Medical near-eye display device

Abstract

The invention relates to a medical near-to-eye display device, comprising: a frame comprising a first base and a second base arranged at an interval along a first direction; the head ring assembly comprises two head rings arranged at intervals in the second direction, a containing cavity used for containing the head of a user is defined by the two head rings, the first base and the second base, and the first direction intersects with the second direction; one end of each head ring is fixedly connected to the first base, and the other end is slidably connected to the second base; the display module is used for displaying medical images, and the display module is rotationally connected to the first base so that the display module can rotate around a second direction in a damping mode relative to the first base; the space positioning piece is rotationally connected to the first base so that the space positioning piece can rotate around a second direction in a damping mode relative to the first base. The medical near-to-eye display device has multiple functions of head ring adjustment, display module overturning, space positioning piece overturning and the like.

Description

Technical Field

[0001] The present application relates to the field of medical device technology, and in particular to a medical near-eye display device. Background Art

[0002] Before a neurosurgery operation, doctors usually make a surgical plan with the help of medical images. During the operation, the surgical navigation system is used to track the position of surgical instruments in real time so that it can be displayed on the medical image. Doctors can achieve intraoperative navigation by observing the real-time relative position of surgical instruments and lesions on medical images. At present, there is a medical near-eye display device. By wearing such a device, doctors can switch between medical images and real space. However, in the related technology, the functions of such devices are relatively single, and the convenience and adaptability of use are poor. Summary of the invention

[0003] Based on this, it is necessary to provide a medical near-eye display device, which can display relevant images through a display module and realize the basic functions of such a device; in addition, it also has a variety of additional functions such as headband adjustment, display module flipping and spatial positioning part flipping. The settings of these functions enable the device to be adjusted according to user needs, and it is more convenient to use and adaptable.

[0004] A medical near-eye display device, comprising:

[0005] The frame comprises a first base and a second base arranged at intervals along a first direction;

[0006] A headband assembly, comprising two headbands spaced apart along a second direction, wherein the two headbands, the first base and the second base define a receiving cavity for receiving a user's head, wherein the first direction intersects with the second direction;

[0007] One end of each headband is fixedly connected to the first base, and the other end is slidably connected to the second base;

[0008] a display module, used for displaying medical images, the display module being rotatably connected to the first base so that the display module can rotate with damping relative to the first base around the second direction; and

[0009] The spatial positioning member is rotatably connected to the first base so that the spatial positioning member can rotate relative to the first base around the second direction with damping.

[0010] In one embodiment, the medical near-eye display device includes an adjustment component, which includes a knob, a gear, and two racks meshed with the gear. The knob is connected to the gear, and the two racks are connected to the two headbands in a one-to-one correspondence. The knob is configured to be operably rotated to drive the two racks to be relatively close to or away from each other in the direction of their own length.

[0011] In one embodiment, the adjustment assembly also includes a locking mechanism, when the gear rotates forward, the two racks are relatively close to each other in their own length direction, and when the gear rotates reversely, the two racks are relatively far away from each other in their own length direction; when the knob is in an unturned state, the locking mechanism can prevent the gear from rotating reversely.

[0012] In one embodiment, the locking mechanism includes a first locking member, a second locking member, and a gear ring with a plurality of teeth on the inner wall, a tooth groove is constructed between two adjacent teeth, the second locking member is located in the gear ring and connected to the gear, the first locking member is connected to the knob, the second locking member includes a cantilever, the free end of the cantilever is clamped in the tooth groove, so as to inhibit the gear from rotating in the opposite direction when the knob is in the non-rotated state;

[0013] When the knob rotates forward, the first locking member drives the second locking member to rotate synchronously, the free end is deformed to slide from one tooth groove into an adjacent tooth groove, and the gear rotates forward synchronously with the second locking member; when the knob rotates reversely, the free end is deformed under the support of the first locking member to disengage from the tooth groove, and the gear can rotate reversely.

[0014] In one of the embodiments, the first locking member includes a pushing block, and the second locking member is provided with a slot located on one side of the cantilever and an avoidance slot located on the other side of the cantilever, and the pushing block extends into the slot; when the knob rotates forward, one end of the pushing block abuts against the slot wall of the slot to push the second locking member to rotate synchronously; when the knob rotates reversely, the other end of the pushing block abuts against the cantilever to allow the free end to avoid the avoidance slot and escape from the tooth groove.

[0015] In one embodiment, the first locking member includes a plurality of the pushing blocks arranged at intervals along its own circumference, and the second locking member includes a plurality of the cantilever arms arranged at intervals along its own circumference, and each of the cantilever arms is provided with a slot on one side and an avoidance groove on the other side, and each of the pushing blocks extends into one of the slots.

[0016] In one embodiment, the medical near-eye display device includes a first clamp, a first fastener and a first rotating shaft extending along the second direction, one of the first clamp and the first rotating shaft is connected to the spatial positioning member, the other of the first clamp and the first rotating shaft is connected to the first base, the first clamp is sleeved on the outside of the first rotating shaft, and the first fastener is used to lock the first clamp so that the first clamp abuts against the first rotating shaft.

[0017] In one embodiment, the medical near-eye display device includes a second clamp, a second fastener and a second shaft extending along the second direction, one of the second clamp and the second shaft is connected to the display module, the other of the second clamp and the second shaft is connected to the first base, the second clamp is sleeved on the outside of the second shaft, and the second fastener is used to lock the second clamp so that the second clamp abuts against the second shaft.

[0018] In one embodiment, the second base includes a shell having a cavity inside, the shell is provided with an air inlet and an air outlet connected to the cavity, a processor, heat sink fins and a fan are provided in the cavity, the processor is connected to the heat sink fins, and the fan is used to suck air into the air through the air inlet and discharge it through the air outlet.

[0019] In one embodiment, the size of the end of the headband connected to the first base is larger than the size of the end connected to the second base.

[0020] In one of the embodiments, a sensor for detecting the presence of the brain is provided on one side of the headband close to the accommodating cavity.

[0021] In one of the embodiments, a buffer is provided on a side of the second base close to the accommodating cavity.

[0022] In the above-mentioned medical near-eye display device, the first base, the second base and the two headbands are surrounded by a receiving cavity for accommodating the user's head. Since one end of each headband is fixed to the first base and the other end is slidably connected to the second base, the volume of the receiving cavity can be adjusted by sliding the headband relative to the second base, thereby adapting to the differences in head sizes of different users and improving the adaptability and comfort of wearing. Since the spatial positioning member can rotate with damping around the second direction relative to the first base, the spatial positioning member can be rotated according to the user's demand for the spatial positioning member to locate the field of vision, and it can automatically stay in the adjusted position without a large rotation of the head, which is more convenient to use. Since the display module can also rotate with damping around the second direction relative to the first base, it can be flipped according to the user's needs and automatically stay in the adjusted position, so that the user can observe the relevant images displayed by the display module (for example, when it is flipped down and blocked in front of the user), or directly observe the real space outside (for example, when it is flipped up and no longer blocked in front of the user). In summary, the device has multiple additional functions such as headband adjustment, display module flipping and space positioning part flipping. The setting of these functions enables the device to be adjusted according to user needs, making it more convenient to use and more adaptable. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of a medical near-eye display device in one embodiment of the present application.

[0024] Figure 2 This is a schematic diagram of the structure of components such as the second base and the headband assembly in one embodiment of the present application.

[0025] Figure 3 It is a partial structural schematic diagram of an adjusting component in one embodiment of the present application.

[0026] Figure 4 This is a schematic diagram of a partial structure inside the second base in one embodiment of the present application.

[0027] Figure 5 It is an exploded view of some components in the adjustment assembly in one embodiment of the present application.

[0028] Figure 6 It is an exploded view of the locking mechanism in one embodiment of the present application.

[0029] Figure 7 It is a schematic diagram of the structure of the push block, cantilever and tooth groove matching in one embodiment of the present application.

[0030] Figure 8 Schematic diagram of the structure of the gear ring, the second locking member and the gear in one embodiment of the present application.

[0031] Fig. 9 It is a schematic diagram of the structure of components such as a spatial positioning member in one embodiment of the present application.

[0032] Fig.10 It is a structural schematic diagram of a mechanism for enabling a spatial positioning member to achieve damped rotation in one embodiment of the present application.

[0033] Fig.11 It is a schematic structural diagram of components such as a display module and a first base in one embodiment of the present application.

[0034] Fig.12 It is a structural schematic diagram of a mechanism for realizing damped rotation of a display module in one embodiment of the present application.

[0035] Reference numerals:

[0036] A first base 110, a second base 120, a housing 121, a cavity 122, an air inlet 123, an air outlet 124, a head ring 130, a first ring portion 131, a second ring portion 132, and a receiving cavity 140;

[0037] Display module 210, goggles 220, second hoop 230, second rotating shaft 240, second fastener 250, sleeve 260;

[0038] The spatial positioning member 310, the fin slot 311, the first clamp 320, the first rotating shaft 330, the first fastener 340, the circuit board 350, and the encoder 360;

[0039] Knob 410, first protrusion 411, gear 420, fifth protrusion 421, rack 430, first locking member 440, push block 441, second protrusion 442, groove 443, second locking member 450, cantilever 451, slot 452, avoidance slot 453, third protrusion 454, fourth protrusion 455, gear ring 460, tooth groove 461, limit member 470, through hole 471, guide member 480;

[0040] Processor 510, heat sink fins 520, fan 530, carrier board 540;

[0041] User header 600. DETAILED DESCRIPTION

[0042] 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.

[0043] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0044] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0045] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0046] In the present application, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or similar descriptions appear, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0047] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only implementation method.

[0048] See also Figure 1 , Figure 2 and Fig.11 , a medical near-eye display device provided in an embodiment of the present application includes a frame, a headband assembly, a display module 210 and a spatial positioning member 310, wherein the frame includes a first base 110 and a second base 120 arranged at intervals along a first direction, and the headband assembly includes two headbands 130 arranged at intervals along a second direction. The two headbands 130, the first base 110 and the second base 120 enclose a receiving cavity 140 for accommodating a user's head 600, wherein the first direction intersects with the second direction. One end of each headband 130 is fixedly connected to the first base 110, and the other end is slidably connected to the second base 120. The display module 210 is used to display medical images, and the display module 210 is rotatably connected to the first base 110 so that the display module 210 can rotate relative to the first base 110 in a damped manner around the second direction. The spatial positioning member 310 is rotatably connected to the first base 110 so that the spatial positioning member 310 can rotate relative to the first base 110 in a damped manner around the second direction.

[0049] In the above-mentioned medical near-eye display device, since one end of each headband 130 is fixed to the first base 110 and the other end is slidably connected to the second base 120, the volume of the accommodating cavity 140 can be adjusted by sliding the headband 130 relative to the second base 120, thereby adapting to the difference in head size of different users and improving the adaptability and comfort of wearing. Since the spatial positioning member 310 can rotate with damping around the second direction relative to the first base 110, the spatial positioning member 310 can be rotated according to the user's demand for the positioning field of the spatial positioning member 310, and it can automatically stay in the adjusted position without significantly turning the head, which is more convenient to use. Since the display module 210 can also rotate with damping around the second direction relative to the first base 110, it can be flipped according to the user's needs and automatically stay in the adjusted position, so that the user can observe the relevant images displayed by the display module 210 (for example, when it is flipped down and blocked in front of the user), or directly observe the real space outside (for example, when it is flipped up and no longer blocked in front of the user). In summary, the device has multiple additional functions such as adjustment of the headband 130, flipping of the display module 210 and flipping of the spatial positioning member 310. The settings of these functions enable the device to be adjusted according to user needs, and the device is more convenient to use and has higher adaptability.

[0050] In some embodiments, the first direction, the second direction and the third direction are perpendicular to each other. The accommodating cavity 140 has an opening at at least one end along the third direction, and the opening is used for the user's head 600 to extend into or exit the accommodating cavity 140. Further, in the embodiment shown in the drawings, the accommodating cavity 140 has openings at both ends along the third direction.

[0051] Specifically, the medical near-eye display device is worn behind the user's head 600, that is, in the wearing state, the first direction mentioned in the embodiment of the present application is the front-to-back direction, the second direction is the left-to-right direction, and the third direction is the up-down direction. The first base 110 is located in front of the user's head 600, and the second base 120 is located in the back of the user's head 600.

[0052] In some embodiments, the first base 110 and the second base 120 are convex, as are the two headbands 130. The wall of the accommodating cavity 140 constructed by the four is roughly arc-shaped. In this way, it can better match the shape of the user's head 600 and improve the wearing fit and comfort.

[0053] See also Figure 2 and Figure 3 In some embodiments, the medical near-eye display device includes an adjustment component, which includes a knob 410, a gear 420, and two racks 430 that are meshed with the gear 420. The knob 410 is connected to the gear 420, and the two racks 430 are connected to the two head rings 130 in a one-to-one correspondence. The knob 410 is configured to be operably rotated to drive the two racks 430 to be relatively close to or away from each other in the direction of its own length.

[0054] Specifically, the adjustment assembly is installed at the second base 120, wherein the knob 410 is exposed to the shell 121 of the second base 120 so that the user can rotate it. The gear 420 and the two racks 430 are both installed in the cavity 122 constructed by the shell 121 of the second base 120. In the orientation of the wearing state, the front end of each rack 430 is fixedly connected to a corresponding headband 130, and the rear end is meshed with the gear 420. And the two racks 430 are arranged one by one at the two ends of the gear 420 along the third direction, that is, from the perspective of the attached figure, one of the racks 430 is meshed with the upper end of the gear 420, and the other rack 430 is meshed with the lower end of the gear 420. The two headbands 130 are both slidably connected to the second base 120, and both can slide into or out of the cavity 122.

[0055] When the knob 410 is rotated, the gear 420 connected thereto can be driven to rotate synchronously, and then the two racks 430 can be driven to move in the opposite direction, so that the two headbands 130 can slide into or out of the cavity 122 at the same time, thereby adjusting the size of the accommodating cavity 140. From the perspective of the attached figure, when the knob 410 is rotated clockwise, the two headbands 130 can slide into the cavity 122 at the same time, so that the headbands 130 can be tightened and the size of the accommodating cavity 140 can be reduced; when the knob 410 is rotated counterclockwise, the two headbands 130 can slide out of the cavity 122 at the same time, so that the headbands 130 can be loosened and the size of the accommodating cavity 140 can be increased.

[0056] See also Figure 3 and Figure 4 In some embodiments, a guide member 480 fixedly connected to the shell 121 is provided in the cavity 122, and the two racks 430 are confined between the guide member 480 and the inner wall of the shell 121 to guide the movement of the racks 430, suppress the shaking and position displacement of the racks 430 along the first direction during the movement, and improve the stability of its movement.

[0057] Specifically, the guide member 480 and the housing 121 are fixedly connected by threaded fasteners. In the wearing state, the two racks 430 are restricted between the guide member 480 and the front inner wall of the housing 121.

[0058] In some embodiments, some cables for connecting the electrical components in the first base 110 and the second base 120 are also routed between the guide member 480 and the inner wall of the housing 121, and these cables are fixed on the guide member 480. In this way, the cable routing can be more regular and less prone to entanglement.

[0059] Preferably, the guide member 480 is hollowed out to reduce weight, alleviate the wearing burden of the user, and improve wearing comfort.

[0060] See also Figure 3 and Figure 4 In some embodiments, the adjustment assembly further includes a locking mechanism. When the gear 420 rotates forward, the two racks 430 are relatively close to each other in their own length direction. When the gear 420 rotates reversely, the two racks 430 are relatively far away from each other in their own length direction. When the knob 410 is in an unrotated state, the locking mechanism can inhibit the gear 420 from rotating reversely.

[0061] Specifically, the positive rotation of the gear 420 is the aforementioned clockwise rotation, and the reverse rotation is the aforementioned counterclockwise rotation. When the knob 410 is not rotated, the locking mechanism can inhibit the counterclockwise rotation of the gear 420, thereby inhibiting the two racks 430 from moving relatively apart in their own length direction, thereby inhibiting the headband 130 from loosening. In this way, the headband 130 can have a self-locking function, and the headband 130 will not loosen and fall off due to accidental pulling during the user's wearing process, and the wearing stability and safety are higher.

[0062] See also Figures 5 to 8 In some embodiments, the locking mechanism includes a first locking member 440, a second locking member 450, and a gear ring 460 having a plurality of teeth on its inner wall, and a tooth groove 461 is formed between two adjacent teeth. The second locking member 450 is located in the gear ring 460 and connected to the gear 420, and the first locking member 440 is connected to the knob 410. The second locking member 450 includes a cantilever 451, and the free end of the cantilever 451 is engaged in the tooth groove 461 to inhibit the gear 420 from rotating in the opposite direction when the knob 410 is not rotated. When the knob 410 rotates forward, the first locking member 440 drives the second locking member 450 to rotate synchronously, the free end of the cantilever 451 is deformed to slide from one tooth groove 461 into the adjacent tooth groove 461, and the gear 420 rotates forward synchronously with the second locking member 450; when the knob 410 rotates reversely, the free end of the cantilever 451 is deformed under the support of the first locking member 440 to disengage from the tooth groove 461, and the gear 420 can rotate reversely.

[0063] Specifically, if the locking mechanism is not provided, when the head ring 130 is pulled to slide out of the second base 120, the rack 430 connected to the head ring 130 slides accordingly, thereby driving the gear 420 to rotate counterclockwise. In this embodiment, since the locking mechanism is provided, when the knob 410 is not rotated, if one wants to pull the head ring 130 to slide out of the second base 120, the free end of the cantilever 451 abuts against the groove wall of the tooth groove 461, which will inhibit the counterclockwise rotation of the second locking member 450, and then inhibit the counterclockwise rotation of the gear 420 connected thereto, so that the rack 430 can be inhibited from sliding out of the second base 120, thereby achieving self-locking.

[0064] When the knob 410 rotates forward (clockwise), the first locking member 440 rotates synchronously therewith, thereby pushing the second locking member 450 to rotate synchronously. During this process, the free end of the cantilever 451 is held by the teeth of the gear ring 460 and deformed, and enters the tooth groove 461 adjacent to the clockwise side of the tooth groove 461. The knob 410 rotates forward continuously, and the free end of the cantilever 451 will continuously jump from one tooth groove 461 to the tooth groove 461 adjacent to the clockwise side thereof in the above manner, and the gear 420 rotates synchronously with the second locking member 450 to achieve the tightening of the head ring 130. Until the knob 410 stops rotating, the free end of the cantilever 451 will stay in the tooth groove 461 that it enters last. When the knob 410 rotates in the reverse direction (counterclockwise), the free end of the cantilever 451 is deformed in the direction away from the tooth groove 461 under the support of the first locking member 440, thereby slipping out of the tooth groove 461. At this time, the free end of the cantilever 451 no longer abuts against the groove wall of the tooth groove 461, and the reverse rotation of the second locking member 450 and the gear 420 is not restricted. In addition, during the reverse rotation process, the first locking member 440 will push the second locking member 450 to rotate in the reverse direction synchronously by abutting against the cantilever 451, thereby driving the gear 420 to rotate in the reverse direction, thereby achieving the loosening of the headband 130.

[0065] See also Figures 5 to 7 Furthermore, in some embodiments, the first locking member 440 includes a pushing block 441, and the second locking member 450 is provided with a slot 452 located on one side of the cantilever 451, and an avoidance slot 453 located on the other side of the cantilever 451, and the pushing block 441 extends into the slot 452; when the knob 410 rotates forward, one end of the pushing block 441 abuts against the slot wall of the slot 452 to push the second locking member 450 to rotate synchronously; when the knob 410 rotates reversely, the other end of the pushing block 441 abuts against the cantilever 451, so that the free end of the cantilever 451 avoids the avoidance slot 453 and escapes from the tooth groove 461.

[0066] Specifically, in Figure 8 In the perspective shown, when the knob 410 rotates forward, the first locking member 440 rotates synchronously therewith, and the right end wall of the push block 441 abuts against the right end wall of the slot 452, thereby pushing the second locking member 450 to rotate synchronously. When the knob 410 rotates reversely, the left end of the push block 441 abuts against the free end of the cantilever 451, pressing it into the avoidance slot 453, thereby disengaging from the tooth slot 461.

[0067] In some embodiments, the outer wall of the push block 441 is in an arc shape, and the arc surface is coaxial with the gear 420 and the second locking member 450. In this way, during the reverse rotation of the push block 441, it will not collide with the teeth on the inner wall of the gear ring 460. At this time, the left end of the push block 441 is in a sharp angle, which makes it easier to press the free end of the cantilever 451 into the avoidance groove 453.

[0068] See also Figures 5 to 7 In some embodiments, the first locking member 440 includes a plurality of push blocks 441 arranged at intervals along its own circumference, and the second locking member 450 includes a plurality of cantilevers 451 arranged at intervals along its own circumference, and each cantilever 451 has a slot 452 on one side and an avoidance groove 453 on the other side, and each push block 441 extends into a slot 452.

[0069] Specifically, in the embodiment shown in the drawings, there are three sets of matching push blocks 441, cantilever arms 451, slots 452 and avoidance slots 453, and the central angle between each set is 120 degrees. By evenly arranging multiple sets of the above structures, the structural stability and motion stability of the locking mechanism can be improved.

[0070] See also Figure 5 and Figure 8 In some embodiments, the first locking member 440 is plugged into the knob 410 so that the first locking member 440 can rotate synchronously with the knob 410. The second locking member 450 is plugged into the gear 420 so that the gear 420 can rotate synchronously with the second locking member 450.

[0071] Specifically, a protruding first protrusion 411 is provided on the knob 410, and a protruding second protrusion 442 is provided at a corresponding position on the first locking member 440. The second protrusion 442 is inserted into a slot provided on the first protrusion 411. Both the second protrusion 442 and the slot are non-circular, so that the two can rotate synchronously. A protruding fourth protrusion 455 is provided on the second locking member 450, and a protruding fifth protrusion 421 is provided at a corresponding position on the gear 420. The fifth protrusion 421 is inserted into a slot provided on the fourth protrusion 455. Both the fifth protrusion 421 and the slot are non-circular, so that the two can rotate synchronously, and the fifth protrusion 421 and the fourth protrusion 455 are also fixed by screws. The protruding structure and the slot structure in the above structure can be interchangeable, or the two components that achieve synchronous rotation can be directly fixedly connected.

[0072] Furthermore, a stopper 470 is provided inside the knob 410, and the stopper 470 is fixedly connected to the aforementioned guide member 480. The stopper 470 is provided with a through hole 471, and the second protrusion 442 passes through the through hole 471 and is inserted into a slot provided on the first protrusion 411. The stopper 470 can limit the first locking member 440, the second locking member 450 and other components inside it along the first direction, and prevent them from being offset in the direction.

[0073] See also Figure 5 and Figure 6Preferably, the second locking member 450 is provided with a protruding third protrusion 454, and the first locking member 440 is provided with a concave groove 443, and the third protrusion 454 is inserted into the groove 443 to improve the stability of the two when they rotate synchronously.

[0074] See also Fig. 9 and Fig.10 In some embodiments, the medical near-eye display device includes a first clamp 320, a first fastener 340 and a first rotating shaft 330 extending along the second direction, one of the first clamp 320 and the first rotating shaft 330 is connected to the spatial positioning member 310, and the other of the first clamp 320 and the first rotating shaft 330 is connected to the first base 110. The first clamp 320 is sleeved on the outside of the first rotating shaft 330, and the first fastener 340 is used to lock the first clamp 320 so that the first clamp 320 abuts against the first rotating shaft 330.

[0075] Specifically, the spatial positioning member 310 is an infrared camera, which can realize the positioning of surgical instruments and the like through the binocular positioning principle. In the embodiment shown in the accompanying drawings, the spatial positioning member 310 is fixedly connected to the first clamp 320, the first base 110 is fixedly connected to the first rotating shaft 330, and the first fastener 340 is a screw. By the first clamp 320 holding the first rotating shaft 330 tightly, the damped rotation of the spatial positioning member 310 relative to the first base 110 can be realized, so that the position of the spatial positioning member 310 can be adjusted and can stay at the adjusted angle. By adjusting the tightening degree of the first fastener 340, the resistance to the rotation of the spatial positioning member 310 relative to the first base 110 can be adjusted.

[0076] See also Fig. 9 and Fig.10 In the first base 110, a circuit board 350 is also provided which is connected to the space positioning member 310 for communication, and an encoder 360 which is connected to the circuit board 350 for communication. The encoder 360 can detect the angle of rotation of the space positioning member 310. The outer shell of the space positioning member 310 is made of aluminum alloy to have better heat dissipation performance. Fin grooves 311 are also provided on the outer shell of the space positioning member 310 to further accelerate heat dissipation and improve the comfort of the user's hand when touching this area. A copper foil is also attached to the inner wall of the outer shell of the space positioning member 310, which has the effect of uniform temperature, and by detecting the change in the capacitance value between the user's hand and its copper foil, it can be detected whether the user touches the area. When the user needs to rotate the space positioning member 310, once a touch action occurs, it can be detected in the above manner.

[0077] See also Fig.11 and Fig.12In some embodiments, the medical near-eye display device includes a second clamp 230, a second fastener 250 and a second rotating shaft 240 extending along a second direction, one of the second clamp 230 and the second rotating shaft 240 is connected to the display module 210, and the other of the second clamp 230 and the second rotating shaft 240 is connected to the first base 110. The second clamp 230 is sleeved on the outside of the second rotating shaft 240, and the second fastener 250 is used to lock the second clamp 230 so that the second clamp 230 abuts against the second rotating shaft 240.

[0078] Specifically, in the embodiment shown in the drawings, the second clamp 230 is connected to the display module 210, the second rotating shaft 240 is connected to the first base 110, and the second fastener 250 is a screw. By the second clamp 230 holding the second rotating shaft 240 tightly, the damped rotation of the display module 210 relative to the first base 110 can be achieved, so that the position of the display module 210 can be adjusted and can stay at the adjusted angle. By adjusting the tightening degree of the second fastener 250, the resistance to the rotation of the display module 210 relative to the first base 110 can be adjusted.

[0079] More specifically, two second hoops 230 are arranged at intervals along the second direction, and a sleeve 260 extending along the second direction is provided between the two second hoops 230, and the sleeve 260 is fixedly connected to the first base 110. The second hoops 230 are fixedly connected to the display module 210, and a second rotating shaft 240 is inserted into each second hoops 230, and the second rotating shaft 240 extends into the sleeve 260 and the two are connected. The cross-sections of the second rotating shaft 240 and the sleeve 260 are both special-shaped, and the shapes and sizes match so that the two cannot rotate relative to each other. In this way, the damped rotation of the second hoops 230 around the second rotating shaft 240 can be achieved. In this embodiment, by providing two sets of matching second hoops 230 and second rotating shafts 240, the stability of the damped rotation of the display module 210 can be improved.

[0080] The first base 110 is also connected with goggles 220, which can protect the eyes of the wearer. The goggles 220 are made of PC material, and the surface is hardened and then coated to reduce the transmittance of ambient light, so that the transmittance is maintained between 35% and 65%, thereby reducing the visual fatigue of the user. In addition, a microphone can also be installed on the first base 110.

[0081] See also Figure 2 and Figure 4In some embodiments, the second base 120 includes a shell 121, the shell 121 has a cavity 122 inside, the shell 121 is provided with an air inlet 123 and an air outlet 124 connected to the cavity 122, the cavity 122 is provided with a processor 510, heat sink fins 520 and a fan 530, the processor 510 is connected to the heat sink fins 520, and the fan 530 is used to suck in air through the air inlet 123 and discharge it through the air outlet 124.

[0082] Specifically, a carrier board 540 fixedly connected to the housing 121 is provided in the cavity 122, and components such as a processor 510, a heat sink fin 520 and a fan 530 are fixedly mounted on the carrier board 540. The processor 510 includes a core board equipped with a chip, which can realize data processing and calculation of the display module 210 and the spatial positioning member 310. The processor 510 generates a large amount of heat when working, and the heat can be conducted to the heat sink fin 520, and dissipated to the housing 121, and finally dissipated to the external environment. At the same time, the fan 530 draws the low-temperature airflow of the external environment into the cavity 122, and takes away the heat in the cavity 122 and discharges it from the air outlet 124, thereby accelerating the heat dissipation and preventing the processor 510 from overheating and malfunctioning. Preferably, a thermal pad is connected between the processor 510 and the heat sink fin 520 to accelerate the heat transfer between the two and improve the heat dissipation efficiency.

[0083] See also Figure 2 In some embodiments, a sensor for detecting the brain in place state is provided on one side of the headband 130 close to the accommodating cavity 140 .

[0084] Specifically, the sensing element is a photoelectric switch. When the user wears the device and his head blocks the sensing element, the sensing element can detect that the user is currently in the brain-in-place state. A speaker is also installed in the headband 130, which is close to the user's ear, so that the user can hear the sound more clearly.

[0085] See also Figure 2 In some embodiments, the size of the end of the headband 130 connected to the first base 110 is larger than the size of the end connected to the second base 120 .

[0086] Specifically, the headband 130 includes a first ring portion 131 and a second ring portion 132 that are interlocked, an end of the second ring portion 132 that is away from the first ring portion 131 extends into the second base 120 and is fixedly connected to the rack 430, and an end of the first ring portion 131 that is away from the second ring portion 132 is fixedly connected to the first base 110. The aforementioned sensor and speaker are both installed on the first ring portion 131. The size of the end of the first ring portion 131 that is away from the second ring portion 132 is set larger, so that there is enough space to install components such as the sensor and the speaker. The size of the end of the second ring portion 132 that is away from the first ring portion 131 is set smaller, so that the area on the headband 130 close to the second base 120 can be easier to bend, thereby making it easier to enter the second base 120.

[0087] See also Figure 1 and Figure 2 In some embodiments, a buffer is provided on one side of the second base 120 close to the accommodating cavity 140 .

[0088] Specifically, the buffer member includes a buffer portion and a fixed portion, which are fixedly connected. The fixed portion is made of nylon, and is located on a side wall of the housing 121 close to the accommodating cavity 140, and is fixed to the housing 121 by a hook. The buffer portion is attached to the side of the fixed portion away from the housing 121, and is made of a material such as sponge or foam, which can protect the user's head and improve wearing comfort.

[0089] 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.

[0090] 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 medical near-eye display device, characterized in that: The medical near-eye display device comprises: A frame, comprising a first base (110) and a second base (120) arranged at intervals along a first direction; A headband assembly, comprising two headbands (130) arranged at intervals along a second direction, wherein the two headbands (130), the first base (110) and the second base (120) enclose a receiving cavity (140) for receiving a user's head (600), wherein the first direction intersects with the second direction; One end of each head ring (130) is fixedly connected to the first base (110), and the other end is slidably connected to the second base (120); A display module (210) for displaying medical images, the display module (210) being rotatably connected to the first base (110) so that the display module (210) can rotate relative to the first base (110) in a damped manner around the second direction; and The spatial positioning member (310) is rotatably connected to the first base (110) so that the spatial positioning member (310) can rotate relative to the first base (110) in a damped manner around the second direction.

2. The medical near-eye display device according to claim 1, characterized in that: The medical near-eye display device includes an adjustment component, which includes a knob (410), a gear (420), and two racks (430) that are meshed with the gear (420). The knob (410) is connected to the gear (420), and the two racks (430) are connected to the two head rings (130) in a one-to-one correspondence. The knob (410) is configured to be operably rotated to drive the two racks (430) to be relatively close to or away from each other in the direction of its own length.

3. The medical near-eye display device according to claim 2, characterized in that: The adjustment assembly also includes a locking mechanism. When the gear (420) rotates in the forward direction, the two racks (430) are relatively close to each other in the direction of their own length. When the gear (420) rotates in the reverse direction, the two racks (430) are relatively far away from each other in the direction of their own length. When the knob (410) is in a non-rotated state, the locking mechanism can inhibit the gear (420) from rotating in the reverse direction.

4. The medical near-eye display device according to claim 3, characterized in that: The locking mechanism comprises a first locking member (440), a second locking member (450), and a tooth ring (460) with a plurality of teeth on the inner wall, a tooth groove (461) being constructed between two adjacent teeth, the second locking member (450) being located in the tooth ring (460) and connected to the gear (420), the first locking member (440) being connected to the knob (410), the second locking member (450) comprising a cantilever (451), the free end of the cantilever (451) being engaged in the tooth groove (461) so as to inhibit the gear (420) from rotating in the opposite direction when the knob (410) is in the non-rotated state; When the knob (410) rotates forward, the first locking member (440) drives the second locking member (450) to rotate synchronously, and the free end is deformed to slide from one tooth groove (461) into an adjacent tooth groove (461), and the gear (420) rotates forward synchronously with the second locking member (450); when the knob (410) rotates reversely, the free end is deformed under the support of the first locking member (440) to escape from the tooth groove (461), and the gear (420) can rotate reversely.

5. The medical near-eye display device according to claim 4, characterized in that: The first locking member (440) comprises a pushing block (441); the second locking member (450) is provided with a slot (452) located on one side of the cantilever (451), and an avoidance slot (453) located on the other side of the cantilever (451); the pushing block (441) extends into the slot (452); when the knob (410) rotates forward, one end of the pushing block (441) abuts against the slot wall of the slot (452) to push the second locking member (450) to rotate synchronously; when the knob (410) rotates reversely, the other end of the pushing block (441) abuts against the cantilever (451) to make the free end avoid the avoidance slot (453) and escape from the tooth groove (461).

6. The medical near-eye display device according to claim 5, characterized in that: The first locking member (440) includes a plurality of pushing blocks (441) arranged at intervals along its own circumference, and the second locking member (450) includes a plurality of cantilevers (451) arranged at intervals along its own circumference, and each of the cantilevers (451) is provided with a slot (452) on one side and an avoidance groove (453) on the other side, and each of the pushing blocks (441) extends into one of the slots (452).

7. The medical near-eye display device according to any one of claims 1 to 6, characterized in that: The medical near-eye display device comprises a first clamp (320), a first fastener (340) and a first rotating shaft (330) extending along the second direction, one of the first clamp (320) and the first rotating shaft (330) is connected to the spatial positioning member (310), the other of the first clamp (320) and the first rotating shaft (330) is connected to the first base (110), the first clamp (320) is sleeved on the outside of the first rotating shaft (330), and the first fastener (340) is used to lock the first clamp (320) so that the first clamp (320) abuts against the first rotating shaft (330).

8. The medical near-eye display device according to any one of claims 1 to 6, characterized in that: The medical near-eye display device comprises a second clamp (230), a second fastener (250) and a second rotating shaft (240) extending along the second direction, one of the second clamp (230) and the second rotating shaft (240) is connected to the display module (210), the other of the second clamp (230) and the second rotating shaft (240) is connected to the first base (110), the second clamp (230) is sleeved on the outside of the second rotating shaft (240), and the second fastener (250) is used to lock the second clamp (230) so that the second clamp (230) abuts against the second rotating shaft (240).

9. The medical near-eye display device according to any one of claims 1 to 6, characterized in that: The second base (120) comprises a shell (121), the shell (121) has a cavity (122) inside, the shell (121) is provided with an air inlet (123) and an air outlet (124) connected to the cavity (122), the cavity (122) is provided with a processor (510), a heat sink fin (520) and a fan (530), the processor (510) is connected to the heat sink fin (520), and the fan (530) is used to suck air into the air through the air inlet (123) and discharge it through the air outlet (124).

10. The medical near-eye display device according to any one of claims 1 to 6, characterized in that: The size of the end of the head ring (130) connected to the first base (110) is greater than the size of the end connected to the second base (120).

11. The medical near-eye display device according to any one of claims 1 to 6, characterized in that: A sensing component for detecting the brain in-place status is provided on one side of the head ring (130) close to the accommodating cavity (140).

12. The medical near-eye display device according to any one of claims 1 to 6, characterized in that: A buffer is provided on one side of the second base (120) close to the accommodating cavity (140).

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