Laser emitting device and ophthalmology system

Abstract

The invention relates to a laser emitting device and an ophthalmology system, and relates to the technical field of positioning optics, the laser emitting device comprises a moving part, one side of the moving part along a first direction is provided with a convex block, and the convex block comprises a mounting part and a deflection part which are arranged along the first direction; the supporting piece is located on the side, provided with the protruding block, of the moving piece and spaced from the moving piece, a containing cavity is formed in the supporting piece, and the deflection part is rotatably located in the containing cavity; the laser transmitter is provided with a mounting part; the retaining piece penetrates through the moving piece and is in threaded connection with the supporting piece, so that the outer surface of the deflection part is in contact with the cavity wall of the accommodating cavity; the actuating assembly comprises two actuating pieces arranged on the periphery of the protruding block, the actuating pieces are arranged on the moving piece in a penetrating mode in the first direction and abut against the side, close to the moving piece, of the supporting piece, and the actuating pieces are in threaded connection with the moving piece. In conclusion, according to the laser emitting device in the embodiment, the direction of the laser beam emitted by the laser emitter can be changed with high precision, and it is guaranteed that the laser beam emitted by the laser emitter is accurately irradiated to the center position of the target area.

Description

Technical Field

[0001] The present application relates to the field of positioning optical technology, and in particular to a laser emitting device and an ophthalmic system. Background Art

[0002] In clinical medicine, ophthalmologists usually need to perform fundus examinations on patients' eyes in order to diagnose and treat patients. In the prior art, fundus cameras are used to capture images of the fundus of human eyes, and doctors diagnose and treat patients based on the images captured by the fundus cameras. When the fundus camera is working, the laser of the fundus camera will emit a laser beam to the patient's eyes to perform laser scanning imaging of the human eye.

[0003] In the related art, the laser of the fundus camera is installed on a positioning device in the fundus camera for guiding the light beam. The positioning device can change the irradiation direction of the laser beam emitted by the laser; however, the positioning accuracy of the positioning device is poor, and it is difficult to adjust the irradiation direction of the laser beam with high precision, resulting in the laser beam emitted by the laser being difficult to accurately irradiate the center of the human eye. Summary of the invention

[0004] Based on this, it is necessary to propose a laser emitting device and an ophthalmic system to address the problem that the laser beam emitted by the laser in the current fundus camera is difficult to accurately irradiate the center of the human eye.

[0005] A laser emitting device, comprising:

[0006] A moving member, wherein a protrusion is provided on one side along a first direction, wherein the protrusion comprises a mounting portion and a deflection portion arranged along the first direction;

[0007] A support member, located at a side of the moving member where the protrusion is provided and spaced apart from the moving member, wherein a receiving cavity is provided on the support member, and the deflection portion is rotatably located in the receiving cavity;

[0008] A laser transmitter is arranged on the mounting portion;

[0009] at least one retaining member, disposed on the supporting member, the retaining member being passed through the moving member along the first direction and being threadedly connected to the supporting member so that the outer surface of the deflecting portion contacts the cavity wall of the accommodating cavity;

[0010] The actuating assembly comprises two actuating members arranged on the periphery of the protrusion, the actuating members penetrate the moving member along the first direction and abut against a side of the supporting member close to the moving member, and the actuating members are threadedly connected to the moving member.

[0011] In one embodiment, the actuating member includes an actuating portion and an abutting portion, the actuating portion penetrates the moving member along the first direction, and the actuating portion is threadedly connected to the moving member;

[0012] The abutting portion is connected to the actuating portion and is located between the actuating portion and the supporting member. The outer surface of the abutting portion abuts against a side of the supporting member close to the moving member.

[0013] In one embodiment, the support member includes a first area and a second area surrounding the first area;

[0014] The opening of the accommodating cavity faces the side of the first region of the supporting member close to the moving member, and the outer surface of the abutting portion abuts against the side of the second region of the supporting member close to the moving member.

[0015] In one of the embodiments, a receiving groove corresponding to the actuator is provided on a side of the second area of ​​the support member close to the movable member, and two rollers arranged at intervals are provided in the receiving groove; the abutment portion in the actuator corresponding to the receiving groove is located between the two rollers, and the outer surface of the abutment portion abuts against the outer periphery of the two rollers.

[0016] In one embodiment, the moving member is provided with a mounting hole corresponding to the retaining member, and the mounting hole penetrates the moving member along the first direction;

[0017] The retaining member includes a bolt and a first elastic member, the bolt includes a nut and a screw rod, the nut is located on a side of the movable member away from the supporting member and is spaced apart from the movable member along the first direction, one end of the screw rod is connected to the nut, and the other end passes through the mounting hole along the first direction and is threadedly connected to the second area of ​​the supporting member, the first elastic member is located between the nut and the movable member, and the first elastic member is sleeved on the outer periphery of the screw rod.

[0018] In one embodiment, the mounting hole comprises a first mounting hole section and a second mounting hole section which are coaxially arranged and interconnected; the first mounting hole section is arranged on a side of the moving member away from the supporting member along the first direction; the second mounting hole section is arranged on a side of the moving member close to the supporting member along the first direction, the diameter of the first mounting hole section is larger than the diameter of the second mounting hole section, and the outer diameter of the screw is smaller than the diameter of the second mounting hole section;

[0019] One end of the screw rod away from the nut passes through the first mounting hole section and the second mounting hole section in sequence along the first direction, and is threadedly connected to the support member.

[0020] In one embodiment, a plurality of first assembly holes are provided on the second region of the support member, and the first assembly holes penetrate the support member along the first direction;

[0021] The laser emitting device includes a mounting member and at least one mounting bolt, wherein the mounting member is arranged on a side of the supporting member away from the movable member, and a side of the mounting member close to the supporting member is provided with a plurality of second mounting holes corresponding to the plurality of first mounting holes one by one, each of the second mounting holes is coaxially arranged with the corresponding first mounting hole, and the aperture of the second mounting hole is smaller than the aperture of the first mounting hole; the mounting bolt is passed through any of the first mounting holes and is threadedly connected to the second mounting hole corresponding to the first mounting hole.

[0022] In one of the embodiments, the laser emitting device comprises a plurality of the mounting bolts, and the number of the plurality of mounting bolts is less than the number of the plurality of first assembly holes;

[0023] Each of the mounting bolts is passed through a different first assembly hole and is threadedly connected to the second assembly hole corresponding to the first assembly hole. The diameter of the second assembly hole matches the diameter of the bolt head of the mounting bolt.

[0024] In one of the embodiments, the laser emitting device includes a base, and the mounting member is slidably connected to the base and is configured to slide relative to the base along the first direction.

[0025] The laser emitting device in this embodiment adjusts the position of the threaded connection between the actuator and the moving part, adjusts the size of the part of the actuator located between the moving part and the support, and pushes the deflection part in the moving part to rotate in the accommodating cavity, thereby facilitating the laser emitter on the mounting part to rotate under the drive of the deflection part, changing the irradiation direction of the laser beam of the laser emitter, so that the laser beam is irradiated to the center position of the target area. In the above process, the outer surface of the deflection part always keeps in contact with the cavity wall of the accommodating cavity, the actuator rotates around the contact point with the support, and the rotation axis of the actuator is arranged to intersect with the extension direction of the actuator, and the rotation axis of the deflection part is parallel to the rotation axis of the actuator.

[0026] The actuator is threadedly connected to the moving part, and the size of the part of the actuator located between the moving part and the support can be adjusted more accurately, and the actuator can push the deflection part to rotate with higher precision in the accommodating cavity. It should be supplemented that two actuators are arranged on the periphery of the protrusion, and by adjusting the positions of the threaded connection between different actuators and the moving part, and adjusting the sizes of the parts of different actuators located between the moving part and the support, the deflection part can be pushed to rotate around different axes in the accommodating cavity, and the laser beam emitted by the laser emitter can be adjusted from two different directions to ensure that the laser beam emitted by the laser emitter is accurately irradiated to the center position of the target area, so that the center of the target area is located at the center of the image, thereby making the image obtained by the image processing unit according to the laser beam reflected at the target area more uniform, complete and clear.

[0027] The present application also proposes an ophthalmic system, comprising the laser emitting device described in any of the above items, and

[0028] A laser transmission component is used to transmit the laser emitted by the laser emitting device to the target object; an image processing unit is used to obtain an image of the target object based on the laser reflected by the target object.

[0029] In the ophthalmic system of this embodiment, the laser beam emitted by the laser emitter in the laser emitting device is transmitted to the target object through the laser transmission component and reflected by the target object, and the image processing unit obtains an image of the target object based on the laser beam reflected by the target object.

[0030] The laser emitting device adjusts the position of the threaded connection between the actuator and the moving part, adjusts the size of the part of the actuator located between the moving part and the supporting part, and pushes the deflection part in the moving part to rotate in the accommodating cavity, thereby facilitating the laser emitter on the mounting part to rotate under the drive of the deflection part, and changes the irradiation direction of the laser beam of the laser emitter, so that the laser beam is transmitted through the laser transmission component and irradiates the center position of the target area on the target object. In the above process, the outer surface of the deflection part always keeps in contact with the cavity wall of the accommodating cavity, the actuator rotates around the contact point with the supporting part, and the rotation axis of the actuator is parallel to the rotation axis of the deflection part.

[0031] The actuator is threadedly connected to the moving part, and the size of the part of the actuator located between the moving part and the support part can be adjusted more accurately, and the actuator can push the deflection part to rotate with higher precision in the accommodating cavity. It should be supplemented that two actuators are arranged on the periphery of the protrusion, and by adjusting the positions of the threaded connection between different actuators and the moving part, and adjusting the sizes of the parts of different actuators located between the moving part and the support part, the deflection part can be pushed to rotate around different axes in the accommodating cavity, and the laser beam emitted by the laser emitter can be adjusted from two different directions to ensure that the laser beam emitted by the laser emitter is accurately irradiated to the center position of the target area on the target object after being transmitted by the laser transmission component, so that the center of the target area is located at the center of the image, thereby making the image obtained by the image processing unit according to the laser beam reflected at the target area more uniform, complete and clear. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments or exemplary embodiments of the present application, the drawings required for use in the description of the embodiments or exemplary embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0033] Figure 1 Schematic diagram of the structure of a laser emitting device in one embodiment of the present application.

[0034] Figure 2 for Figure 1 The structural schematic diagram of the laser emitting device is shown.

[0035] Figure 3 for Figure 1 An exploded view of the laser launch device is shown.

[0036] Figure 4 for Figure 3 Schematic diagram of the partial structure of the moving parts in the exploded view shown.

[0037] Figure 5 Schematic diagram of the structure of an ophthalmic system in one embodiment of the present application.

[0038] Figure 6 This is an image obtained after the laser beam irradiated onto the human eye model is reflected before the ophthalmic system is calibrated in this application.

[0039] Figure 7 This is an image obtained after the laser beam irradiated onto the human eye model after the ophthalmic system in this application is calibrated and reflected.

[0040] Reference numerals:

[0041] Ophthalmology system 1;

[0042] Laser emitting device 10;

[0043] Moving member 110, protrusion 111, mounting portion 111-1, deflection portion 111-2, mounting groove 111-3, clamping block 111-4, first through hole 111-5, mounting hole 112, laser cover 113, light exit hole 113-1;

[0044] Support member 120, accommodating cavity 121, second through hole 122, accommodating groove 123, roller 124, first assembly hole 125, first area 126, second area 127;

[0045] A retaining member 130, a bolt 131, a nut 131-1, and a screw rod 131-2;

[0046] Actuating assembly 140, actuating member 141, actuating portion 141-1, abutting portion 141-2;

[0047] A mounting member 150, a second assembly hole 151, a guide portion 152, an adjustment rod 153, and a first bolt 154;

[0048] Mounting bolt 160;

[0049] Base 170, guide groove 171, groove 172, limiting groove 173, limiting member 174, second bolt 175, guide rod 176;

[0050] A second elastic member 180;

[0051] Laser transmission assembly 20 , lens 210 , first lens 211 , second lens 212 , third lens 213 , fourth lens 214 , reflector 220 , first reflector 221 , second reflector 222 , third reflector 223 , scanning galvanometer 230 , human eye model 240 . DETAILED DESCRIPTION

[0052] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0053] See also Figures 1 to 4 , Figure 1A schematic structural diagram of a laser emitting device in one embodiment of the present application is shown. A laser emitting device 10 provided in one embodiment of the present application is used in ophthalmic imaging equipment, and includes: a moving member 110, a supporting member 120, a laser emitter (not shown), at least one retaining member 130, and an actuating assembly 140. The moving member 110 is provided with a protrusion 111 on one side along the first direction, and the protrusion 111 includes a mounting portion 111-1 and a deflection portion 111-2 arranged along the first direction. The supporting member 120 is located on a side of the moving member 110 where the protrusion 111 is provided, and is spaced apart from the moving member 110. An accommodating cavity 121 is provided on the supporting member 120, and the deflection portion 111-2 is rotatably located in the accommodating cavity 121. The laser emitter is provided on the mounting portion 111-1; at least one retaining member 130 is provided on the supporting member 120. The holding member 130 passes through the moving member 110 along the first direction and is threadedly connected to the supporting member 120 so that the outer surface of the deflection portion 111-2 contacts the cavity wall of the accommodating cavity 121; the actuating assembly 140 includes two actuating members 141 arranged on the periphery of the protrusion 111, the actuating members 141 pass through the moving member 110 along the first direction, and abut against a side of the supporting member 120 close to the moving member 110, and the actuating members 141 are threadedly connected to the moving member 110.

[0054] The laser emitting device 10 in this embodiment adjusts the position of the threaded connection between the actuator 141 and the moving member 110, adjusts the size of the part of the actuator 141 located between the moving member 110 and the support member 120, and pushes the deflection part 111-2 in the moving member 110 to rotate in the accommodating cavity 121, thereby facilitating the laser emitter on the mounting part 111-1 to rotate under the drive of the deflection part 111-2, and changes the irradiation direction of the laser beam of the laser emitter, so that the laser beam is irradiated to the center position of the target area. In the above process, the outer surface of the deflection part 111-2 is always in contact with the cavity wall of the accommodating cavity 121, the actuator 141 will rotate around the contact point with the support member 120, the rotation axis of the actuator 141 is arranged to intersect with the extension direction of the actuator 141, and the rotation axis of the deflection part 111-2 is parallel to the rotation axis of the actuator 141.

[0055] The actuator 141 is threadedly connected to the moving member 110 , and the size of the portion of the actuator 141 between the moving member 110 and the supporting member 120 can be adjusted more accurately. The actuator 141 can push the deflection portion 111 - 2 to rotate with higher precision in the accommodating cavity 121 .

[0056] It should be supplemented that two actuators 141 are provided on the periphery of the protrusion 111. By adjusting the positions of the threaded connections between different actuators 141 and the movable member 110 and adjusting the sizes of the parts of different actuators 141 located between the movable member 110 and the support member 120, the deflection portion 111-2 can be pushed to rotate around different axes in the accommodating cavity 121, and the laser beam emitted by the laser emitter can be adjusted from two different directions to ensure that the laser beam emitted by the laser emitter is accurately irradiated to the center of the target area, so that the center of the target area is located at the center of the image, thereby making the image obtained by the image processing unit based on the laser beam reflected at the target area more uniform, complete and clear.

[0057] See also Figure 3 and Figure 4 In some embodiments, the actuator 141 includes an actuator portion 141-1 and an abutment portion 141-2. The actuator portion 141-1 penetrates the moving member 110 along the first direction, and the actuator portion 141-1 is threadedly connected to the moving member 110; the abutment portion 141-2 is connected to the actuator portion 141-1 and is located between the actuator portion 141-1 and the support member 120, and the outer surface of the abutment portion 141-2 abuts against a side of the support member 120 close to the moving member 110.

[0058] In some embodiments, the outer surface of the abutting portion 141 - 2 is a curved surface. Optionally, the curved surface includes a first spherical surface having a partial spherical shape, and the first spherical surface abuts against a side of the supporting member 120 close to the moving member 110 .

[0059] In other embodiments, the deflection portion 111 - 2 includes a second spherical surface having a partial spherical shape, and the accommodating cavity 121 is a chamber having a partial hollow spherical shape so as to at least partially receive the second spherical surface, and the deflection portion 111 - 2 is configured to rotate around the center of the accommodating cavity 121 within the accommodating cavity 121.

[0060] In other embodiments, the two actuating members 141 are disposed around the outer circumference of the protrusion 111 , and the angle between the two actuating members 141 is 90 degrees.

[0061] See also Figure 3 and Figure 4 In some embodiments, the support member 120 includes a first area 126 and a second area 127 surrounding the first area 126; the opening of the accommodating cavity 121 is toward the side of the first area 126 of the support member 120 close to the moving member 110, and the outer surface of the abutting portion 141-2 abuts against the side of the support member 120 in the second area 127 of the support member 120.

[0062] In this embodiment, by designing the partial spherical shape of the deflection portion 111 - 2 of the laser emitting device 10 , the need for adjusting the laser emitting device 10 can be met and the volume of the laser emitting device 10 can be reduced.

[0063] In some embodiments, a second through hole 122 is provided on a side of the first region 126 of the support member 120 away from the moving member 110, and the second through hole 122 extends along the first direction and is connected to the accommodating cavity 121; the mounting portion 111-1 is located in the second through hole 122, and an annular gap is provided between the outer periphery of the mounting portion 111-1 and the inner wall of the second through hole 122, and in the direction in which the moving member 110 points toward the support member 120, the mounting portion 111-1 at least partially extends out of the second through hole 122 to be connected to the laser emitter.

[0064] In some embodiments, a mounting groove 111 - 3 is provided on one side of the mounting portion 111 - 1 away from the deflection portion 111 - 2 along the first direction, and the laser emitter is located in the mounting groove 111 - 3 .

[0065] In some embodiments, a card block 111 - 4 is provided in the mounting slot 111 - 3 , and a card slot (not shown) is provided on the laser emitter, and the card slot on the laser emitter is engaged with the card block 111 - 4 in the mounting slot 111 - 3 .

[0066] In some embodiments, a first through hole 111-5 is provided on one side of the movable member 110 away from the supporting member 120 along the first direction. The first through hole 111-5 extends along the first direction. The first through hole 111-5 passes through the deflection portion 111-2 and the mounting portion 111-1 in sequence and is connected to the mounting groove 111-3. The first through hole 111-5 is for the control line of the laser emitter to pass through.

[0067] In some embodiments, the movable member 110 includes a laser cover 113, which is disposed on the light outlet of the laser emitter and is threadedly connected to the mounting portion 111-1. The laser cover 113 is provided with a light outlet hole 113-1 extending along the first direction, and the light outlet hole 113-1 is used for emitting laser from the laser emitter.

[0068] See also Figure 3 and Figure 4 In some embodiments, a receiving groove 123 corresponding to the actuator 141 is provided on the side of the second area 127 of the support member 120 close to the movable member 110, and two rollers 124 arranged at intervals are provided in the receiving groove 123; the abutment portion 141-2 of the actuator 141 corresponding to the receiving groove 123 is located between the two rollers 124, and the outer surface of the abutment portion 141-2 abuts against the outer periphery of the two rollers 124.

[0069] In this embodiment, the abutment portion 141-2 in the actuator 141 is arranged between the two rollers 124, and the outer surface of the abutment portion 141-2 abuts against the outer periphery of the two rollers 124, so as to limit the abutment portion 141-2 by means of the two rollers 124; when the size of the portion of the actuator 141-1 located between the moving member 110 and the supporting member 120 is adjusted, the deflection portion 111-2 is prevented from rotating in the accommodating cavity 121 around an axis parallel to the first direction.

[0070] In some embodiments, the receiving groove 123 is located on one side of the receiving cavity 121 along the third direction, and two rollers 124 arranged at intervals along the second direction are disposed in the receiving groove 123, and each roller 124 extends along the third direction. The first direction, the second direction and the third direction are arranged to intersect each other.

[0071] See also Figure 3 and Figure 4 In some embodiments, the moving member 110 is provided with a mounting hole 112 corresponding to the retaining member 130, and the mounting hole 112 penetrates the moving member 110 along the first direction; the retaining member 130 includes a bolt 131 and a first elastic member (not shown in the figure), the bolt 131 includes a nut 131-1 and a screw rod 131-2, the nut 131-1 is located on the side of the moving member 110 away from the support member 120, and is arranged with the moving member 110 at intervals along the first direction, one end of the screw rod 131-2 is connected to the nut 131-1, and the other end passes through the mounting hole 112 along the first direction, and is threadedly connected to the support member 120 of the second area 127, the first elastic member is located between the nut 131-1 and the moving member 110, and the first elastic member is sleeved on the outer periphery of the screw rod 131-2.

[0072] In this embodiment, when the actuator 141 located between the moving member 110 and the supporting member 120 pushes the deflection portion 111-2 in the moving member 110 to rotate in the accommodating chamber 121, the distance between the moving member 110 and the nut 131-1 changes, and the first elastic member undergoes elastic deformation. The elastically deformed first elastic member applies an elastic force to the moving member 110. Under the action of the elastic force, the outer surface of the deflection portion 111-2 always maintains contact with the cavity wall of the accommodating chamber 121.

[0073] In some embodiments, the laser emitting device 10 includes a plurality of retaining members 130 , and the plurality of retaining members 130 are disposed around the protrusion 111 around an axis parallel to the first direction.

[0074] See also Figure 3 and Figure 4In some embodiments, the mounting hole 112 includes a first mounting hole section (not marked in the figure) and a second mounting hole section (not marked in the figure) that are coaxially arranged and interconnected; the first mounting hole section is arranged on a side of the moving member 110 away from the support member 120 along the first direction; the second mounting hole section is arranged on a side of the moving member 110 close to the support member 120 along the first direction, the diameter of the first mounting hole section is greater than the diameter of the second mounting hole section, and the outer diameter of the screw 131-2 is smaller than the diameter of the second mounting hole section; the end of the screw 131-2 away from the nut 131-1 passes through the first mounting hole section and the second mounting hole section in sequence along the first direction, and is threadedly connected to the support member 120.

[0075] In this embodiment, since the outer diameter of the screw 131-2 is smaller than the diameter of the second mounting hole section, when the actuator 141 pushes the deflection part 111-2 to rotate in the accommodating cavity 121, the relative position between the central axis of the screw 131-2 and the central axis of the second mounting hole section will change, and the moving member 110 will move relative to the screw 131-2, thereby not restricting the movement of the moving member 110.

[0076] See also Figure 2 In some embodiments, a plurality of first assembly holes 125 are provided on the second area 127 of the support member 120, and the first assembly holes 125 penetrate the support member 120 along the first direction; the laser emitting device 10 includes a mounting member 150 and at least one mounting bolt 160, the mounting member 150 is arranged on the side of the support member 120 away from the moving member 110, and a plurality of second assembly holes 151 corresponding to the plurality of first assembly holes 125 are provided on the side of the mounting member 150 close to the support member 120, each second assembly hole 151 is coaxially arranged with the corresponding first assembly hole 125, and the aperture of the second assembly hole 151 is smaller than the aperture of the first assembly hole 125; the mounting bolt 160 is passed through any first assembly hole 125 and is threadedly connected to the second assembly hole 151 corresponding to the first assembly hole 125.

[0077] In this embodiment, when the laser beam emitted by the laser emitter is to be irradiated to the target area, the staff will push the support member 120 to move along the second direction or the third direction relative to the mounting member 150 to drive the movable member 110 to move synchronously, thereby causing the laser emitter on the mounting portion 111-1 in the movable member 110 to move along the second direction or the third direction relative to the target area until the laser beam emitted by the laser emitter is irradiated into the target area, and the staff stops pushing the support member 120.

[0078] In the above process, the first assembly hole 125 will move along the second direction or the third direction relative to the second assembly hole 151, and the axis of the first assembly hole 125 will no longer coincide with the axis of the first assembly hole 125; since the aperture of the first assembly hole 125 is larger than the aperture of the second assembly hole 151, when the staff pushes the support member 120 to make a small movement, the projection of the second assembly hole 151 on the support member 120 will always be located in the first assembly hole 125, and the staff can normally use the mounting bolt 160 to pass through the first assembly hole 125 and threadedly connect it to the second assembly hole 151 corresponding to the first assembly hole 125, so as to fix and lock the relative position relationship between the support member 120 and the mounting member 150.

[0079] To summarize, in this embodiment, the relative position of the support member 120 and the mounting member 150 can be adjusted and changed in the second direction and the third direction, and then the position of the laser emitter relative to the mounting member 150 can be adjusted, so that the laser beam emitted by the laser emitter irradiates the target area, and the image processing unit obtains an image based on the laser beam reflected at the target area, and the staff can observe the image on the display device.

[0080] See also Figure 2 In some embodiments, the laser emitting device 10 includes a plurality of mounting bolts 160, and the number of the plurality of mounting bolts 160 is less than the number of the plurality of first assembly holes 125; each mounting bolt 160 is passed through a different first assembly hole 125, and is threadedly connected to a second assembly hole 151 corresponding to the first assembly hole 125, and the aperture of the second assembly hole 151 matches the diameter of the bolt head (not shown) of the mounting bolt 160.

[0081] In this embodiment, when the relative position relationship between the support member 120 and the mounting member 150 is to be adjusted, the staff will loosen all the mounting bolts 160 and use a lever (not shown) to lever any first assembly hole 125 that is not passed through by the mounting bolt 160, so that each first assembly hole 125 passed through by the mounting bolt 160 moves along the second direction or the third direction relative to the corresponding second assembly hole 151, thereby pushing the support member 120 to move along the second direction or the third direction relative to the mounting member 150, until the laser beam emitted by the laser emitter on the mounting portion 111-1 in the moving member 110 driven by the support member 120 irradiates the target area, and the staff stops levering and tightens each loosened mounting bolt 160.

[0082] See also Figure 2 In some embodiments, the laser emitting device 10 includes a base 170, and the mounting member 150 is slidably connected to the base 170 and is configured to slide relative to the base 170 along a first direction.

[0083] In this embodiment, by pushing the mounting member 150 to move along the first direction relative to the base 170, the support member 120 can be driven to move synchronously, so that the laser emitter on the mounting portion 111-1 in the movable member 110 moves along the first direction relative to the base 170, and the relative position relationship between the focus of the laser beam emitted by the laser emitter and the target area in the first direction is changed, ensuring that the focus of the laser beam emitted by the laser emitter is located within the target area, thereby improving the clarity of the image obtained by the image processing unit based on the laser beam reflected at the target area.

[0084] In some embodiments, the mounting member 150 and the base 170 are arranged at intervals along the first direction, and an adjustment rod 153 is provided on the mounting member 150. The adjustment rod 153 extends along the first direction. The adjustment rod 153 passes through the mounting member 150, and one end of the adjustment rod 153 contacts a side of the base 170 close to the mounting member 150.

[0085] In some embodiments, a guide groove 171 is provided on one side of the base 170 along the third direction, and the guide groove 171 extends along the first direction. A guide portion 152 is provided on the mounting member 150, and the guide portion 152 is located in the guide groove 171 and is configured to slide along the extension direction of the guide groove 171.

[0086] In some embodiments, a limit groove 173 is provided on one side of the base 170 along the third direction, and the limit groove 173 is located on the side of the guide groove 171 along the first direction away from the mounting member 150, and the limit groove 173 extends along the second direction, and the limit groove 173 is connected to the guide groove 171, and the size of the limit groove 173 in the second direction is larger than the size of the guide groove 171 in the second direction; a limit member 174 is provided in the limit groove 173, and the outer periphery of the limit member 174 contacts the side wall of the limit groove 173; the laser emitting device 10 includes a second elastic member 180, and the second elastic member 180 extends along the first direction, and one end of the second elastic member 180 is connected to the guide portion 152, and the other end is connected to the limit member 174.

[0087] In some embodiments, a first bolt 154 is provided on the side of the guide portion 152 away from the base 170 along the third direction, a second bolt 175 is provided on the side of the limiting member 174 away from the base 170 along the third direction, and one end of the second elastic member 180 is connected to the first bolt 154, and the other end is connected to the second bolt 175.

[0088] In some embodiments, grooves 172 are provided on the groove walls of the guide groove 171 on opposite sides along the second direction, the groove 172 extends along the first direction, a guide rod 176 is provided in the groove 172, the guide rod 176 extends along the first direction, and the outer periphery of the guide rod 176 contacts the groove wall of the groove 172.

[0089] In some embodiments, the guide portion 152 is provided with sliding grooves (not marked in the figure) on opposite sides along the second direction, the sliding grooves extend along the first direction, the two sliding grooves are arranged corresponding to the two guide rods 176, and each guide rod 176 is located in the area outside the groove 172 and contacts the groove wall of the corresponding sliding groove.

[0090] See also Figure 5 , Figure 5 The schematic diagram of the structure of an ophthalmic system in one embodiment of the present application is shown. An ophthalmic system 1 provided in one embodiment of the present application includes the aforementioned laser emitting device 10, a laser transmission component 20, and an image processing unit. The laser transmission component 20 is used to transmit the laser emitted by the laser emitting device 10 to the target object; the image processing unit is used to obtain an image of the target object based on the laser reflected by the target object.

[0091] In the ophthalmic system 1 of this embodiment, the laser beam emitted by the laser emitter in the laser emitting device 10 is transmitted to the target object (human eye model 240) through the laser transmission component 20 and is reflected by the target object. The image processing unit obtains an image of the target object based on the laser beam reflected by the target object.

[0092] The laser emitting device 10 adjusts the position of the threaded connection between the actuator 141 and the moving member 110, adjusts the size of the part of the actuator 141 located between the moving member 110 and the support member 120, and pushes the deflection part 111-2 in the moving member 110 to rotate in the accommodating cavity 121, thereby facilitating the laser emitter on the mounting portion 111-1 to rotate under the drive of the deflection part 111-2, and changes the irradiation direction of the laser beam of the laser emitter, so that the laser beam is transmitted through the laser transmission component 20 and irradiates the center position of the target area on the target object. In the above process, the outer surface of the deflection part 111-2 is always in contact with the cavity wall of the accommodating cavity 121, the actuator 141 rotates around the contact point with the support member 120, and the rotation axis of the actuator 141 is parallel to the rotation axis of the deflection part 111-2.

[0093] The actuator 141 is threadedly connected to the moving member 110 , and the size of the portion of the actuator 141 between the moving member 110 and the supporting member 120 can be adjusted more accurately. The actuator 141 can push the deflection portion 111 - 2 to rotate with higher precision in the accommodating cavity 121 .

[0094] It should be supplemented that two actuators 141 are provided on the periphery of the protrusion 111. By adjusting the positions of the threaded connections between different actuators 141 and the movable member 110 and adjusting the sizes of the parts of different actuators 141 located between the movable member 110 and the support member 120, the deflection portion 111-2 can be pushed to rotate around different axes in the accommodating cavity 121, and the laser beam emitted by the laser emitter can be adjusted from two different directions to ensure that the laser beam emitted by the laser emitter is accurately irradiated to the center of the target area on the target object after being transmitted by the laser transmission assembly 20, so that the center of the target area is located at the center of the image, thereby making the image obtained by the image processing unit based on the laser beam reflected at the target area more uniform, complete and clear.

[0095] It should be noted that before adjusting the position of the threaded connection between the actuator 141 and the moving member 110, the following operations are performed: (1) adjusting the relative position relationship between the axis of the second assembly hole 151 and the axis of the first assembly hole 125 to change the relative position of the support member 120 and the mounting member 150; (2) pushing the mounting member 150 to move relative to the base 170 along the first direction to change the relative position relationship between the focus of the laser beam emitted by the laser emitter and the target area in the first direction. The focus of the laser beam emitted by the laser emitter falls within the target area, and the image obtained by the image processing unit based on the laser beam reflected at the target area can be clearly observed on the display unit.

[0096] It needs to be further emphasized that Figure 6 The image shown is obtained after the laser beam irradiated to the human eye model 240 before calibration of the ophthalmic system 1 is reflected; Figure 7 The image shown is obtained after the laser beam irradiated to the human eye model 240 after the ophthalmic system 1 is calibrated and reflected; compared with the image before the ophthalmic system 1 is calibrated, the image obtained after the laser beam irradiated to the human eye model 240 after the ophthalmic system 1 is calibrated and reflected can be observed more clearly, and the center of the target area is located at the center of the image, ensuring the integrity of the image. Therefore, the laser emitting device 10 in the ophthalmic system 1 of the present invention can be adjusted as described above by observing the image until a target image that meets the requirements is obtained, completing the adjustment process as described above.

[0097] In some embodiments, the laser transmission component 20 includes a lens 210, a reflector 220 and a scanning galvanometer 230. The laser beam emitted by the laser emitter in the laser emitting device 10 passes through the lens 210 and is reflected by the reflector 220 to the scanning galvanometer 230, and is irradiated to the human eye model 240 under the emission of the scanning galvanometer 230.

[0098] In some embodiments, the lens 210 includes a first lens 211, a second lens 212, a third lens 213 and a fourth lens 214, and the reflector 220 includes a first reflector 221, a second reflector 222 and a third reflector 223; the laser beam emitted by the laser emitter in the laser emitting device 10 passes through the first lens 211 to the first reflector 221, is reflected by the first reflector 221, passes through the second lens 212 to the second reflector 222, is reflected by the second reflector 222 and is reflected by the scanning galvanometer 230, and is reflected by the scanning galvanometer 230, passes through the third lens 213 to the third reflector 223, and is reflected by the third reflector 223, passes through the fourth lens 214 and is reflected by the human eye model 240.

[0099] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0100] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A laser emitting device for ophthalmic imaging equipment, characterized in that: include: A moving member, wherein a protrusion is provided on one side along a first direction, wherein the protrusion comprises a mounting portion and a deflection portion arranged along the first direction; A support member, located at a side of the moving member where the protrusion is provided and spaced apart from the moving member, wherein the support member is provided with an accommodating cavity, and the deflecting portion is rotatably located in the accommodating cavity; A laser emitter, arranged on the mounting portion; at least one retaining member, the retaining member being inserted through the moving member along the first direction and being threadedly connected to the supporting member so that the outer surface of the deflecting portion contacts the cavity wall of the accommodating cavity; The actuating assembly comprises two actuating members arranged on the periphery of the protrusion, the actuating members penetrate the moving member along the first direction and abut against a side of the supporting member close to the moving member, and the actuating members are threadedly connected to the moving member.

2. The laser emitting device according to claim 1, characterized in that: The actuating member comprises an actuating portion and an abutting portion, the actuating portion is disposed through the moving member along the first direction, and the actuating portion is threadedly connected to the moving member; The abutting portion is connected to the actuating portion and is located between the actuating portion and the supporting member. The outer surface of the abutting portion abuts against a side of the supporting member close to the moving member.

3. The laser emitting device according to claim 2, characterized in that: The support member includes a first area and a second area surrounding and arranged outside the first area; The opening of the accommodating cavity faces the side of the first region of the supporting member close to the moving member, and the outer surface of the abutting portion abuts against the side of the second region of the supporting member close to the moving member.

4. The laser emitting device according to claim 3, characterized in that: A receiving groove corresponding to the actuator is provided on one side of the second area of ​​the support member close to the movable member, and two rollers arranged at intervals are provided in the receiving groove; the abutment portion in the actuator corresponding to the receiving groove is located between the two rollers, and the outer surface of the abutment portion abuts against the outer periphery of the two rollers.

5. The laser emitting device according to claim 3, characterized in that: The moving member is provided with a mounting hole corresponding to the holding member, and the mounting hole penetrates the moving member along the first direction; The retaining member includes a bolt and a first elastic member, the bolt includes a nut and a screw rod, the nut is located on a side of the movable member away from the supporting member and is spaced apart from the movable member along the first direction, one end of the screw rod is connected to the nut, and the other end passes through the mounting hole along the first direction and is threadedly connected to the second area of ​​the supporting member, the first elastic member is located between the nut and the movable member, and the first elastic member is sleeved on the outer periphery of the screw rod.

6. The laser emitting device according to claim 5, characterized in that: The mounting hole comprises a first mounting hole section and a second mounting hole section which are coaxially arranged and interconnected; the first mounting hole section is arranged on a side of the moving member away from the supporting member along the first direction; the second mounting hole section is arranged on a side of the moving member close to the supporting member along the first direction, the diameter of the first mounting hole section is larger than the diameter of the second mounting hole section, and the outer diameter of the screw is smaller than the diameter of the second mounting hole section; One end of the screw rod away from the nut passes through the first mounting hole section and the second mounting hole section in sequence along the first direction, and is threadedly connected to the support member.

7. The laser emitting device according to claim 3, characterized in that: A plurality of first assembly holes are provided on the second area of ​​the support member, and the first assembly holes penetrate the support member along the first direction; The laser emitting device also includes a mounting member and at least one mounting bolt, wherein the mounting member is arranged on a side of the support member away from the movable member, and a side of the mounting member close to the support member is provided with a plurality of second assembly holes corresponding to the plurality of first assembly holes one by one, each of the second assembly holes is coaxially arranged with the corresponding first assembly hole, and the aperture of the second assembly hole is smaller than the aperture of the first assembly hole; the mounting bolt is passed through any of the first assembly holes and is threadedly connected to the second assembly hole corresponding to the first assembly hole.

8. The laser emitting device according to claim 7, characterized in that: The laser emitting device comprises a plurality of the mounting bolts, and the number of the plurality of mounting bolts is less than the number of the plurality of first assembly holes; Each of the mounting bolts is passed through a different first assembly hole and is threadedly connected to the second assembly hole corresponding to the first assembly hole. The diameter of the second assembly hole matches the diameter of the bolt head of the mounting bolt.

9. The laser emitting device according to claim 7, characterized in that: The laser emitting device comprises a base, and the mounting member is slidably connected to the base and is configured to slide relative to the base along the first direction.

10. An ophthalmic system, characterized in that: A laser emitting device comprising any one of claims 1 to 9, and A laser transmission component is used to transmit the laser emitted by the laser emitting device to the target object; an image processing unit is used to obtain an image of the target object based on the laser reflected by the target object.

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