger the triggering area.
- the detection piece forms a pulse signal.
- the trigger area and the non-trigger area span the same central angle.
- the pulse signal includes a first pulse signal and a second pulse signal with a phase difference
- the chip module calculates the value of the handwheel based on the first pulse signal and the second pulse signal. Rotation direction and rotation angle.
- the phase difference between the first pulse signal and the second pulse signal is 90°.
- the detection element is used to emit and receive detection light
- the triggering element is used to reflect or transmit detection light to trigger the detection element to generate a pulse signal
- the detection component includes a transmitting end and a receiving end.
- the transmitting end of the detecting component is used to emit detection light
- the receiving end of the detection component is used to receive detection light.
- the detection component is configured according to the emission and The received detection light generates the pulse signal.
- the triggering member is a grating code disk, and the grating code disk has alternating reflective areas and light-absorbing areas.
- the reflective area is the triggering area
- the light-absorbing area is the non-triggering area.
- the detection component includes a photoelectric encoding chip
- the photoelectric encoding chip includes a transmitting end and a receiving end.
- the transmitting end and receiving end of the photoelectric encoding chip are located on the same side of the grating code disk, and the The transmitting end of the photoelectric encoding chip is used to emit detection light, and the receiving end of the photoelectric encoding chip is used to receive the detection light reflected by the reflective area.
- the photoelectric encoding chip generates the detection light based on the emitted and received detection light. Pulse signal.
- the detection component includes a photoelectric encoding chip
- the photoelectric encoding chip includes a first transmitting end, a first receiving end, a second transmitting end, and a second receiving end; the first transmitting end of the photoelectric encoding chip
- the first transmitting end of the photoelectric encoding chip is used to emit the first detection light
- the first receiving end of the photoelectric encoding chip is used to receive the reflected light.
- the first detection light reflected in the area, the photoelectric encoding chip generates a first pulse signal according to the first detection light emitted and received; the second transmitting end and the second receiving end of the photoelectric encoding chip are located on the grating code disk.
- the second transmitting end of the photoelectric encoding chip is used to emit the second detection light
- the second receiving end of the photoelectric encoding chip is used to receive the second detection light reflected by the reflective area.
- the photoelectric encoding chip A second pulse signal is generated based on the emitted and received second detection light.
- the detection component includes a first photoelectric encoding chip and a second photoelectric encoding chip.
- the first photoelectric encoding chip includes a first transmitting end and a first light receiving end.
- the first photoelectric encoding chip has The first transmitting end and the first receiving end are located on the same side of the grating code disk.
- the first transmitting end of the first photoelectric encoding chip is used to emit the first detection light.
- the first connection of the first photoelectric encoding chip The optical end is used to receive the first detection light reflected by the reflective area, and the first photoelectric encoding chip is used to generate a first pulse signal according to the first detection light emitted and received;
- the second photoelectric encoding chip includes a second The transmitting end and the second optical receiving end.
- the second transmitting end and the second receiving end of the second photoelectric encoding chip are located on the same side of the grating code disk.
- the second transmitting end of the second photoelectric encoding chip is used for Emitting second detection light
- the second light receiving end of the second photoelectric encoding chip is used to receive the second detection light reflected by the reflective area
- the second photoelectric encoding chip is used to transmit and receive the second detection light according to the The second detection light generates a second pulse signal.
- the grating code disk has an annular flat plate structure, and the light-reflecting area and the light-absorbing area are located in an annular plane.
- the triggering member is an annular disk, and the annular disk is provided with a plurality of convex strips evenly distributed on a circumference.
- the convex strips are the triggering areas, and the convex strips between the convex strips are The gap area is the non-triggering area.
- the triggering member is an annular disk, and the annular disk is provided with a plurality of strip holes evenly distributed on a circumference.
- the strip holes are the non-triggering area, and the strip holes are The area in between is the trigger zone.
- the detection component includes a photoelectric switch.
- the photoelectric switch includes a transmitting end and a receiving end. The transmitting end and the receiving end of the photoelectric switch are located on both sides of the trigger area. The transmitting end of the photoelectric switch The receiving end of the photoelectric switch is used to receive the detection light reflected by the triggering area, and the photoelectric switch generates the pulse signal according to the detection light emitted and received.
- the detection component includes a first photoelectric switch and a second photoelectric switch.
- the first photoelectric switch includes a first transmitting end and a first receiving end. The first transmitting end and the first receiving end of the first photoelectric switch. The first receiving ends are respectively located on both sides of the trigger area. The first transmitting end of the first photoelectric switch is used to emit the first detection light. The first receiving end of the first photoelectric switch is used to receive the non-detection light.
- the second photoelectric switch includes a second transmitting end and a second receiving end, and the first photoelectric switch The second transmitting end and the second receiving end of the two photoelectric switches are respectively located on both sides of the trigger area.
- the second transmitting end of the second photoelectric switch is used to emit the second detection light.
- the second transmitting end of the second photoelectric switch is The two receiving ends are used to receive the second detection light transmitted by the non-triggering area, and the second photoelectric switch generates a second pulse signal according to the emitted and received second detection light.
- the lens barrel is provided with a mounting seat, and the detection component is installed on the mounting seat.
- the lens barrel is also provided with a threading hole, and the threading hole is used to thread the detection piece.
- the optical path environment of the optical module and the optical path environment of the detection device are separated from each other.
- a light shielding member is provided between the optical module and the detection device.
- the handwheel has an axial annular groove, and the detection device is located in the annular groove of the handwheel.
- a sealing member is provided at the opening of the annular groove, and the sealing member is used to seal the detection device in the annular groove.
- an endoscope camera including:
- the optical module is used to obtain optical image information of the target part and provide a transmission light path for the optical image information
- a chip module the chip module is connected to the optical module and is used to receive the optical image information transmitted by the optical module and convert the optical image information into an electrical signal;
- An operating member is connected to the optical module and used to adjust the parameters of the optical module according to the user's operation;
- the detection device includes a trigger piece and a detection piece, the trigger piece is arranged on the operating piece, and moves together with the operating piece according to the user's operation; the detection piece is used to emit the third A detection signal is obtained, and a second detection signal formed by the reflection or transmission of the first detection signal by the trigger member is obtained, and the user's operation amount of the operating member is determined based on the second detection signal.
- the first detection signal and the second detection signal are optical signals.
- the detection device includes a photoelectric encoder
- the triggering member includes a grating code disk of the photoelectric encoder
- the detection member includes a photoelectric encoding chip of the photoelectric encoder
- the photoelectric encoding chip For transmitting the first detection signal and receiving the second detection signal, and determining the user's operation amount on the operating member based on the second detection signal.
- the operating member is a focusing handwheel, which is used to rotate according to the user's operation to adjust the imaging focus of the optical module.
- an endoscope camera system including a light source, a light guide, an endoscope, an optical bayonet, a communication cable, a camera host, a display, a video connection cable, and any of the components in claims 1 to 25.
- the endoscope camera according to one item, the light source is connected to the endoscope through the light guide, one end of the endoscope camera is connected to the endoscope through the optical bayonet, the The other end of the endoscope camera is connected to the camera host through the communication cable, and the camera host is connected to the display through the video connection line.
- the endoscope camera is provided with a detection device.
- the detection device is used to detect the rotation direction and angle of the handwheel, and then drives the optical module through the driving device to zoom.
- the handwheel is an indirect driving component, which removes the rotation restriction of the handwheel, allowing the handwheel to be rotated at will to indirectly drive the zoom or focus adjustment, which greatly improves the feel of use and increases the range of zoom or focus adjustment.
- Figure 1 is a schematic structural diagram of an endoscope camera in an embodiment
- Figure 2 is a partial axial cross-sectional view of an endoscope camera in one embodiment
- Figure 3 is a partial three-dimensional cross-sectional view of an endoscope camera in an embodiment
- Figure 4 is an enlarged view of part A of Figure 2;
- Figure 5 is a schematic structural diagram of the trigger (grating code disk) in an embodiment
- Figure 6 is a schematic structural diagram of the detection component (photoelectric encoding chip) in an embodiment
- Figure 7 is a partial schematic diagram of a grating code disk in an embodiment
- Figure 8 is a schematic diagram of a first pulse signal and a second pulse signal in an embodiment
- Figure 9 is a schematic structural diagram of a detection device in an embodiment
- Figure 10 is a schematic structural diagram of a detection component (photoelectric switch) in an embodiment
- Figure 11 is a schematic structural diagram of an endoscope camera system in an embodiment.
- connection and “connection” mentioned in this application include direct and indirect connections (connections) unless otherwise specified.
- the front end in this article refers to the end close to the patient, and the back end is the end far away from the patient.
- an endoscope camera adopts an indirect drive method to realize zoom or focus adjustment.
- the handwheel is used as a reference target, and a detection device and a driving device are added.
- the detection device is used to monitor the user's rotation.
- the driving device is controlled to drive the optical module to move for zooming or focusing.
- the endoscopic camera in this embodiment mainly includes an optical module 1 , chip module 2 , driving device 3 , hand wheel 4 , detection device 5 and handle 6 .
- Optical module 1 The rear end of the insert is mounted on the handle 6 In the cavity, the optical module 1 Used to obtain optical image information of the target part and provide a transmission light path for the optical image information.
- Optical module 1 Includes lens barrel 11 , fixed optical components 12 and tunable fiber optic assemblies 13 , lens tube 11 The front end is used to connect the optical bayonet 7 , lens tube 11 backend and chip modules 2 connect.
- Fixed optical components 12 fixedly mounted on lens barrel 11 Inside, fixed optical components 12 It includes a fixed mirror base and a fixed lens, and one or more fixed lenses are installed in the fixed mirror base.
- Adjustable fiber optic components 13 set in lens barrel 11 Internal, adjustable fiber optic assembly 13 Ability to relatively secure optical components 12 Axial movement to achieve zoom or focus imaging.
- Adjustable fiber optic components 13 It includes an adjustable mirror base and an adjustable lens. One or more adjustable lenses are installed in the adjustable mirror base. The adjustable mirror base and the adjustable lens move together axially as an integral structure.
- Chip module 2 mounted on handle 6 In the cavity, the chip module 2 For receiving optical modules 1 Transmit optical image information and convert the optical image information into electrical signals. Chip module 2 also with drive unit 3 and detection device 5 connection, chip module 2 Used to obtain detection signals and control the driving device based on the detection signals 3 Drive optical module 1 Zoom or focus movement.
- Chip module 2 Mainly includes shell twenty one and chip components twenty two ,case twenty one The front end passes through the front cover 8 with lens barrel 11 rear connection, lens barrel 11 rear end and housing twenty one docking. chip components twenty two Mounted on the housing via bracket twenty one within, and chip components twenty two with fixed optical components 12 and tunable fiber optic assemblies 13 Align along the optical axis so that the optical assembly is fixed 12 and tunable fiber optic assemblies 13 The transmitted optical signal can illuminate the chip component twenty two Inside.
- Drive unit 3 Includes motor 31 , screw 32 and slider 33 , driving device 3 set in case twenty one inside, drive unit 3 Through the fixed frame and housing twenty one connect.
- motor 31 For stepper motors, screw 32 with motor 31 output shaft connection, slider 33 With threaded and through holes, slider 33 axially movably connected to the screw through a threaded hole 32 up, slider 33 with adjustable fiber optic components 13 connect.
- motor 31 The forward and reverse rotation is used to drive the slider 33 The axial movement forward or backward causes the drive device to 3 Ability to drive tunable fiber optic assemblies 13 Precise axial movement.
- the drive device 3 Including linear motor
- the output end of the linear motor is directly connected to the adjustable fiber optic assembly 13 connection, which can also realize adjustable fiber optic components 13 precise axial adjustment.
- the drive device 3 Located in the shell twenty one inside, drive device 3 Attached to lens barrel 1 Up, lens barrel 1 to drive unit 3 Play the role of support and fixation.
- the motor 31 and chip components twenty two electrical connections, chip components twenty two used to control motors 31 number of turns and direction of rotation.
- hand wheel 4 For operating parts, hand wheel 4 Focusing handwheel, handwheel 4 Rotate according to user's operation to indirectly adjust the optical module 1 imaging focal length.
- hand wheel 4 Rotatably mounted on lens barrel 11 Up, hand wheel 4 capable of facing the lens barrel 11 arbitrary 360 ° forward and reverse rotation.
- hand wheel 4 For a ring structure, the hand wheel 4 There is an annular groove on the rear side of the shaft 41 , specific hand wheel 4 With a step groove, hand wheel 4 step groove and lens barrel 11 form a circular groove 41 .
- annular groove 41 It can also be set on the handwheel 4 The middle part of the annular groove 41 Used to accommodate detection devices 5 .
- Detection device 5 Used to detect handwheels 4 The operation amount is used to detect the handwheel 4 rotation angle and direction of rotation.
- Detection device 5 Including various forms, detection devices 5 Including contact detection devices and non-contact detection devices.
- the touch detection device includes a conductive disk and a probe.
- the conductive disk is set on the handwheel. 4
- On the conductive plate there are alternating conductive areas and non-conductive areas, or alternating high-resistance areas and low-resistance areas.
- Conductive disc hand wheel 4 During the rotation process, the conductive needle will come into contact with alternating conductive areas and non-conductive areas, forming a pulse signal.
- the handwheel can be calculated from the pulse signal. 4
- the operation amount adjust the chip module according to the operation amount 2 focus parameters.
- the non-contact detection device includes a photoelectric detection device and a magnetic induction detection device.
- the photoelectric detection device detects by detecting light
- the magnetic induction detection device detects by magnetic changes.
- Photoelectric detection includes a trigger piece and a detection piece.
- the trigger piece is set on the handwheel. 4
- On the trigger part there are alternating light-reflecting areas and light-absorbing areas, or alternating light-transmitting areas and light-shielding areas.
- the detection part can emit and receive light.
- the detection part emits light to the triggering part, and the triggering part turns with the hand. 4
- the detection part will emit light to the reflective area and light-absorbing area, or emit light to the light-transmitting area and light-shielding area.
- the detection part receives pulsed reflected light or transmitted light to form a pulse signal.
- the pulse signal can be used to calculate shot wheel 4 amount of operations.
- the magnetic induction detection device includes a trigger piece and a detection piece.
- the trigger piece is set on the handwheel. 4 on, the trigger is a ring magnet with alternating N polar region and S In the polar area, the detection part is configured to detect the magnetic field, and the triggering part follows the handwheel 4 During the rotation process, the detection part will sense different magnetic field changes and form a pulse signal.
- the handwheel can be calculated through the pulse signal. 4 amount of operations.
- Non-contact photoelectric detection devices are used. Compared with contact detection devices, non-contact detection devices have the advantages of higher detection accuracy and longer service life. Contact detection devices have a lower service life and are prone to accidental touches. Compared with magnetic induction detection devices, photoelectric detection devices have the advantages of low interference and high detection accuracy. Magnetic induction detection devices are easily affected by environmental magnetic fields. Especially in advanced density detection applications, smaller environmental magnetic fields can cause larger detection errors.
- detection device 5 Includes trigger 51 and test parts 52 , trigger 51 It is a grating code disk with a ring structure, and the trigger part 51 Fixed on the handwheel by bonding, etc. 4 annular groove 41 Inside.
- Trigger 51 The opposite side of the bonding surface is provided with alternating triggering areas and non-triggering areas.
- the triggering area is a reflective area. 511
- the non-triggering area is the light absorption area 512 , reflective area 511 and light-absorbing area 512 It has the same central angle across the span, that is, the sector area of the grating holes is equal to the shape and size of the area between the grating holes.
- handwheel 4 It is made of rubber, the grating code disc is made of metal, and the grating hole of the grating code disc is the light absorption area. 512 , the metal area between the grating holes of the grating code disk is the reflective area 511 .
- handwheel 4 The surface connected to the grating code disk is pasted with a light-absorbing layer, and the grating code disk is connected to the hand wheel oppositely. 4 The other side is affixed with a reflective layer with holes, which can also achieve a reflective area. 511 and light-absorbing area 512 settings, handwheel 4 The material of the grating code disc can be chosen arbitrarily.
- the grating code disk is a ring-shaped annular structure, the gratings are distributed on the annular surface of the annular structure, and the detection element 52 Set on the outside or inside of the ring structure, the detection piece 52
- the receiving area of the receiving end is relatively larger, and it can also receive the reflective area located on the curved surface. 511 Reflected detection light.
- the detection piece 52 Including a photoelectric encoding chip
- the photoelectric encoding chip includes a light-emitting led light source and a light signal detection circuit to emit light led It is the transmitting end of the photoelectric encoding chip
- the optical signal detection circuit is equipped with a photosensitive receiving tube, and the photosensitive receiving tube is the receiving end.
- glow led Two channels of emitted light are formed through the lens to emit light. led It includes a first emission end and a second emission end, the first emission end is used to emit the first detection light, and the second emission end is used to emit the second detection light.
- the optical signal detection circuit is provided with two photosensitive receiving tubes, and the two photosensitive receiving tubes are respectively the first receiving end and the second receiving end.
- the first receiving end is used to receive the reflective area of the grating code disk 511 Reflected first detection light, the photoelectric encoding chip generates a first pulse signal based on the first detection light emitted and received; the second receiving end is used to receive the reflective area of the grating code disk 511 The second detection light is reflected, and the photoelectric encoding chip generates a second pulse signal according to the emitted and received second detection light.
- the first detection light is emitted as the first detection signal
- the received first detection light is the second detection signal
- the first pulse signal can be generated according to the second detection signal
- the used wheel for the opponent wheel is determined. 4 amount of operations.
- the second detection light can also be used to determine whether the opponent wheel is used 4 amount of operations.
- the first transmitting end and the second transmitting end of the photoelectric encoding chip are arranged side by side and spaced apart along the radial direction, and the first receiving end and the second receiving end of the photoelectric encoding chip are also arranged side by side and spaced apart along the radial direction, so that the first transmitting end of the photoelectric encoding chip is simultaneously emitted.
- the detection light and the second detection light are respectively illuminated at different circumferential positions of the grating code disk, so that there is a gap between the first detection light and the second detection light pulse received by the first receiving end and the second receiving end of the photoelectric encoding chip respectively. phase difference.
- the recording of the grating code disk has certain requirements, which stipulates that every millimeter can be recorded N (approximately equal to 11.7 ) grating lines (light absorption area 512 ), the grating line is a sector-shaped area, and the central angle of the sector-shaped area is 0.21739 °, the central angle of the sector area between the grating lines is also 0.21739 °, that is, the central angle of the fan-shaped area enclosed by the light-absorbing area and the reflective area is 0.43478 °.
- the radius is R
- phase difference between the generated first pulse signal and the second pulse signal is 90 °.
- the phase difference between the first pulse signal and the second pulse signal can also be 60 ° and other degrees of difference.
- the photoelectric encoding chip has a processing module, and the photoelectric encoding chip calculates the handwheel by detecting the first pulse signal and the second pulse signal. 4 rotation angle and direction of rotation.
- the photoelectric encoding chip also has a control module, and the photoelectric encoding chip is directly connected to the driving device. 3 connection, the photoelectric encoding chip calculates the handwheel 4 The rotation angle and direction of rotation control the driving device 3 Drive optical module 1 Zoom or focus imaging.
- the lens barrel 11 There is a mounting base installed with screws on the outside of the 53 , test piece 52 Mounted on mounting base 53 superior.
- Lens tube 11 There are also holes for threading 111 , photoelectric coding chips and chip components twenty two via connecting line 54 connection, connecting line 54 One end is connected to the photoelectric encoding chip, and the connecting line 54 Pass the other end through the threading hole 111 extends to shell twenty one Internal and chip components twenty two connect.
- shading parts 112 In this embodiment, in the threading hole 111 there is also a light shield inside 112 , shading parts 112 For structures such as rubber elastic plugs or caps, light-shielding parts 112 Block the threading hole 111 , to prevent light from entering the lens tube 11 Inside. shading parts 112 Place the optical module 1 Internal optical path environment and detection device 5 The optical path environment is separated from each other to avoid detection devices 5 Detection light pair optical module 1 The imaging light transmitted within the lens is affected.
- the lens barrel 11 No threading holes are provided on the 111 , in the shell twenty one Provide threading holes on the top to connect the wires 54 from shell twenty one
- the threading holes on the twenty one and chip components twenty two Connection can also realize photoelectric encoding chips and chip components twenty two connection
- the optical module can also be 1 Internal optical path environment and detection device 5 The light path environments are separated from each other.
- detection device 5 Used to detect handwheels 4 The rotation direction and angle of rotation, and then through the driving device 3 Drive optical module 1 Make zoom or focus adjustments, handwheel 4 It is a non-directly driven part and the handwheel is removed. 4 The rotation limit makes the handwheel 4 able to 360 Any rotation within ° indirectly drives the zoom or focus adjustment, which greatly improves the feel and increases the range of zoom or focus adjustment.
- the two photoelectric encoding chips have a split structure.
- one photoelectric encoding chip includes two transmitting ends and two receiving ends, which is an integrated structure.
- the detection part in this embodiment 52 It includes two photoelectric coding chips.
- the two photoelectric coding chips have a transmitting end and a receiving end respectively.
- the two photoelectric coding chips are respectively arranged at different circumferential positions, so that the two photoelectric coding chips output two phase difference signals. Pulse signal, the handwheel can also be calculated 4 rotation angle and direction of rotation.
- test pieces 52 It includes a first photoelectric encoding chip and a second photoelectric encoding chip.
- the first photoelectric encoding chip and the second photoelectric encoding chip are arranged side by side and spaced apart relative to the grating code disk.
- the first photoelectric encoding chip includes a first transmitting end and a first receiving end.
- the first transmitting end and the first receiving end of the first photoelectric encoding chip are located on the same side of the grating code disk.
- the first transmitting end of the first photoelectric encoding chip used to emit the first detection light, and the first light receiving end of the first photoelectric encoding chip is used to receive the reflective area 511 Reflected first detection light, the first photoelectric coding chip is used to generate a first pulse signal according to the emitted and received first detection light;
- the second photoelectric coding chip includes a second transmitting end and a second light receiving end, the second photoelectric coding chip The second transmitting end and the second receiving end of the chip are located on the same side of the grating code disk.
- the second transmitting end of the second photoelectric encoding chip is used to emit the second detection light.
- the second light receiving end of the second photoelectric encoding chip is used to Receive reflective area 511 The second detection light is reflected, and the second photoelectric encoding chip is used to generate a second pulse signal according to the emitted and received second detection light.
- the detection component 52 It includes a photoelectric coding chip.
- the photoelectric coding chip includes a transmitting end and a receiving end.
- the photoelectric coding chip generates a pulse signal, which is used to calculate the handwheel. 4 angle of rotation. hand wheel 4
- the rotation direction is detected through other devices, such as photoelectric switches or contact detection devices.
- the detection device 5 Two photoelectric switches are used for detection.
- the two photoelectric switches generate the first pulse signal and the second pulse signal with phase difference respectively.
- the handwheel can also be calculated. 4 rotation angle and direction of rotation.
- the detection device 5 Includes ring disc 55 , the first photoelectric switch 56 and a second photoelectric switch 57 , ring disk 55 As the trigger, the first photoelectric switch 56 and a second photoelectric switch 57 For testing parts.
- ring disk 55 There are several convex strips evenly distributed on a circle 551 , convex strips 551 Located in a plane, convex strips 551 is the trigger area, convex strip 551 The gap area between them is the non-triggering area.
- the ribs 551 It can also be set in an annular surface.
- the first photoelectric switch 56 and a second photoelectric switch 57 Set side by side along the circumference.
- the first photoelectric switch 56 and a second photoelectric switch 57 It has a transmitting end and a receiving end respectively, and the transmitting end and the receiving end are formed with the body.
- U type structure, ring disk 55 convex strips 551 Wear the first photoelectric switch 56 and a second photoelectric switch 57 of U In the groove, the annular disk 55 convex strips 551 Equivalent to the first photoelectric switch used for cutting 56 and a second photoelectric switch 57 of U
- the optical signal in the groove causes the first photoelectric switch to 56 and a second photoelectric switch 57 formed separately - break - open - On-off alternating state, thereby forming a pulse signal.
- the first photoelectric switch 56 Including a first transmitting end and a first receiving end, a first photoelectric switch 56 The first transmitting end and the first receiving end are respectively located on the convex strip 551 On both sides, the first photoelectric switch 56 The first transmitting end is used to emit the first detection light, and the first photoelectric switch 56 The first receiving end is used to receive the first detection light transmitted by the non-triggering area, and the first photoelectric switch generates a first pulse signal according to the emitted and received first detection light.
- Second photoelectric switch 57 Including a second transmitting end and a second receiving end, a second photoelectric switch 57 The second transmitting end and the second receiving end are respectively located on the convex strip 551 On both sides, the second photoelectric switch 57 The second emission end is used to emit the second detection light, and the second photoelectric switch 57 The second receiving end is used to receive the second detection light transmitted by the non-triggering area, and the second photoelectric switch generates a second pulse signal according to the emitted and received second detection light.
- two photoelectric switches are used to replace the photoelectric encoding chip in the above implementation.
- the handwheel By switching the on-off state of the photoelectric switch, the handwheel can also be calculated. 4
- the rotation angle of the two photoelectric switches can also be calculated based on the phase difference. 4 direction of rotation, thereby realizing the optical module 1 zoom or focus imaging.
- the annular disk 55 Structure similar to grating code disc, ring disc 55 There are several bar-shaped grooves evenly distributed on a circle. The bar-shaped grooves are the non-triggering area, and the area between the bar-shaped grooves is the triggering area.
- the first photoelectric switch 56 The first transmitting end and the first receiving end, and the second photoelectric switch 57 The second transmitting end and the second receiving end are respectively arranged on both sides of the strip groove. It is also possible to generate the first pulse signal and the second pulse signal respectively with a phase difference.
- the detection device 5 It includes a ring disk and a photoelectric switch.
- the photoelectric switch includes a transmitting end and a receiving end.
- the photoelectric switch generates a pulse signal through detection. This pulse signal is used to calculate the handwheel. 4 angle of rotation. handwheel 4
- the rotation direction is detected through other devices, such as photoelectric switches or contact detection devices.
- endoscopic camera system 1000 includes light source 10 , guide beam 20 , rigid endoscope 30 , optical bayonet 40 , endoscopic camera 50 , communication cables 81 , camera host 60 ,monitor 70 and video cable 82 .
- endoscopic cameras 50 It is the endoscopic camera in the above embodiment.
- the communication cable 81 Can be optical communication cables, such as optical fibers; endoscope cameras 50 Convert image signals (electrical signals) into optical signals, and use communication cables to 81 Transfer to camera host 60 , camera host 60 The optical signal is then converted into an electrical signal.
- camera host 60 Via video cable 82 with monitor 70 connection to send the video signal to the monitor 70 display.
- Endoscope camera system only 1000 examples do not constitute an endoscope camera system 1000 Limited, endoscopic camera system 1000 Can include comparison pictures 11 Showing more or fewer parts, or combinations of certain parts, or different parts, such as endoscopic camera systems 1000 It can also include expanders, smoke control devices, input and output equipment, network access equipment, etc.
- the illumination light source 10 Used to target the area to be observed 100 Provide lighting source.
- the illumination light source includes a visible light illumination light source and a laser illumination light source corresponding to the fluorescent reagent (eg, near-infrared light).
- light source 10 Including, but not limited to laser light sources, led light source or laser diode.
- the light source 10 Including visible light sources and laser light sources corresponding to fluorescent reagents.
- the visible light source is led light source.
- the visible light source can provide multiple monochromatic lights in different wavelength ranges, such as blue light, green light, red light, etc.
- the visible light source may also provide a combination of the plurality of monochromatic lights, or may be a broad spectrum white light source.
- the wavelength range of the monochromatic light is roughly 400nm to 700nm .
- Laser light sources are used to generate laser light.
- the laser is, for example, near-infrared light ( Near Infrared ; NIR ).
- the peak wavelength of the laser is 780nm or 808nm at least any within the range 1 value.
- the endoscopic camera system is used 1000 Before imaging, at the site to be observed 100 Introducing a contrast agent, such as indocyanine green ( Indocyanine Green ; ICG ) to allow for imaging of tissue structure and function not easily visible with standard visible light imaging techniques (e.g., blood in vessels). / lymph fluid / bile) imaging.
- a contrast agent such as indocyanine green ( Indocyanine Green ; ICG ) to allow for imaging of tissue structure and function not easily visible with standard visible light imaging techniques (e.g., blood in vessels). / lymph fluid / bile) imaging.
- Parts to be observed 100 Including, but not limited to the blood circulation system, lymphatic system and tumor tissue.
- ICG Commonly known as indocyanine green, diagnostic green needle, and indocyanine green, it is a contrast agent commonly used in the clinical diagnosis of cardiovascular system diseases and is widely used in choroidal and retinal vascular imaging.
- the contrast agent in the device can generate fluorescence after absorbing the laser light generated
- Endoscopic camera system of this embodiment 1000 due to the endoscopic camera 50 Drive device added inside 3 and detection device 5 , can pass the detection device 5
- Drive optical module 1 Make zoom or focus adjustments, hand wheel 4 It is a non-directly driven part and the handwheel is removed. 4
- the rotation limit makes the handwheel 4 It can be rotated at will to indirectly drive the zoom or focus adjustment, which greatly improves the feel of use and increases the range of zoom or focus adjustment.
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Abstract
一种内窥镜摄像头及内窥镜摄像系统，内窥镜摄像头包括光学模组、芯片模组、驱动装置、手轮和检测装置，检测装置包括触发件和检测件，触发件设置在手轮上，检测件与芯片组件电连接；检测件用于检测随手轮一同转动的触发件并生成相应的检测信号，芯片模组根据检测信号计算出手轮的转动方向和/或转动角度，芯片模组根据计算结果控制驱动装置驱动可调光学组件移动，以实现变焦或对焦调节。由于设置有检测装置，检测装置用于检测手轮的转动方向和转动角度，再通过驱动装置驱动光学模组进行变焦或对焦调节，手轮为非直接驱动件，解除了手轮的转动限制，使得手轮能够任意转动间接驱动变焦或对焦调节，提高了使用手感，及增加了变焦或对焦调节的范围。
Description
本发明涉及医疗器械技术领域，具体涉及内窥镜摄像头及内窥镜摄像系统。
硬管内窥镜，主要用于人体表浅及浅层部位自然腔道和通过穿刺开口腔道的病灶诊断和(或)治疗，如膀胱镜、宫腔镜，在操作中硬管内窥镜不可弯曲。
硬管内窥镜主要包括摄像头、光源、导光束、硬管内窥镜、光学卡口、摄像主机和显示器。摄像头包括光学模组和手轮，手轮用于驱动光学模组的变焦。目前光学模组上设有螺旋槽，手轮与螺旋槽连接，手轮通过螺旋槽驱动光学模组的轴向移动，以实现变焦。但摄像头轴向空间有限，螺旋槽的长度有限，导致手轮的转动角度有限，进而影响摄像头的调焦使用。
一种实施例中提供一种内窥镜摄像头，包括：
光学模组，包括镜筒、固定光学组件和可调光学组件，所述固定光学组件固定设置在所述镜筒内，所述可调光学组件可轴向移动地设置在所述镜筒内；
芯片模组，包括壳体和芯片组件，所述壳体与所述镜筒连接，所述芯片组件设置在所述壳体内；
驱动装置，具有输出端和电连接端，所述输出端与所述可调光学组件连接，所述电连接端与所述芯片组件电连接；
手轮，可转动地设置在所述镜筒上；以及
检测装置，包括触发件和检测件，所述触发件设置在所述手轮上，所述检测件与所述芯片组件电连接，所述检测件具有检测端，所述检测端朝向所述触发件设置；所述检测件用于检测随所述手轮一同转动的所述触发件并生成相应的检测信号，所述芯片模组根据所述检测信号计算出所述手轮的转动方向和/或转动角度，所述芯片模组根据计算结果控制所述驱动装置驱动所述可调光学组件移动，以实现变焦或对焦调节。
一种实施例中，所述触发件上设有触发区和非触发区，若干个所述触发区和非触发区交替设置在一个圆周上，所述触发区和非触发区用于触发所述检测件形成脉冲信号。
一种实施例中，所述触发区和所述非触发区跨度相同的圆心角。
一种实施例中，所述脉冲信号包括具有相位差的第一脉冲信号和第二脉冲信号，所述芯片模组根据所述第一脉冲信号和所述第二脉冲信号计算所述手轮的转动方向与转动角度。
一种实施例中，所述第一脉冲信号和所述第二脉冲信号之间的相位差为90°。
一种实施例中，所述检测件用于发射和接收检测光，所述触发件用于反射或透射检测光，以触发所述检测件生成脉冲信号。
一种实施例中，所述检测件包括发射端和接收端，所述检测件的发射端用于发射检测光，所述检测件的接收端用于接收检测光，所述检测件根据发射和接收的所述检测光生成所述脉冲信号。
一种实施例中，所述触发件为光栅码盘，所述光栅码盘上具有交替的反光区和吸光区，所述反光区为所述触发区，所述吸光区为所述非触发区。
一种实施例中，所述检测件包括光电编码芯片，所述光电编码芯片包括发射端和接收端，所述光电编码芯片的发射端和接收端位于所述光栅码盘的同一侧，所述光电编码芯片的发射端用于发射检测光，所述光电编码芯片的接收端用于接收所述反光区反射的所述检测光，所述光电编码芯片的根据发射和接收的检测光生成所述脉冲信号。
一种实施例中，所述检测件包括光电编码芯片，所述光电编码芯片包括第一发射端、第一接收端、第二发射端和第二接收端；所述光电编码芯片的第一发射端和第一接收端位于所述光栅码盘的同一侧，所述光电编码芯片的第一发射端用于发射第一检测光，所述光电编码芯片的第一接收端用于接收所述反光区反射的第一检测光，所述光电编码芯片根据发射和接收的第一检测光生成第一脉冲信号；所述光电编码芯片的第二发射端和第二接收端位于所述光栅码盘的同一侧，所述光电编码芯片的第二发射端用于发射第二检测光，所述光电编码芯片的第二接收端用于接收所述反光区反射的第二检测光，所述光电编码芯片根据发射和接收的第二检测光生成第二脉冲信号。
一种实施例中，所述检测件包括第一光电编码芯片和第二光电编码芯片，所述第一光电编码芯片包括第一发射端和第一接光端，所述第一光电编码芯片的第一发射端和第一接收端位于所述光栅码盘的同一侧，所述第一光电编码芯片的第一发射端用于发射第一检测光，所述第一光电编码芯片的第一接光端用于接收所述反光区反射的第一检测光，所述第一光电编码芯片用于根据发射和接收的第一检测光生成第一脉冲信号；所述第二光电编码芯片包括第二发射端和第二接光端，所述第二光电编码芯片的第二发射端和第二接收端位于所述光栅码盘的同一侧，所述第二光电编码芯片的第二发射端用于发射第二检测光，所述第二光电编码芯片的第二接光端用于接收所述反光区反射的第二检测光，所述第二光电编码芯片用于根据发射和接收的所述第二检测光生成第二脉冲信号。
一种实施例中，所述光栅码盘为环形平板结构，所述反光区和吸光区位于一个环形平面内。
一种实施例中，所述触发件为环形盘，所述环形盘上设有均匀分布在一个圆周上的若干个凸条，所述凸条为所述触发区，所述凸条之间的间隙区域为所述非触发区。
一种实施例中，所述触发件为环形盘，所述环形盘上设有均匀分布一个圆周上的若干个条形孔，所述条形孔为所述非触发区，所述条形孔之间区域为所述触发区。
一种实施例中，所述检测件包括光电开关，所述光电开关包括发射端和接收端，所述光电开关的发射端和接收端位于所述触发区的两侧，所述光电开关的发射端用于发射检测光，所述光电开关的接收端用于接收所述触发区反射的所述检测光，所述光电开关根据发射和接收的检测光生成所述脉冲信号。
一种实施例中，所述检测件包括第一光电开关和第二光电开关，所述第一光电开关包括第一发射端和第一接收端，所述第一光电开关的第一发射端和第一接收端分别位于所述触发区的两侧，所述第一光电开关的第一发射端用于发射第一检测光，所述第一光电开关的第一接收端用于接收所述非触发区透射的第一检测光，所述第一光电开关根据发射和接收的第一检测光生成第一脉冲信号；所述第二光电开关包括第二发射端和第二接收端，所述第二光电开关的第二发射端和第二接收端分别位于所述触发区的两侧，所述第二光电开关的第二发射端用于发射第二检测光，所述第二光电开关的第二接收端用于接收所述非触发区透射的第二检测光，所述第二光电开关根据发射和接收的第二检测光生成第二脉冲信号。
一种实施例中，所述镜筒上设有安装座，所述检测件安装在所述安装座上，所述镜筒上还设有穿线孔，所述穿线孔用于穿设所述检测件与所述芯片模组之间的连接线。
一种实施例中，所述光学模组的光路环境与所述检测装置的光路环境相互隔开。
一种实施例中，所述光学模组和所述检测装置之间设有遮光件。
一种实施例中，所述手轮具有轴向的环形凹槽，所述检测装置位于在所述手轮的环形凹槽内。
一种实施例中，所述环形凹槽的开口处于设有密封件，所述密封件用于将所述检测装置密封在所述环形凹槽内。
一种实施例中，提供一种内窥镜摄像头,包括：
光学模组，所述光学模组用于获取目标部位的光学图像信息，并为所述光学图像信息提供传输光路；
芯片模组，所述芯片模组与所述光学模组连接，用于接收所述光学模组传输的光学图像信息，并将所述光学图像信息转换成电信号；
操作件，所述操作件与所述光学模组连接，用于根据用户的操作调节所述光学模组的参数；
检测装置，所述检测装置包括触发件和检测件，所述触发件设置在所述操作件上，并与所述操作件一起根据所述用户的操作而活动；所述检测件用于发射第一检测信号，并获取通过所述触发件对所述第一检测信号反射或透射形成的第二检测信号，基于所述第二检测信号确定所述用户对所述操作件的操作量。
一种实施例中，所述第一检测信号和第二检测信号为光信号。
一种实施例中，所述检测装置包括光电编码器，所述触发件包括所述光电编码器的光栅码盘，所述检测件包括所述光电编码器的光电编码芯片，所述光电编码芯片用于发射所述第一检测信号和接收所述第二检测信号，并基于所述第二检测信号确定所述用户对所述操作件的操作量。
一种实施例中，所述操作件为调焦手轮，用于根据用户的操作而旋转，以调节所述光学模组的成像焦距。
一种实施例中，提供一种内窥镜摄像系统，包括光源、导光束、内窥镜、光学卡口、通信线缆、摄像主机、显示器、视频连接线和如权利要求1至25中任一项所述的内窥镜摄像头，所述光源通过所述导光束与所述内窥镜连接，所述内窥镜摄像头的一端通过所述光学卡口与所述内窥镜连接，所述内窥镜摄像头的另一端通过所述通信线缆与所述摄像主机连接，所述摄像主机通过所述视频连接线与所述显示器连接。
依据上述实施例的内窥镜摄像头及内窥镜摄像系统，由于内窥镜摄像头设置有检测装置，检测装置用于检测手轮的转动方向和转动角度，再通过驱动装置驱动光学模组进行变焦或对焦调节，手轮为非直接驱动件，解除了手轮的转动限制，使得手轮能够任意转动间接驱动变焦或对焦调节，极大地提高了使用手感，及增加了变焦或对焦调节的范围。
图1为一种实施例中内窥镜摄像头的结构示意图；
图2为一种实施例中内窥镜摄像头的局部轴向剖视图；
图3为一种实施例中内窥镜摄像头的局部立体剖视图；
图4为图2的A处局部放大图；
图5为一种实施例中触发件（光栅码盘）的结构示意图；
图6为一种实施例中检测件（光电编码芯片）的结构示意图；
图7为一种实施例中光栅码盘的局部示意图；
图8为一种实施例中第一脉冲信号和第二脉冲信号的示意图；
图9为一种实施例中检测装置的结构示意图；
图10为一种实施例中检测件（光电开关）的结构示意图；
图11为一种实施例中内窥镜摄像系统的结构示意图。
下面通过具体实施方式结合附图对本发明作进一步详细说明。其中不同实施方式中类似元件采用了相关联的类似的元件标号。在以下的实施方式中，很多细节描述是为了使得本申请能被更好的理解。然而，本领域技术人员可以毫不费力的认识到，其中部分特征在不同情况下是可以省略的，或者可以由其他元件、材料、方法所替代。在某些情况下，本申请相关的一些操作并没有在说明书中显示或者描述，这是为了避免本申请的核心部分被过多的描述所淹没，而对于本领域技术人员而言，详细描述这些相关操作并不是必要的，他们根据说明书中的描述以及本领域的一般技术知识即可完整了解相关操作。
另外，说明书中所描述的特点、操作或者特征可以以任意适当的方式结合形成各种实施方式。同时，方法描述中的各步骤或者动作也可以按照本领域技术人员所能显而易见的方式进行顺序调换或调整。因此，说明书和附图中的各种顺序只是为了清楚描述某一个实施例，并不意味着是必须的顺序，除非另有说明其中某个顺序是必须遵循的。
本文中为部件所编序号本身，例如“第一”、“第二”等，仅用于区分所描述的对象，不具有任何顺序或技术含义。而本申请所说“连接”、“联接”，如无特别说明，均包括直接和间接连接（联接）。
本文中的前端指靠近患者的一端，后端为远离患者的一端。
一种实施例中，提供了一种内窥镜摄像头，内窥镜摄像头采用间接驱动的方式实现变焦或对焦调节，将手轮作为参考目标，增加检测装置和驱动装置，检测装置以监测用户转动手轮的操作量，再根据操作量控制驱动装置驱动光学模组移动进行变焦或对焦。
请参考图
1
和图
2
，本实施例的内窥镜摄像头主要包括光学模组
1
、芯片模组
2
、驱动装置
3
、手轮
4
、检测装置
5
和手柄
6
。
光学模组
1
的后端插入安装在手柄
6
的腔体内，光学模组
1
用于获取目标部位的光学图像信息，并为光学图像信息提供传输光路。光学模组
1
包括镜筒
11
、固定光学组件
12
和可调光纤组件
13
，镜筒
11
的前端用于连接光学卡口
7
，镜筒
11
的后端与芯片模组
2
连接。固定光学组件
12
固定安装在镜筒
11
内，固定光学组件
12
包括固定镜座和固定镜片，固定镜座内安装有一个或多个固定镜片。可调光纤组件
13
设置在镜筒
11
内，可调光纤组件
13
能够相对固定光学组件
12
轴向移动，以实现变焦或对焦成像。可调光纤组件
13
包括可调镜座和可调镜片，可调镜座内安装有一个或多个可调镜片，可调镜座和可调镜片作为一个整体结构，一同轴向移动。
芯片模组
2
安装在手柄
6
的腔体内，芯片模组
2
用于接收光学模组
1
传输的光学图像信息，并将光学图像信息转换成电信号。芯片模组
2
还与驱动装置
3
和检测装置
5
连接，芯片模组
2
用于获取检测信号，并根据检测信号控制驱动装置
3
驱动光学模组
1
变焦或对焦移动。
芯片模组
2
主要包括壳体
21
和芯片组件
22
，壳体
21
的前端通过前盖
8
与镜筒
11
的后端连接，镜筒
11
的后端与壳体
21
对接。芯片组件
22
通过支架安装在所述壳体
21
内，并且芯片组件
22
与固定光学组件
12
和可调光纤组件
13
沿光轴对齐，使得固定光学组件
12
和可调光纤组件
13
传输的光信号能够照射到芯片组件
22
内。
驱动装置
3
包括电机
31
、螺杆
32
和滑块
33
，驱动装置
3
设置在壳体
21
内，驱动装置
3
通过固定架与壳体
21
连接。电机
31
为步进电机，螺杆
32
与电机
31
的输出轴连接，滑块
33
具有螺纹孔和通孔，滑块
33
通过螺纹孔可轴向移动地连接在螺杆
32
上，滑块
33
与可调光纤组件
13
连接。电机
31
的正反转用于驱动滑块
33
轴向的前移或后退，使得驱动装置
3
能够驱动可调光纤组件
13
轴向的精确移动。
在其他实施例中，驱动装置
3
包括直线电机，直线电机的输出端直接与可调光纤组件
13
连接，同样能够实现可调光纤组件
13
的轴向精确调节。
在其他实施例中，驱动装置
3
位于壳体
21
内，驱动装置
3
连接在镜筒
1
上，镜筒
1
对驱动装置
3
起到支撑和固定的作用。
本实施例中，电机
31
与芯片组件
22
电连接，芯片组件
22
用于控制电机
31
的转动圈数及转动方向。
手轮
4
为操作件，手轮
4
为调焦手轮，手轮
4
根据用户的操作而旋转，以间接调节光学模组
1
的成像焦距。
请参考图
3
和图
4
，手轮
4
可转动地套装在镜筒
11
上，手轮
4
能够相对镜筒
11
任意
360
°的正反转动。手轮
4
为一个环形结构，手轮
4
的轴向后侧面设有环形凹槽
41
，具体的手轮
4
具有一个台阶槽，手轮
4
的台阶槽与镜筒
11
围合成一个环形凹槽
41
。环形凹槽
41
也可设置在手轮
4
的中部，环形凹槽
41
用于容纳检测装置
5
。检测装置
5
用于检测手轮
4
的操作量，即用于检测手轮
4
的转动角度和转动方向。
手轮
4
的环形凹槽
41
的后端开口处安装有密封件
42
，密封件
42
将检测装置
5
密封在环形凹槽
41
内，以实现检测装置
5
的保护，也能够避免外界光对检测装置
5
的光检测。
检测装置
5
包括多种形式，检测装置
5
包括接触式检测装置和非接触式检测装置。
触式检测装置包括导电盘和探针，导电盘设置在手轮
4
上，导电盘上设有交替的导电区和非导电区，或者交替的高电阻区和低电阻区。导电盘随手轮
4
转动的过程中，导电针将与交替的导电区和非导电区接触，形成脉冲信号，通过脉冲信号能够计算出手轮
4
的操作量，根据该操作量调节芯片模组
2
的对焦参数。
非接触式检测装置包括光电检测装置和磁感应检测装置，光电检测装置通过检测光进行检测，磁感应检测装置通过磁性变化进行检测。
光电检测包括触发件和检测件，触发件设置在手轮
4
上，触发件上具有交替的反光区和吸光区，或者具有交替的透光区和遮光区。检测件能够发射光和接收光，检测件通过发射光到触发件上，触发件随手轮
4
转动的过程中，检测件将发射光到反光区和吸光区，或发射光到透光区和遮光区上，检测件接收到脉冲式反射光或透射光，形成脉冲信号，通过脉冲信号能够计算出手轮
4
的操作量。
磁感应检测装置包括触发件和检测件，触发件设置在手轮
4
上，触发件为环形磁铁，触发件上具有交替的
N
极区和
S
极区，检测件被配置为检测磁场，触发件随手轮
4
转动的过程中，检测件将感应到不同的磁场变化，形成脉冲信号，通过脉冲信号能够计算出手轮
4
的操作量。
本实施例中的检测装置
5
采用非接触式光电检测装置，非接触检测装置相比接触式检测装置具有检测精度更高、使用寿命更长等优点，接触式检测装置的使用寿命较低，也容易出现误触现象。光电检测装置相比磁感应检测装置具有干扰低，检测精度高等优点，磁感应检测装置容易受环境磁场的影响，尤其是高龄密度检测运用中，较小的环境磁场都能够造成较大的检测误差。
请参考图
5
和图
6
，本实施例中的检测装置
5
为光电编码检测装置，检测装置
5
包括触发件
51
和检测件
52
，触发件
51
为一个环形结构的光栅码盘，触发件
51
通过粘接等方式固定在手轮
4
的环形凹槽
41
内。触发件
51
相对粘接面的另一面设有交替的触发区和非触发区，触发区为反光区
511
，非触发区为吸光区
512
，反光区
511
和吸光区
512
具有跨度相同的圆心角，即光栅孔的扇形面积与光栅孔之间的区域面积的形状和大小相等。
其中，手轮
4
为橡胶材质，光栅码盘为金属材质，光栅码盘的光栅孔为吸光区
512
，光栅码盘的光栅孔之间的金属区为反光区
511
。手轮
4
连接光栅码盘的面上贴有吸光层，光栅码盘相对连接手轮
4
的另一面贴有带孔的反光层，同样能够实现反光区
511
和吸光区
512
的设置，手轮
4
和光栅码盘的材质可以任意选择。
在其他实施例中，光栅码盘为指环状环形结构，光栅分布在环形结构的环形面上，检测件
52
设置在环形结构的外侧或内侧，检测件
52
的接收端的接收面积相对设置大一些，也能够接收到位于曲面上反光区
511
反射的检测光。
本实施例中，检测件
52
包括光电编码芯片，光电编码芯片包括一个发光
LED
光源和一个光信号检测电路，发光
LED
为光电编码芯片的发射端，光信号检测电路上设有光敏接收管，光敏接收管为接收端。发光
LED
通过透镜形成两路发射光，进而发光
LED
包括第一发射端和第二发射端，第一发射端用于发射第一检测光，第二发射端用于发射第二检测光。光信号检测电路上设有两个光敏接收管，两个光敏接收管分别为第一接收端和第二接收端。第一接收端用于接收光栅码盘的反光区
511
反射的第一检测光，光电编码芯片根据发射和接收的第一检测光生成第一脉冲信号；第二接收端用于接收光栅码盘的反光区
511
反射的第二检测光，光电编码芯片根据发射和接收的第二检测光生成第二脉冲信号。
其中，发射第一检测光的作为第一检测信号，接收的第一检测光为第二检测信号，根据第二检测信号能够生成第一脉冲信号，进而确定用于对手轮
4
的操作量。同样的，通过第二检测光也能够确定用于对手轮
4
的操作量。
光电编码芯片的第一发射端和第二发射端沿径向并排间隔设置，光电编码芯片的第一接收端和第二接收端同样沿径向并排间隔设置，使得光电编码芯片同时发射的第一检测光和第二检测光分别照射在光栅码盘的不同圆周位置上，使得光电编码芯片的第一接收端和第二接收端分别接收的第一检测光和第二检测光的脉冲之间具有相位差。
请参考图
7
，本实施例中，光栅码盘的刻录具有一定要求，其规定每毫米可以刻录
N
（约等于
11.7
）条光栅线（吸光区
512
），光栅线为扇形区域，扇形区域的圆心角为
0.21739
°，光栅线之间的扇形区域的圆心角也为
0.21739
°，即吸光区和反光区所围合的扇形区的圆心角为
0.43478
°。半径为
R
的光栅码盘，总共可以刻录光栅线数
CPR=2*3.148*R*N
，即光栅码盘每旋转一周，第一脉冲信号和第二脉冲信号能够分别输出
CPR
个脉冲，每个脉冲的角度分辨率
r=360/CPR
。因此，可以根据输出的脉冲个数（第一脉冲信号和第二脉冲信号任意一均可）进行换算得到光栅码盘的转动角度，即能够计算出手轮
4
的转动角度。假设输出脉冲个数为
n
，代表光栅码盘和手轮
4
的转动角度为
w=n*r=n*360/
（
2*3.148*R*N
）。
本实施例中，光电编码芯片的第一发射端和第二发射之间具有预设的径向间距，使得生成的第一脉冲信号和第二脉冲信号之间相位相差
90
°。第一脉冲信号和第二脉冲信号之间相位相差也可为
60
°等其他相差度数。
请参考图
8
，当光栅码盘随手轮
4
逆时针旋转时，第一脉冲信号相位超前第二脉冲信号相位
90
°；当光栅码盘随手轮
4
顺时针旋转时，第二脉冲信号相位超前第一脉冲信号相位
90
°，图
2
中的
A
代表第一脉冲信号，
B
代表第二脉冲信号。芯片组件
22
根据第一脉冲信号和第二脉冲信号之间的相位差关系，即可判断手轮
4
的转动方向。
在其他实施中，光电编码芯片具有处理模块，光电编码芯片通过检测的第一脉冲信号和第二脉冲信号计算出手轮
4
的转动角度和转动方向。
在其他实施中，光电编码芯片还具有控制模块，光电编码芯片直接与驱动装置
3
连接，光电编码芯片根据计算出的手轮
4
的转动角度和转动方向，控制驱动装置
3
驱动光学模组
1
变焦或对焦成像。
请参考图
4
和图
6
，本实施例中，镜筒
11
的外侧通过螺钉安装有安装座
53
，检测件
52
安装在安装座
53
上。安装座
53
为
L
型结构，安装座
53
具有径向的安装面，光电编码芯片位于安装座
53
的安装面上，使得光电编码芯片与光栅码盘轴向对齐。
镜筒
11
上还设有穿线孔
111
，光电编码芯片与芯片组件
22
通过连接线
54
连接，连接线
54
的一端与光电编码芯片连接，连接线
54
的另一端穿过穿线孔
111
延伸至壳体
21
内与芯片组件
22
连接。
本实施例中，在穿线孔
111
内还设有遮光件
112
，遮光件
112
为橡胶弹性塞或盖帽等结构，遮光件
112
堵住穿线孔
111
，避免光进入到镜筒
11
内。遮光件
112
将光学模组
1
内的光路环境与检测装置
5
的光路环境相互隔开，避免检测装置
5
的检测光对光学模组
1
内传输的成像光造成影响。
在其他实施例中，镜筒
11
上不设置穿线孔
111
，在壳体
21
上设置穿线孔，连接线
54
从壳体
21
上的穿线孔延伸到壳体
21
与芯片组件
22
连接，同样能够实现光电编码芯片与芯片组件
22
的连接，也能够将光学模组
1
内的光路环境与检测装置
5
的光路环境相互隔开。
本实施例中，由于设置有检测装置
5
，检测装置
5
用于检测手轮
4
的转动方向和转动角度，再通过驱动装置
3
驱动光学模组
1
进行变焦或对焦调节，手轮
4
为非直接驱动件，解除了手轮
4
的转动限制，使得手轮
4
能够在
360
°内任意转动间接驱动变焦或对焦调节，极大地提高了使用手感，及增加了变焦或对焦调节的范围。
一种实施例中，两个光电编码芯片为分体式结构，上述实施例中的一个光电编码芯片包括两个发射端和两个接收端，其为集合式结构。
本实施例中的检测件
52
包括两个光电编码芯片，两个光电编码芯片上分别具有一个发射端和一个接受端，两个光电编码芯片分别设置在不同周向位置上，使得两个光电编码芯片输出两个具有相位差的脉冲信号，同样能够计算出手轮
4
的转动角度和转动方向。
具体的，检测件
52
包括第一光电编码芯片和第二光电编码芯片，第一光电编码芯片和第二光电编码芯片相对光栅码盘并排间隔设置。
第一光电编码芯片包括第一发射端和第一接光端，第一光电编码芯片的第一发射端和第一接收端位于光栅码盘的同一侧，第一光电编码芯片的第一发射端用于发射第一检测光，第一光电编码芯片的第一接光端用于接收反光区
511
反射的第一检测光，第一光电编码芯片用于根据发射和接收的第一检测光生成第一脉冲信号；第二光电编码芯片包括第二发射端和第二接光端，第二光电编码芯片的第二发射端和第二接收端位于光栅码盘的同一侧，第二光电编码芯片的第二发射端用于发射第二检测光，第二光电编码芯片的第二接光端用于接收反光区
511
反射的第二检测光，第二光电编码芯片用于根据发射和接收的第二检测光生成第二脉冲信号。
一种实施例中，检测件
52
包括一个光电编码芯片，光电编码芯片包括一个发射端和一个接收端，光电编码芯片产生一路脉冲信号，该脉冲信号用于计算手轮
4
的转动角度。手轮
4
的转动方向通过其他装置进行检测，如通过光电开关或接触式的检测装置实现。
一种实施例中，检测装置
5
采用两个光电开关进行检测，两个光电开关分别生成具有相位差的第一脉冲信号和第二脉冲信号，同样能够计算出手轮
4
的转动角度和转动方向。
请参考图
9
和图
10
，本实施例中，检测装置
5
包括环形盘
55
、第一光电开关
56
和第二光电开关
57
，环形盘
55
为触发件，第一光电开关
56
和第二光电开关
57
为检测件。
环形盘
55
上设有均匀分布在一个圆周上的若干个凸条
551
，凸条
551
位于一个平面内，凸条
551
为触发区，凸条
551
之间的间隙区域为非触发区。
在其他实施例中，凸条
551
也可设置在一个环形面内。
本实施例中，第一光电开关
56
和第二光电开关
57
沿着周向并排设置。第一光电开关
56
和第二光电开关
57
分别具有发射端和接收端，发射端和接收端与本体形成
U
型结构，环形盘
55
的凸条
551
穿设在第一光电开关
56
和第二光电开关
57
的
U
型槽内，环形盘
55
的凸条
551
相当于用于切割第一光电开关
56
和第二光电开关
57
的
U
型槽内光信号，使得第一光电开关
56
和第二光电开关
57
分别形成开
-
断
-
开
-
断交替状态，进而形成脉冲信号。
第一光电开关
56
包括第一发射端和第一接收端，第一光电开关
56
的第一发射端和第一接收端分别位于凸条
551
的两侧，第一光电开关
56
的第一发射端用于发射第一检测光，第一光电开关
56
的第一接收端用于接收非触发区透射的第一检测光，第一光电开关根据发射和接收的第一检测光生成第一脉冲信号。
第二光电开关
57
包括第二发射端和第二接收端，第二光电开关
57
的第二发射端和第二接收端分别位于凸条
551
的两侧，第二光电开关
57
的第二发射端用于发射第二检测光，第二光电开关
57
的第二接收端用于接收非触发区透射的第二检测光，第二光电开关根据发射和接收的第二检测光生成第二脉冲信号。
本实施例中，采用两个光电开关代替上述实施中的光电编码芯片，通过光电开关的开断状态的切换，同样能够计算出手轮
4
的转动角度；两个光电开关的设置，也能够根据相差计算出手轮
4
的转动方向，进而实现光学模组
1
的变焦或对焦成像。
一种实施例中，环形盘
55
类似光栅码盘的结构，环形盘
55
上设有均匀分布在一个圆周上的若干个条形槽，条形槽为非触发区，条形槽之间的区域为触发区。
本实施例中，第一光电开关
56
的第一发射端和第一接收端，及第二光电开关
57
的第二发射端和第二接收端均分别设置在条形槽的两侧。同样能够分别生成具有相差的第一脉冲信号和第二脉冲信号。
一种实施例中，检测装置
5
包括一个环形盘和一个光电开关，光电开关包括发射端和接收端，光电开关通过检测生成一路脉冲信号，该脉冲信号用于计算手轮
4
的转动角度。手轮
4
的转动方向通过其他装置进行检测，如通过光电开关或接触式的检测装置实现。
如图
11
所示，一种实施例中提供了一种内窥镜摄像系统
1000
，内窥镜摄像系统
1000
包括光源
10
、导光束
20
、硬管内窥镜
30
、光学卡口
40
、内窥镜摄像头
50
、通信线缆
81
、摄像主机
60
、显示器
70
和视频连接线
82
。其中，内窥镜摄像头
50
为上述实施例中的内窥镜摄像头。
摄像主机
60
通过通信线缆
81
与内窥镜摄像头
50
连接，内窥镜摄像头
50
获得的图像信号通过通信线缆
81
传输到摄像主机
60
进行处理。在某些实施例中，通信线缆
81
可以为光通信线缆，例如光纤；内窥镜摄像头
50
将图像信号（电信号）转成光信号，由通信线缆
81
传输到摄像主机
60
，摄像主机
60
再将光信号转成电信号。摄像主机
60
通过视频连接线
82
与显示器
70
连接，用于将视频信号发送到显示器
70
进行显示。本领技术人员应当理解的是，图
11
仅是内窥镜摄像系统
1000
的示例，并不构成对内窥镜摄像系统
1000
的限定，内窥镜摄像系统
1000
可以包括比图
11
所示更多或更少的部件，或者组合某些部件，或者不同的部件，例如内窥镜摄像系统
1000
还可以包括扩张器、烟雾控制装置、输入输出设备、网络接入设备等。
光源
10
用于向待观察部位
100
提供照明光源。所述照明光源包括可见光照明光源和对应于荧光试剂的激光照明光源（例如近红外光）。光源
10
包括，但不局限于激光光源、
LED
光源或激光二极管。
在本实施例中，光源
10
包括可见光光源和对应于荧光试剂的激光光源。可见光光源为
LED
光源。在一实施例中，可见光光源可分别提供不同波长范围的多个单色光，例如蓝光、绿光、红光等。在其他实施例中，可见光光源还可以提供所述多个单色光的组合光，或者是宽光谱的白光光源。所述单色光的波长范围大致为
400nm
至
700nm
。激光光源用于产生激光。所述激光例如是近红外光（
Near Infrared
；
NIR
）。所述激光的峰值波长取
780nm
或
808nm
范围内至少任意
1
个值。
由于光源
10
可向待观察部位同时提供连续的可见光和对应于荧光试剂的激光，从而提高了摄像头
50
对经待观察部位
100
反射的可见光图像信号和荧光图像信号的采集效率。
其中，采用内窥镜摄像系统
1000
进行成像之前，在待观察部位
100
中通过静脉或皮下注射方式引入造影剂，例如吲哚菁绿（
Indocyanine Green
；
ICG
），以便对用标准可见光成像技术不容易看到的组织结构和功能（例如脉管中的血液
/
淋巴液
/
胆汁）成像。待观察部位
100
包括，但不局限于血液循环系统、淋巴系统和肿瘤组织。
ICG
俗称靛氰绿、诊断用绿针、吲哚花青绿，其是目前在心血管系统疾病临床诊断中常用的一种造影剂，广泛应用于脉络膜和视网膜血管成像。当待观察部位
100
中的造影剂吸收所述激光光源产生的对应于荧光试剂的激光后可产生荧光。
本实施例的内窥镜摄像系统
1000
，由于在内窥镜摄像头
50
内增加了驱动装置
3
和检测装置
5
，能够通过检测装置
5
检测手轮
4
的操作量，并根据检测的操作量通过驱动装置
3
驱动光学模组
1
进行变焦或对焦调节，手轮
4
为非直接驱动件，解除了手轮
4
的转动限制，使得手轮
4
能够任意转动间接驱动变焦或对焦调节，极大地提高了使用手感，及增加了变焦或对焦调节的范围。
以上应用了具体个例对本发明进行阐述，只是用于帮助理解本发明，并不用以限制本发明。对于本发明所属技术领域的技术人员，依据本发明的思想，还可以做出若干简单推演、变形或替换。
Claims (26)
- 一种内窥镜摄像头, 其特征在于，包括：光学模组，包括镜筒、固定光学组件和可调光学组件，所述固定光学组件固定设置在所述镜筒内，所述可调光学组件可轴向移动地设置在所述镜筒内；芯片模组，包括壳体和芯片组件，所述壳体与所述镜筒连接，所述芯片组件设置在所述壳体内；驱动装置，具有输出端和电连接端，所述输出端与所述可调光学组件连接，所述电连接端与所述芯片组件电连接；手轮，可转动地设置在所述镜筒上；以及检测装置，包括触发件和检测件，所述触发件设置在所述手轮上，所述检测件与所述芯片组件电连接，所述检测件具有检测端，所述检测端朝向所述触发件设置；所述检测件用于检测随所述手轮一同转动的所述触发件并生成相应的检测信号，所述芯片模组根据所述检测信号计算出所述手轮的转动方向和/或转动角度，所述芯片模组根据计算结果控制所述驱动装置驱动所述可调光学组件移动，以实现变焦或对焦调节。
- 如权利要求1所述的内窥镜摄像头，其特征在于，所述触发件上设有触发区和非触发区，若干个所述触发区和非触发区交替设置在一个圆周上，所述触发区和非触发区用于触发所述检测件形成脉冲信号。
- 如权利要求2所述的内窥镜摄像头，其特征在于，所述触发区和所述非触发区跨度相同的圆心角。
- 如权利要求2所述的内窥镜摄像头，其特征在于，所述脉冲信号包括具有相位差的第一脉冲信号和第二脉冲信号，所述芯片模组根据所述第一脉冲信号和所述第二脉冲信号计算所述手轮的转动方向与转动角度。
- 如权利要求4所述的内窥镜摄像头，其特征在于，所述第一脉冲信号和所述第二脉冲信号之间的相位差为90°。
- 如权利要求1所述的内窥镜摄像头，其特征在于，所述检测件用于发射和接收检测光，所述触发件用于反射或透射检测光，以触发所述检测件生成脉冲信号。
- 如权利要求6所述的内窥镜摄像头，其特征在于，所述检测件包括发射端和接收端，所述检测件的发射端用于发射检测光，所述检测件的接收端用于接收检测光，所述检测件根据发射和接收的所述检测光生成所述脉冲信号。
- 如权利要求2所述的内窥镜摄像头，其特征在于，所述触发件为光栅码盘，所述光栅码盘上具有交替的反光区和吸光区，所述反光区为所述触发区，所述吸光区为所述非触发区。
- 如权利要求8所述的内窥镜摄像头，其特征在于，所述检测件包括光电编码芯片，所述光电编码芯片包括发射端和接收端，所述光电编码芯片的发射端和接收端位于所述光栅码盘的同一侧，所述光电编码芯片的发射端用于发射检测光，所述光电编码芯片的接收端用于接收所述反光区反射的所述检测光，所述光电编码芯片的根据发射和接收的检测光生成所述脉冲信号。
- 如权利要求8所述的内窥镜摄像头，其特征在于，所述检测件包括光电编码芯片，所述光电编码芯片包括第一发射端、第一接收端、第二发射端和第二接收端；所述光电编码芯片的第一发射端和第一接收端位于所述光栅码盘的同一侧，所述光电编码芯片的第一发射端用于发射第一检测光，所述光电编码芯片的第一接收端用于接收所述反光区反射的第一检测光，所述光电编码芯片根据发射和接收的第一检测光生成第一脉冲信号；所述光电编码芯片的第二发射端和第二接收端位于所述光栅码盘的同一侧，所述光电编码芯片的第二发射端用于发射第二检测光，所述光电编码芯片的第二接收端用于接收所述反光区反射的第二检测光，所述光电编码芯片根据发射和接收的第二检测光生成第二脉冲信号。
- 如权利要求8所述的内窥镜摄像头，其特征在于，所述检测件包括第一光电编码芯片和第二光电编码芯片，所述第一光电编码芯片包括第一发射端和第一接光端，所述第一光电编码芯片的第一发射端和第一接收端位于所述光栅码盘的同一侧，所述第一光电编码芯片的第一发射端用于发射第一检测光，所述第一光电编码芯片的第一接光端用于接收所述反光区反射的第一检测光，所述第一光电编码芯片用于根据发射和接收的第一检测光生成第一脉冲信号；所述第二光电编码芯片包括第二发射端和第二接光端，所述第二光电编码芯片的第二发射端和第二接收端位于所述光栅码盘的同一侧，所述第二光电编码芯片的第二发射端用于发射第二检测光，所述第二光电编码芯片的第二接光端用于接收所述反光区反射的第二检测光，所述第二光电编码芯片用于根据发射和接收的所述第二检测光生成第二脉冲信号。
- 如权利要求8所述的内窥镜摄像头，其特征在于，所述光栅码盘为环形平板结构，所述反光区和吸光区位于一个环形平面内。
- 如权利要求2所述的内窥镜摄像头，其特征在于，所述触发件为环形盘，所述环形盘上设有均匀分布在一个圆周上的若干个凸条，所述凸条为所述触发区，所述凸条之间的间隙区域为所述非触发区。
- 如权利要求2所述的内窥镜摄像头，其特征在于，所述触发件为环形盘，所述环形盘上设有均匀分布一个圆周上的若干个条形孔，所述条形孔为所述非触发区，所述条形孔之间区域为所述触发区。
- 如权利要求13或14所述的内窥镜摄像头，其特征在于，所述检测件包括光电开关，所述光电开关包括发射端和接收端，所述光电开关的发射端和接收端位于所述触发区的两侧，所述光电开关的发射端用于发射检测光，所述光电开关的接收端用于接收所述触发区反射的所述检测光，所述光电开关根据发射和接收的检测光生成所述脉冲信号。
- 如权利要求13或14所述的内窥镜摄像头，其特征在于，所述检测件包括第一光电开关和第二光电开关，所述第一光电开关包括第一发射端和第一接收端，所述第一光电开关的第一发射端和第一接收端分别位于所述触发区的两侧，所述第一光电开关的第一发射端用于发射第一检测光，所述第一光电开关的第一接收端用于接收所述非触发区透射的第一检测光，所述第一光电开关根据发射和接收的第一检测光生成第一脉冲信号；所述第二光电开关包括第二发射端和第二接收端，所述第二光电开关的第二发射端和第二接收端分别位于所述触发区的两侧，所述第二光电开关的第二发射端用于发射第二检测光，所述第二光电开关的第二接收端用于接收所述非触发区透射的第二检测光，所述第二光电开关根据发射和接收的第二检测光生成第二脉冲信号。
- 如权利要求1所述的内窥镜摄像头，其特征在于，所述镜筒上设有安装座，所述检测件安装在所述安装座上，所述镜筒上还设有穿线孔，所述穿线孔用于穿设所述检测件与所述芯片模组之间的连接线。
- 如权利要求6所述的内窥镜摄像头，其特征在于，所述光学模组的光路环境与所述检测装置的光路环境相互隔开。
- 如权利要求18所述的内窥镜摄像头，其特征在于，所述光学模组和所述检测装置之间设有遮光件。
- 如权利要求1所述的内窥镜摄像头，其特征在于，所述手轮具有轴向的环形凹槽，所述检测装置位于在所述手轮的环形凹槽内。
- 如权利要求20所述的内窥镜摄像头，其特征在于，所述环形凹槽的开口处于设有密封件，所述密封件用于将所述检测装置密封在所述环形凹槽内。
- 一种内窥镜摄像头, 其特征在于，包括：光学模组，所述光学模组用于获取目标部位的光学图像信息，并为所述光学图像信息提供传输光路；芯片模组，所述芯片模组与所述光学模组连接，用于接收所述光学模组传输的光学图像信息，并将所述光学图像信息转换成电信号；操作件，所述操作件与所述光学模组连接，用于根据用户的操作调节所述光学模组的参数；检测装置，所述检测装置包括触发件和检测件，所述触发件设置在所述操作件上，并与所述操作件一起根据所述用户的操作而活动；所述检测件用于发射第一检测信号，并获取通过所述触发件对所述第一检测信号反射或透射形成的第二检测信号，基于所述第二检测信号确定所述用户对所述操作件的操作量。
- 如权利要求22所述的内窥镜摄像头, 其特征在于，所述第一检测信号和第二检测信号为光信号。
- 如权利要求22所述的内窥镜摄像头, 其特征在于，所述检测装置包括光电编码器，所述触发件包括所述光电编码器的光栅码盘，所述检测件包括所述光电编码器的光电编码芯片，所述光电编码芯片用于发射所述第一检测信号和接收所述第二检测信号，并基于所述第二检测信号确定所述用户对所述操作件的操作量。
- 如权利要求22所述的内窥镜摄像头, 其特征在于，所述操作件为调焦手轮，用于根据用户的操作而旋转，以调节所述光学模组的成像焦距。
- 一种内窥镜摄像系统，其特征在于，包括光源、导光束、内窥镜、光学卡口、通信线缆、摄像主机、显示器、视频连接线和如权利要求1至25中任一项所述的内窥镜摄像头，所述光源通过所述导光束与所述内窥镜连接，所述内窥镜摄像头的一端通过所述光学卡口与所述内窥镜连接，所述内窥镜摄像头的另一端通过所述通信线缆与所述摄像主机连接，所述摄像主机通过所述视频连接线与所述显示器连接。
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| PCT/CN2022/083135 WO2023178672A1 (zh) | 2022-03-25 | 2022-03-25 | 内窥镜摄像头及内窥镜摄像系统 |
| PCT/CN2022/139782 WO2023179121A1 (zh) | 2022-03-25 | 2022-12-16 | 医疗内窥镜设备及医疗内窥镜摄像系统 |
| CN202280072479.2A CN118139574A (zh) | 2022-03-25 | 2022-12-16 | 医疗内窥镜设备及医疗内窥镜摄像系统 |
| CN202310313318.4A CN116548893A (zh) | 2022-03-25 | 2023-03-24 | 医疗内窥镜设备及医疗内窥镜摄像系统 |
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| JP2011092615A (ja) * | 2009-11-02 | 2011-05-12 | Hoya Corp | 電子内視鏡及び電子内視鏡システム |
| US20180353054A1 (en) * | 2017-06-13 | 2018-12-13 | Sony Olympus Medical Solutions Inc. | Medical imaging apparatus |
| CN112656354A (zh) * | 2019-10-16 | 2021-04-16 | 深圳迈瑞生物医疗电子股份有限公司 | 内窥镜摄像头和内窥镜摄像系统 |
| CN114128253A (zh) * | 2019-06-20 | 2022-03-01 | 西拉格国际有限公司 | 内窥镜超光谱成像、荧光成像和激光标测成像系统中的图像旋转 |
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| JPH06265771A (ja) * | 1993-03-15 | 1994-09-22 | Minolta Camera Co Ltd | 磁気センサを用いたレンズ鏡胴 |
| US10993637B2 (en) * | 2014-03-31 | 2021-05-04 | Sony Olympus Medical Solutions Inc. | Operating apparatus for medical apparatus |
| JP6505854B2 (ja) * | 2015-09-15 | 2019-04-24 | 富士フイルム株式会社 | レンズ鏡筒及び撮影装置 |
| JP2019066749A (ja) * | 2017-10-04 | 2019-04-25 | ソニー株式会社 | 撮像装置、撮像装置制御用ユニット及び撮像方法 |
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| JP2011092615A (ja) * | 2009-11-02 | 2011-05-12 | Hoya Corp | 電子内視鏡及び電子内視鏡システム |
| US20180353054A1 (en) * | 2017-06-13 | 2018-12-13 | Sony Olympus Medical Solutions Inc. | Medical imaging apparatus |
| CN114128253A (zh) * | 2019-06-20 | 2022-03-01 | 西拉格国际有限公司 | 内窥镜超光谱成像、荧光成像和激光标测成像系统中的图像旋转 |
| CN112656354A (zh) * | 2019-10-16 | 2021-04-16 | 深圳迈瑞生物医疗电子股份有限公司 | 内窥镜摄像头和内窥镜摄像系统 |
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