CN107797263B - 3D operation microscope optics main mirror - Google Patents
3D operation microscope optics main mirror Download PDFInfo
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- CN107797263B CN107797263B CN201711224774.2A CN201711224774A CN107797263B CN 107797263 B CN107797263 B CN 107797263B CN 201711224774 A CN201711224774 A CN 201711224774A CN 107797263 B CN107797263 B CN 107797263B
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- imaging objective
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- 238000003384 imaging method Methods 0.000 claims abstract description 143
- 230000003287 optical effect Effects 0.000 claims abstract description 30
- 230000001360 synchronised effect Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000002194 synthesizing effect Effects 0.000 claims description 11
- 210000001747 pupil Anatomy 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 208000002173 dizziness Diseases 0.000 description 3
- 208000003464 asthenopia Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- 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
- G02B21/361—Optical details, e.g. image relay to the camera or image sensor
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/18—Arrangements with more than one light path, e.g. for comparing two specimens
- G02B21/20—Binocular arrangements
- G02B21/22—Stereoscopic arrangements
Abstract
The invention relates to an optical main mirror, and discloses a 3D operation microscope optical main mirror. The auxiliary objective lens group device comprises a turntable, a first objective lens, a second objective lens, a third objective lens and a fourth objective lens, the three-dimensional zoom device comprises a first zoom lens main body, a first zoom lens sleeve, a first zoom lens barrel, a first belt pulley, a second zoom lens main body, a second zoom lens sleeve, a second zoom lens barrel, a second belt pulley and a driving device, and the synchronous diaphragm device comprises a first diaphragm, a first adjusting rod, a second diaphragm, a second adjusting rod, a connecting rod and an imaging objective lens group device. Compared with the prior art, the axial distance of the two light paths is consistent with the pupil distance of human eyes, the vertical calibration error, the aperture error and the focusing matching error in the two light paths can be adjusted, the final imaging is clearer, the user is comfortable, and meanwhile, the structure of the optical main mirror of the 3D operation microscope is simpler.
Description
Technical Field
The invention relates to an optical main mirror, in particular to a 3D operation microscope optical main mirror.
Background
Currently, the 3D image/video of a surgical microscope is obtained by separating left and right optical paths from the optical axis of a stereo microscope by a beam splitter, imaging the optical paths by an imaging device such as a CCD, and combining the imaging of the two optical paths. Since the wheelbase of the two optical axes of the stereo microscope is only 22mm to 25mm, the wheelbase is far smaller than the pupil distance of about 65mm of both eyes of a human eye. The 3D operation microscope needs a beam splitting prism and a corner prism to transfer images to an imaging objective lens with two light paths, the structure is complex, and in the transmission of the two light paths, the two-axis wheelbase difference, the vertical alignment error, the aperture error and the focusing matching error exist, and the image blurring, the dizziness and the visual fatigue phenomenon can be caused due to the errors.
Disclosure of Invention
The invention aims to provide a 3D operation microscope optical main lens, so that the wheelbase of two light paths is consistent with the pupil distance of human eyes, the vertical calibration error, aperture error and focusing matching error in the two light paths can be adjusted, the final imaging is clearer, the user is comfortable, and meanwhile, the structure of the 3D operation microscope optical main lens is simpler.
To solve the above technical problems, embodiments of the present invention provide a 3D surgical microscope optical main mirror, including: an auxiliary objective lens assembly for receiving an image of an operative field, comprising; the optical system comprises a turntable with the diameter of 65mm, a first objective lens arranged on the turntable, a second objective lens which is opposite to the first objective lens and is identical to the first objective lens, a third objective lens arranged on the turntable, and a fourth objective lens which is opposite to the third objective lens and is identical to the third objective lens, wherein the objective lenses are uniformly distributed around the turntable;
a stereoscopic zoom apparatus comprising: the device comprises a first zoom lens body for receiving an image transmitted by the first objective lens or the third objective lens, a first zoom lens sleeve sleeved on the first zoom lens body, a first zoom lens barrel sleeved on the first zoom lens sleeve, a first belt wheel sleeved on the first zoom lens barrel, a second zoom lens body for receiving an image transmitted by the second objective lens or the fourth objective lens, a second zoom lens sleeve sleeved on the second zoom lens body, a second zoom lens barrel sleeved on the second zoom lens sleeve, a second belt wheel sleeved on the second zoom lens barrel, and a driving device connected with the first belt wheel and the second belt wheel, wherein the distance between the central axis of the first zoom lens body and the central axis of the second zoom lens body is 65mm;
the driving device is used for driving the first belt wheel and the second belt wheel to synchronously rotate, the first belt wheel is used for driving the first zoom lens sleeve to linearly move in the first zoom lens barrel along the central axis direction of the first zoom lens main body after rotating, and the second belt wheel is used for driving the second zoom lens sleeve to linearly move in the second zoom lens sleeve along the central axis direction of the second zoom lens main body after rotating;
the optical primary mirror of the 3D operation microscope further comprises a synchronous diaphragm device, which is used for receiving the image transmitted by the stereoscopic zooming device, and comprises: the first diaphragm is used for receiving the image transmitted by the first zoom lens main body, the first adjusting rod is connected with the first diaphragm and used for adjusting the aperture of the first diaphragm, the second diaphragm is used for receiving the image transmitted by the second zoom lens main body, the second adjusting rod is connected with the second diaphragm and used for adjusting the aperture of the second diaphragm, the connecting rod is used for connecting the first adjusting rod and the second adjusting rod, the first diaphragm and the first zoom lens main body are coaxially arranged, the second diaphragm and the second zoom lens main body are coaxially arranged, and the connecting rod is used for driving the first adjusting rod and the second adjusting rod to synchronously rotate so as to adjust the aperture of the first diaphragm and the aperture of the second diaphragm;
the imaging objective lens device is used for receiving the image transmitted by the synchronous diaphragm device and comprises a first imaging objective lens group used for receiving the image transmitted by the first diaphragm, a first imaging objective lens sleeve used for sleeving the first imaging objective lens group, a first adjusting component used for adjusting the position of the first imaging objective lens group in the first imaging objective lens sleeve, a second imaging objective lens group used for receiving the image transmitted by the second diaphragm, a second imaging objective lens sleeve used for sleeving the second imaging objective lens group, a second adjusting component used for adjusting the position of the second imaging objective lens group in the second imaging objective lens sleeve, and a fixing plate used for fixing the first imaging objective lens sleeve and the second imaging objective lens sleeve, wherein the first imaging objective lens group and the first diaphragm are coaxially arranged, and the second imaging objective lens group and the second diaphragm are coaxially arranged;
the 3D surgical microscope optical main mirror further includes: a first CCD camera connected with the first imaging objective sleeve and a second CCD camera connected with the second imaging objective sleeve;
wherein the first CCD camera and the second CCD camera are the same type.
Compared with the prior art, the method has the advantages that the auxiliary objective lens group device, the three-dimensional zooming device, the synchronous diaphragm device, the imaging objective lens group device, the first CCD camera and the second CCD camera are arranged, the image of the operation area is divided into two paths, the two paths are transmitted to the three-dimensional zooming device through the auxiliary objective lens group device, then are transmitted out of the three-dimensional zooming device, enter the synchronous diaphragm device, are imaged through the imaging objective lens group device, and finally enter the first CCD camera, and the other path enters the second CCD camera. The auxiliary objective lens group device comprises a first objective lens, a second objective lens, a third objective lens, a fourth objective lens and a turntable, the diameter of the turntable is 65mm, the objective lenses are all arranged on the turntable, the first objective lens and the second objective lens are identical and oppositely arranged, the distance between the first objective lens and the second objective lens is 65mm, the third objective lens and the fourth objective lens are identical and oppositely arranged, and the distance between the third objective lens and the fourth objective lens is 65mm. The surgical field image may be received through the first objective lens and the second objective lens together, or through the third objective lens and the fourth objective lens together. The stereoscopic zoom device comprises a first zoom lens body, a first zoom lens sleeve, a first zoom lens barrel, a first belt wheel, a second zoom lens body, a second zoom lens sleeve, a second zoom lens barrel, a second belt wheel and a driving device, wherein the distance between the central axis of the first zoom lens body and the central axis of the second zoom lens body is 65mm, the driving device adjusts the first belt wheel and the second belt wheel, the first belt wheel drives the first zoom lens sleeve to conduct linear motion in the first zoom lens barrel along the central axis direction of the first zoom lens body, the second belt wheel drives the second zoom lens sleeve to conduct linear motion in the second zoom lens sleeve along the central axis direction of the second zoom lens body, and therefore focusing of the stereoscopic zoom device is achieved, focusing matching errors are eliminated, and outgoing images are clear and consistent. Meanwhile, the synchronous diaphragm device comprises a first diaphragm, a first adjusting rod, a second diaphragm, a second adjusting rod and a connecting rod, wherein the connecting rod is connected with the first adjusting rod and the second adjusting rod and drives the first adjusting rod and the second adjusting rod to synchronously adjust the first diaphragm and the second diaphragm, so that the brightness and the depth of field of an image are synchronously adjusted, and the consistency of the image and the image is maintained. The imaging objective lens assembly device comprises a first imaging objective lens group, a first imaging objective lens sleeve, a first adjusting component, a second imaging objective lens group, a second imaging objective lens sleeve, a second adjusting component and a fixing plate, wherein the first imaging objective lens group is arranged in the first imaging objective lens sleeve, the second imaging objective lens group is arranged in the second imaging objective lens sleeve, the first imaging objective lens sleeve and the second imaging objective lens sleeve are fixed on the fixing plate, the first adjusting component adjusts the first imaging objective lens group, and the second adjusting component adjusts the second imaging objective lens group, so that the vertical error between the center of the imaging objective lens assembly device and the center of the stereoscopic zooming device is adjusted. And the first diaphragm and the first zoom lens body are coaxially arranged, the first imaging objective lens group and the first diaphragm are coaxially arranged, the second diaphragm and the second zoom lens body are coaxially arranged, and the second imaging objective lens group and the second diaphragm are coaxially arranged, so that the first zoom lens body, the first diaphragm and the first imaging objective lens group are coaxially arranged, the second zoom lens body, the second diaphragm and the second imaging objective lens group are coaxially arranged, the distance between the central axis of the first diaphragm and the central axis of the second diaphragm is 65mm, and the distance between the central axis of the first imaging objective lens group and the central axis of the second imaging objective lens group is 65mm. And then the center wheelbase of two light paths of the optical main lens of the 3D operation microscope is the same as the pupil interpupillary distance of a person, the aperture is the same, the focal length is the same, the brightness, the definition and the size of images entering the first CCD camera and the second CCD camera are consistent, and the double image can not be blurred, so that the use of a user is more comfortable, and the phenomena of dizziness, fatigue and the like can not occur.
In addition, the driving device includes: the driving wheel is meshed with the first belt wheel and the second belt wheel, and the driving motor is connected with the driving wheel and drives the driving wheel.
In addition, a first curved groove which is arranged along the central axis direction of the first zoom lens main body is arranged on the first belt wheel;
the first zoom lens barrel is provided with a first long groove arranged along the central axis direction of the first zoom lens main body;
a first transmission screw is arranged on the first zoom lens sleeve, and passes through the first long groove and the first curved groove;
the first curve groove is used for driving the first transmission screw to linearly move along the first long groove when rotating, and the first transmission screw is used for driving the first zoom lens sleeve to linearly move;
the second belt wheel is provided with a second curve groove arranged along the central axis direction of the second zoom lens main body;
the second zoom lens barrel is provided with a second long groove arranged along the central axis direction of the second zoom lens main body;
a second transmission screw is arranged on the second zoom lens sleeve, and passes through the second long groove and the second curved groove;
the second curve groove is used for driving the second transmission screw to linearly move along the second long groove when rotating, and the second transmission screw is used for driving the second zoom lens sleeve to linearly move.
In addition, the first adjustment assembly includes: the first adjusting screw is used for pushing the first imaging objective lens group, the first adjusting spring is matched with the first adjusting screw and abuts against the first imaging objective lens group, the second adjusting screw is perpendicular to the first adjusting screw and used for pushing the first imaging objective lens group, the second adjusting spring is matched with the second adjusting screw and abuts against the first imaging objective lens group, and the second adjusting spring is perpendicular to the first adjusting spring;
the second adjustment assembly includes: the device comprises a third adjusting screw used for pushing the second imaging objective lens group, a third adjusting spring matched with the third adjusting screw and propped against the second imaging objective lens group, a fourth adjusting screw perpendicular to the third adjusting screw and used for pushing the second imaging objective lens group, and a fourth adjusting spring matched with the fourth adjusting screw and propped against the second imaging objective lens group, wherein the fourth adjusting spring is perpendicular to the third adjusting spring.
In addition, a first slideway for sliding the first adjusting rod is arranged on the first diaphragm, a second slideway for sliding the second adjusting rod is arranged on the second diaphragm, and the radian of the first slideway is the same as that of the second slideway;
the connecting rod is used for driving the first adjusting rod and the second adjusting rod to synchronously slide in the first slideway and the second slideway.
In addition, the first imaging objective and the second imaging objective are both three-piece high resolution imaging objectives.
In addition, the 3D surgical microscope optical main mirror further includes: the device comprises a synthesizing device for synthesizing images shot by the first CCD camera and the second CCD camera, and a 3D display screen which is connected with the synthesizing device and used for displaying the synthesized images.
Drawings
Fig. 1 is a schematic structural view of an optical main mirror of a 3D surgical microscope according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of an auxiliary objective lens assembly according to a first embodiment of the present invention;
fig. 3 is a schematic structural view of a stereoscopic zoom apparatus according to a first embodiment of the present invention;
fig. 4 is a focusing schematic diagram of a first zoom lens body according to a first embodiment of the present invention;
fig. 5 is a focusing schematic diagram of a second zoom lens body in the first embodiment of the present invention;
fig. 6 is a schematic structural view of a synchronous diaphragm device in the first embodiment of the present invention;
fig. 7 is a schematic structural view of an imaging objective lens assembly device according to a first embodiment of the present invention;
fig. 8 is a front sectional view of an imaging objective lens assembly apparatus in a first embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, those of ordinary skill in the art will understand that in various embodiments of the present invention, numerous technical details have been set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be realized without these technical details and various changes and modifications based on the following embodiments.
A first embodiment of the present invention relates to a 3D surgical microscope optical main mirror, as shown in fig. 1, 2, 3, 6 and 7, comprising an auxiliary objective lens assembly 1, a stereoscopic zoom assembly 2, a synchronous stop assembly 3, an imaging objective lens assembly 4, a first CCD camera 5 and a second CCD camera 6. The auxiliary objective lens assembly 1 is used for receiving an image of an operation area, and comprises a turntable 11 with a diameter of 65mm, a first objective lens 12 arranged on the turntable 11, a second objective lens 13 opposite to the first objective lens 12 and identical to the first objective lens 12, a third objective lens 14 arranged on the turntable 11, and a fourth objective lens 15 opposite to the third objective lens 14 and identical to the third objective lens 14, wherein the objective lenses are uniformly distributed around the turntable 11. The stereoscopic zoom apparatus 2 includes a first zoom lens body 21 for receiving an image transmitted from the first objective lens 12 or the third objective lens 14, a first zoom lens barrel 22 fitted over the first zoom lens body 21, a first zoom lens barrel 23 fitted over the first zoom lens barrel 22, a first pulley 24 fitted over the first zoom lens barrel 23, a second zoom lens body 26 for receiving an image transmitted from the second objective lens 13 or the fourth objective lens 15, a second zoom lens barrel 27 fitted over the second zoom lens body 26, a second pulley 28 fitted over the second zoom lens barrel 27, a second pulley 29 fitted over the second zoom lens barrel 28, and a driving device 25 connected to the first pulley 24 and the second pulley 29, and a distance between a center axis of the first zoom lens body 21 and a center axis of the second zoom lens body 26 is 65mm. The driving device 25 is configured to drive the first pulley 24 and the second pulley 29 to rotate synchronously, the first pulley 24 is configured to drive the first zoom lens cover 22 to perform linear motion in the first zoom lens barrel 23 along the central axis direction of the first zoom lens body 21 after rotation, and the second pulley 29 is configured to drive the second zoom lens cover 27 to perform linear motion in the second zoom lens cover 27 along the central axis direction of the second zoom lens body 26 after rotation. The synchronous diaphragm device 3 is used for receiving the image transmitted by the stereoscopic zooming device 2, and comprises: the first diaphragm 31 for receiving the image transmitted from the first zoom lens body 21, the first adjusting lever 32 connected to the first diaphragm 31 for adjusting the aperture of the first diaphragm 31, the second diaphragm 33 for receiving the image transmitted from the second zoom lens body 26, the second adjusting lever 34 connected to the second diaphragm 33 for adjusting the aperture of the second diaphragm 33, the connecting rod 35 for connecting the first adjusting lever 32 and the second adjusting lever 34, and the first diaphragm 31 is coaxially arranged with the first zoom lens body 21, the second diaphragm 33 is coaxially arranged with the second zoom lens body 26, and the connecting rod 35 is used for driving the first adjusting lever 32 and the second adjusting lever 34 to synchronously rotate to adjust the aperture of the first diaphragm 31 and the aperture of the second diaphragm 33. The imaging objective lens device 4 is configured to receive the image transmitted from the synchronous diaphragm device 3, and includes a first imaging objective lens 41 configured to receive the image transmitted from the first diaphragm 31, a first imaging objective lens sleeve 42 configured to sleeve the first imaging objective lens 41, a first adjusting component 43 configured to adjust a position of the first imaging objective lens 41 within the first imaging objective lens sleeve 42, a second imaging objective lens 44 configured to receive the image transmitted from the second diaphragm 33, a second imaging objective lens sleeve 45 configured to sleeve the second imaging objective lens 44, a second adjusting component 46 configured to adjust a position of the second imaging objective lens 44 within the second imaging objective lens sleeve 45, and a fixing plate 47 configured to fix the first imaging objective lens sleeve 42 and the second imaging objective lens sleeve 45, where the first imaging objective lens 41 is disposed coaxially with the first diaphragm 31, and the second imaging objective lens 44 is disposed coaxially with the second diaphragm 33. The first CCD camera 5 is connected with the first imaging objective sleeve 42, the second CCD camera 6 is connected with the second imaging objective sleeve 45, and the models of the first CCD camera 5 and the second CCD camera 6 are the same.
As can be seen from the above, since the auxiliary objective lens assembly device 1, the stereoscopic zoom device 2, the synchronous diaphragm device 3, the imaging objective lens assembly device 4, the first CCD camera 5 and the second CCD camera 6 are provided, the image of the operation area is divided into two paths, which are transmitted to the stereoscopic zoom device 2 through the auxiliary objective lens assembly device 1, then transmitted from the stereoscopic zoom device 2, enter the synchronous diaphragm device 3, are imaged through the imaging objective lens assembly device 4, and finally enter the first CCD camera 5 in one path and enter the second CCD camera 6 in the other path. The auxiliary objective lens group device 1 comprises a first objective lens 12, a second objective lens 13, a third objective lens 14, a fourth objective lens 15 and a turntable 11, the diameter of the turntable 11 is 65mm, the objective lenses are all arranged on the turntable 11, the first objective lens 12 and the second objective lens 13 are identical and oppositely arranged, the distance between the first objective lens 12 and the second objective lens 13 is 65mm, the third objective lens 14 and the fourth objective lens 15 are identical and oppositely arranged, and the distance between the third objective lens 14 and the fourth objective lens 15 is 65mm. The surgical field image may be received through the first objective lens 12 and the second objective lens 13 together, or through the third objective lens 14 and the fourth objective lens 15 together. The stereoscopic zoom device 2 comprises a first zoom lens main body 21, a first zoom lens sleeve 22, a first zoom lens barrel 23, a first belt pulley 24, a second zoom lens main body 26, a second zoom lens sleeve 27, a second zoom lens barrel 28, a second belt pulley 29 and a driving device 25, wherein the distance between the central axis of the first zoom lens main body 21 and the central axis of the second zoom lens main body 26 is 65mm, the driving device 25 adjusts the first belt pulley 24 and the second belt pulley 29, the first belt pulley 24 drives the first zoom lens sleeve 22 to perform linear motion in the first zoom lens barrel 23 along the central axis direction of the first zoom lens main body 21, and the second belt pulley 29 drives the second zoom lens sleeve 27 to perform linear motion in the second zoom lens sleeve 27 along the central axis direction of the second zoom lens main body 26, so that focusing of the stereoscopic zoom device 2 is realized, focusing matching errors are eliminated, and outgoing images are clear and consistent. Meanwhile, the synchronous diaphragm device 3 comprises a first diaphragm 31, a first adjusting rod 32, a second diaphragm 33, a second adjusting rod 34 and a connecting rod 35, wherein the connecting rod 35 is connected with the first adjusting rod 32 and the second adjusting rod 34 to drive the first adjusting rod 32 and the second adjusting rod 34 to synchronously adjust the first diaphragm 31 and the second diaphragm 33, so that the brightness and the depth of field of an image are synchronously adjusted, and the consistency of the image and the image is maintained. The imaging objective apparatus 4 includes a first imaging objective 41, a first imaging objective 42, a first adjusting member 43, a second imaging objective 44, a second imaging objective 45, a second adjusting member 46, and a fixing plate 47, the first imaging objective 41 being disposed within the first imaging objective 42, the second imaging objective 44 being disposed within the second imaging objective 45, the first imaging objective 42 and the second imaging objective 45 being fixed on the fixing plate 47, the first adjusting member 43 adjusting the first imaging objective 41, the second adjusting member 46 adjusting the second imaging objective 44, thereby adjusting a vertical error between a center of the imaging objective apparatus 4 and a center of the stereoscopic zoom apparatus 2. And the first diaphragm 31 is coaxially arranged with the first zoom lens body 21, the first imaging objective lens group 41 is coaxially arranged with the first diaphragm 31, the second diaphragm 33 is coaxially arranged with the second zoom lens body 26, and the second imaging objective lens group 44 is coaxially arranged with the second diaphragm 33, so that the first zoom lens body 21, the first diaphragm 31, and the first imaging objective lens group 41 are coaxially arranged, the second zoom lens body 26, the second diaphragm 33, and the second imaging objective lens group 44 are coaxially arranged, the distance between the central axis of the first diaphragm 31 and the central axis of the second diaphragm 33 is 65mm, and the distance between the central axis of the first imaging objective lens group 41 and the central axis of the second imaging objective lens group 44 is 65mm. And then the center wheelbase of two light paths of the optical main lens of the 3D operation microscope is the same as the pupil interpupillary distance of a person, the aperture is the same, the focal length is the same, the brightness, the definition and the size of images entering the first CCD camera 5 and the second CCD camera 6 are consistent, and the double image can not be blurred, so that the use of a user is more comfortable, and the phenomena of dizziness, fatigue and the like can not occur.
Further, as shown in fig. 3, the driving device 25 includes a driving pulley 251 engaged with the first pulley 24 and the second pulley 29, and a driving motor 252 connected to the driving pulley 251 and driving the driving pulley.
As shown in fig. 3, 4, and 5, the first pulley 24 is provided with a first curved groove 241 provided along the central axis direction of the first zoom lens body 21, the first zoom lens barrel 23 is provided with a first long groove 231 provided along the central axis direction of the first zoom lens body 21, the first zoom lens cover 22 is provided with a first transmission screw 221, and the first transmission screw 221 passes through the first long groove 231 and the first curved groove 241. The first curved slot 241 is configured to drive the first driving screw 221 to move linearly along the first elongated slot 231 when rotating, and the first driving screw 221 is configured to drive the first zoom lens cover 22 to move linearly. The second pulley 29 is provided with a second curved groove 291 provided along the central axis direction of the second zoom lens body 26, the second zoom lens barrel 28 is provided with a second long groove 281 provided along the central axis direction of the second zoom lens body 26, the second zoom lens cover 27 is provided with a second driving screw 271, and the second driving screw 271 passes through the second long groove 281 and the second curved groove 291. The second curved groove 291 is configured to drive the second driving screw 271 to linearly move along the second long groove 281 when rotated, and the second driving screw 271 is configured to drive the second zoom lens cover 27 to linearly move.
Specifically, as shown in fig. 3, 4 and 5, when the driving motor 252 is turned on, the driving wheel 251 is driven to rotate, the driving wheel 251 drives the first pulley 24 and the second pulley 29 to rotate together, the first pulley 24 drives the first driving screw 221 to slide in the first long groove 231 of the first zoom lens body 21, the first zoom lens sleeve 22 and the driving screw move linearly together, and the second pulley 29 drives the driving screw to slide in the second long groove 281 of the second zoom lens body 26, and the second zoom lens sleeve 27 and the second driving screw 271 move linearly together, so as to adjust the focal length.
In addition, as shown in fig. 7 and 8, the first adjusting assembly 43 includes a first adjusting screw 431 for pushing the first imaging objective 41, a first adjusting spring 432 engaged with the first adjusting screw 431 and abutting against the first imaging objective 41, a second adjusting screw 433 perpendicular to the first adjusting screw 431 and for pushing the first imaging objective 41, a second adjusting spring 434 engaged with the second adjusting screw 433 and abutting against the first imaging objective 41, and the second adjusting spring 434 is perpendicular to the first adjusting spring 432. The second adjusting assembly 46 includes a third adjusting screw 461 for pushing the second imaging objective 44, a third adjusting spring 462 fitted with the third adjusting screw 461 and abutted against the second imaging objective 44, a fourth adjusting screw 463 perpendicular to the third adjusting screw 461 and for pushing the second imaging objective 44, a fourth adjusting spring 464 fitted with the fourth adjusting screw 463 and abutted against the second imaging objective 44, and the fourth adjusting spring 464 is perpendicular to the third adjusting spring 462. The first and second adjusting screws 431 and 433 push the first imaging objective 41 against the first and second adjusting springs 432 and 434, and the third and fourth adjusting screws 461 and 463 push the second imaging objective 44 against the third and fourth adjusting springs 462 and 464.
Further, as shown in fig. 6, a first slideway 311 for sliding the first adjusting rod 32 is provided on the first diaphragm 31, a second slideway 331 for sliding the second adjusting rod 34 is provided on the second diaphragm 33, and the radian of the first slideway 311 is the same as that of the second slideway 331. The connecting rod 35 is used for driving the first adjusting rod 32 and the second adjusting rod 34 to synchronously slide in the first slide way 311 and the second slide way 331.
In addition, as shown in fig. 1, the optical main mirror of the 3D surgical microscope further includes a synthesizing device 7 for synthesizing images photographed by the first CCD camera 5 and the second CCD camera 6, and a 3D display screen 8 connected to the synthesizing device 7 for displaying the synthesized images, and the synthesizing device 7 may be synthesizing software.
Specifically, in order to meet various situations in actual use, the first objective lens 12 and the second objective lens 13 may be of the model F200, and used together; the third objective lens 14 and the fourth objective lens 15 are of the type F300 and are used together. When the device is used, the objective lens with the model is required to be aligned with the operation area, so that the images transmitted by the two light paths are kept consistent, and different objective lenses can be used under different conditions. Meanwhile, the imaging objective lens device can also be replaced with a required model according to the sizes of the target surfaces of the two CCD cameras. For example, the target surface of the CCD camera is 1/3, two imaging objective lens devices with the model number f50 are used, the target surface of the CCD camera is 1/2, and two imaging objective lens devices with the model number f65 are used. In actual use, the first imaging objective 41 and the second imaging objective 44 are both three-piece high resolution imaging objective.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of carrying out the invention and that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (5)
1. A3D operation microscope optical main mirror is characterized by comprising,
an auxiliary objective lens assembly for receiving an image of an operative field, comprising; the optical system comprises a turntable with the diameter of 65mm, a first objective lens arranged on the turntable, a second objective lens which is opposite to the first objective lens and is identical to the first objective lens, a third objective lens arranged on the turntable, and a fourth objective lens which is opposite to the third objective lens and is identical to the third objective lens, wherein the objective lenses are uniformly distributed around the turntable;
a stereoscopic zoom apparatus comprising: the device comprises a first zoom lens body for receiving an image transmitted by the first objective lens or the third objective lens, a first zoom lens sleeve sleeved on the first zoom lens body, a first zoom lens barrel sleeved on the first zoom lens sleeve, a first belt wheel sleeved on the first zoom lens barrel, a second zoom lens body for receiving an image transmitted by the second objective lens or the fourth objective lens, a second zoom lens sleeve sleeved on the second zoom lens body, a second zoom lens barrel sleeved on the second zoom lens sleeve, a second belt wheel sleeved on the second zoom lens barrel, and a driving device connected with the first belt wheel and the second belt wheel, wherein the distance between the central axis of the first zoom lens body and the central axis of the second zoom lens body is 65mm;
the driving device is used for driving the first belt pulley and the second belt pulley to synchronously rotate, the first belt pulley is used for driving the first zoom lens sleeve to linearly move in the first zoom lens barrel along the central axis direction of the first zoom lens main body after rotating, and the second belt pulley is used for driving the second zoom lens sleeve to linearly move in the second zoom lens barrel along the central axis direction of the second zoom lens main body after rotating;
the 3D operation microscope optical main mirror further comprises,
the synchronous diaphragm device is used for receiving the image transmitted by the stereoscopic zooming device and comprises: the first diaphragm is used for receiving the image transmitted by the first zoom lens main body, the first adjusting rod is connected with the first diaphragm and used for adjusting the aperture of the first diaphragm, the second diaphragm is used for receiving the image transmitted by the second zoom lens main body, the second adjusting rod is connected with the second diaphragm and used for adjusting the aperture of the second diaphragm, the connecting rod is used for connecting the first adjusting rod and the second adjusting rod, the first diaphragm and the first zoom lens main body are coaxially arranged, the second diaphragm and the second zoom lens main body are coaxially arranged, and the connecting rod is used for driving the first adjusting rod and the second adjusting rod to synchronously rotate so as to adjust the aperture of the first diaphragm and the aperture of the second diaphragm;
the imaging objective lens device is used for receiving the image transmitted by the synchronous diaphragm device and comprises a first imaging objective lens group used for receiving the image transmitted by the first diaphragm, a first imaging objective lens sleeve used for sleeving the first imaging objective lens group, a first adjusting component used for adjusting the position of the first imaging objective lens group in the first imaging objective lens sleeve, a second imaging objective lens group used for receiving the image transmitted by the second diaphragm, a second imaging objective lens sleeve used for sleeving the second imaging objective lens group, a second adjusting component used for adjusting the position of the second imaging objective lens group in the second imaging objective lens sleeve, and a fixing plate used for fixing the first imaging objective lens sleeve and the second imaging objective lens sleeve, wherein the first imaging objective lens group and the first diaphragm are coaxially arranged, and the second imaging objective lens group and the second diaphragm are coaxially arranged;
the 3D surgical microscope optical main mirror further includes: a first CCD camera connected with the first imaging objective sleeve and a second CCD camera connected with the second imaging objective sleeve;
wherein the first CCD camera and the second CCD camera are the same in model;
the driving device includes: a driving wheel meshed with the first belt wheel and the second belt wheel, and a driving motor connected with the driving wheel and driving the driving wheel;
the first imaging objective and the second imaging objective are both three-piece high resolution imaging objectives.
2. The 3D surgical microscope optical main scope according to claim 1, wherein the first pulley is provided with a first curved groove arranged along a central axis direction of the first zoom lens main body;
the first zoom lens barrel is provided with a first long groove arranged along the central axis direction of the first zoom lens main body;
a first transmission screw is arranged on the first zoom lens sleeve, and passes through the first long groove and the first curved groove;
the first curve groove is used for driving the first transmission screw to linearly move along the first long groove when rotating, and the first transmission screw is used for driving the first zoom lens sleeve to linearly move;
the second belt wheel is provided with a second curve groove arranged along the central axis direction of the second zoom lens main body;
the second zoom lens barrel is provided with a second long groove arranged along the central axis direction of the second zoom lens main body;
a second transmission screw is arranged on the second zoom lens sleeve, and passes through the second long groove and the second curved groove;
the second curve groove is used for driving the second transmission screw to linearly move along the second long groove when rotating, and the second transmission screw is used for driving the second zoom lens sleeve to linearly move.
3. The 3D surgical microscope optical primary mirror of claim 1, wherein the first adjustment assembly comprises: the first adjusting screw is used for pushing the first imaging objective lens group, the first adjusting spring is matched with the first adjusting screw and abuts against the first imaging objective lens group, the second adjusting screw is perpendicular to the first adjusting screw and used for pushing the first imaging objective lens group, the second adjusting spring is matched with the second adjusting screw and abuts against the first imaging objective lens group, and the second adjusting spring is perpendicular to the first adjusting spring;
the second adjustment assembly includes: the device comprises a third adjusting screw used for pushing the second imaging objective lens group, a third adjusting spring matched with the third adjusting screw and propped against the second imaging objective lens group, a fourth adjusting screw perpendicular to the third adjusting screw and used for pushing the second imaging objective lens group, and a fourth adjusting spring matched with the fourth adjusting screw and propped against the second imaging objective lens group, wherein the fourth adjusting spring is perpendicular to the third adjusting spring.
4. The 3D surgical microscope optical main mirror according to claim 1, wherein a first slideway for sliding the first adjusting rod is arranged on the first diaphragm, a second slideway for sliding the second adjusting rod is arranged on the second diaphragm, and the radian of the first slideway is the same as that of the second slideway;
the connecting rod is used for driving the first adjusting rod and the second adjusting rod to synchronously slide in the first slideway and the second slideway.
5. The 3D surgical microscope optical primary mirror of claim 1, further comprising: the device comprises a synthesizing device for synthesizing images shot by the first CCD camera and the second CCD camera, and a 3D display screen which is connected with the synthesizing device and used for displaying the synthesized images.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109828366B (en) * | 2019-04-08 | 2024-04-16 | 平湖莱顿光学仪器制造有限公司 | Objective turret and microscope |
| CN110286557A (en) * | 2019-08-07 | 2019-09-27 | 滑县红太阳医疗器械有限公司 | A kind of varifocal cross path 3D photographic device |
| CN112230418A (en) * | 2020-11-17 | 2021-01-15 | 江西佳达光电科技有限公司 | 3D digital microsurgery optical system |
| CN113219641B (en) * | 2021-04-27 | 2022-03-08 | 北京航空航天大学 | Continuous zooming stereomicroscope with adjustable stereoscopic angle |
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| CN102538984A (en) * | 2011-12-22 | 2012-07-04 | 中国科学院安徽光学精密机械研究所 | Continuous zooming atmospheric coherent length measuring and imaging device |
| CN202837668U (en) * | 2012-09-18 | 2013-03-27 | 上海轶德医疗设备有限公司 | Microscope video follow focus device |
| CN207488610U (en) * | 2017-11-29 | 2018-06-12 | 上海轶德医疗科技股份有限公司 | 3D surgical operation microscope optical main mirrors |
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| CN102538984A (en) * | 2011-12-22 | 2012-07-04 | 中国科学院安徽光学精密机械研究所 | Continuous zooming atmospheric coherent length measuring and imaging device |
| CN202837668U (en) * | 2012-09-18 | 2013-03-27 | 上海轶德医疗设备有限公司 | Microscope video follow focus device |
| CN207488610U (en) * | 2017-11-29 | 2018-06-12 | 上海轶德医疗科技股份有限公司 | 3D surgical operation microscope optical main mirrors |
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