CN206671700U - Vision auxiliary equipment - Google Patents
Vision auxiliary equipment Download PDFInfo
- Publication number
- CN206671700U CN206671700U CN201720248295.3U CN201720248295U CN206671700U CN 206671700 U CN206671700 U CN 206671700U CN 201720248295 U CN201720248295 U CN 201720248295U CN 206671700 U CN206671700 U CN 206671700U
- Authority
- CN
- China
- Prior art keywords
- lens
- lens devices
- eyeglass
- user
- support meanss
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000004438 eyesight Effects 0.000 title claims abstract description 41
- 230000003287 optical effect Effects 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 8
- 210000005069 ears Anatomy 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 240000006409 Acacia auriculiformis Species 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001815 facial effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000004382 visual function Effects 0.000 description 1
Abstract
The utility model discloses a kind of vision auxiliary equipment, including：Lens devices, for visually amplifying or/and reducing object so that user is observed object；Support meanss, for supporting lens devices so that lens devices are located at the front of user's face；Wherein, support meanss include：Eyeglass, it is made of clear material；Lens devices include：Lens, there is a primary optical axis；Lens devices are rotatably connected to eyeglass, and the primary optical axis of lens tilts with lens devices with the pivot center that eyeglass relatively rotates to intersect.It is of the present utility model to be beneficial in that：A kind of vision auxiliary equipment that can be adjusted according to the needs of user is provided.
Description
Technical field
It the utility model is related to a kind of equipment for helping user to improve visual capacity, and in particular to a kind of vision auxiliary is set
It is standby.
Background technology
The application scenarios of accurate operation are needed in surgical operation etc., user needs to wear auxiliary equipment to help to strengthen vision
Ability is to complete the operation of corresponding precision.
Existing vision auxiliary equipment function is more single, and can not be adjusted according to the situation of user itself.
Utility model content
A kind of vision auxiliary equipment, including：
First supporting leg, for making vision auxiliary equipment be supported by the left ear of user；
Second supporting leg, for making vision auxiliary equipment be supported by the auris dextra of user；
Nose support, for making vision auxiliary equipment be supported by the nose of user；
It is characterized in that：
Vision auxiliary equipment also includes：
First lens devices, object is entered for the left eye of user for visually amplifying or/and reducing object
Row observation；
Second lens devices, object is entered for the right eye of user for visually amplifying or/and reducing object
Row observation；
First support meanss, for supporting the first lens devices so that the first lens devices are located in front of user's face；
Second support meanss, for supporting the second lens devices so that the second lens devices are located in front of user's face；
Wherein, the first lens devices are rotatably connected to the first support meanss, and the second lens devices are rotatably coupled
To the second support meanss；First supporting leg is rotatablely connected to the first support meanss；Second supporting leg is rotatablely connected to the second support
Device；Nose support forms with the first support meanss and the second support meanss connect and be located at the first lens devices and the second lens respectively
Between device.
Further, the first lens devices include：
First lens, there is a primary optical axis；
Wherein, the pivot center that the primary optical axis of the first lens relatively rotates with the first lens devices with the first support meanss inclines
Monoclinic phase is handed over.
Further, the second lens devices include：
Second lens, there is a primary optical axis；
Wherein, the pivot center that the primary optical axis of the second lens relatively rotates with the second lens devices with the second support meanss inclines
Monoclinic phase is handed over.
Further, the first support meanss include：
First eyeglass, is made of clear material；
First picture frame, for supporting eyeglass；
First lens devices pass through the first eyeglass, and the first picture frame is respectively connecting to the first supporting leg and nose support.
Further, the first lens devices have relative both ends and the first lens devices include：
First eyepiece, the first lens devices are arranged on close to one end of user；
First object lens, it is arranged on the other end of first lens devices away from user.
First eyepiece and the first object lens are located at the both sides of the first eyeglass respectively.
Further, the first lens devices also include：
First lens barrel, formed with the first barrel chamber extended along first axle；
First guide holder, it is arranged on the outside of the first lens barrel；
First eyepiece and the first object lens are mounted respectively to the first lens barrel；First guide holder is provided with leading for the insertion of the first eyeglass
To groove so that the first lens devices relative to the first eyeglass rotate when the first axle of pivot center and the first barrel chamber tilt and intersect.
Further, the second support meanss include：
Second eyeglass, is made of clear material；
Second picture frame, for supporting eyeglass；
Second lens devices pass through the second eyeglass, and the second picture frame is respectively connecting to the second supporting leg and nose support.
Further, the second lens devices have relative both ends and the second lens devices include：
Second eyepiece, the second lens devices are arranged on close to one end of user；
Second object lens, it is arranged on the other end of second lens devices away from user.
Second eyepiece and the second object lens are located at the both sides of the second eyeglass respectively.
Further, the second lens devices also include：
Second lens barrel, formed with the second barrel chamber extended along second axis；
Second guide holder, it is arranged on the outside of the second lens barrel；
Second eyepiece and the second object lens are mounted respectively to the second lens barrel；Second guide holder is provided with leading for the insertion of the second eyeglass
To groove so that the second lens devices relative to the second eyeglass rotate when the second axis of pivot center and the second barrel chamber tilt and intersect.
A kind of vision auxiliary equipment, including：
Lens devices, for visually amplifying or/and reducing object so that user is observed object；
Support meanss, for supporting lens devices so that lens devices are located at the front of user's face；
Wherein, support meanss include：Eyeglass, it is made of clear material；Lens devices include：Lens, there is a key light
Axle；Lens devices are rotatably connected to eyeglass, primary optical axis and the lens devices and the pivot center of eyeglass relative rotation of lens
Tilt intersecting.
It is of the present utility model to be beneficial in that：
A kind of vision auxiliary equipment that can be adjusted according to the needs of user is provided.
Brief description of the drawings
Fig. 1 is the structural representation of one preferred embodiment of vision auxiliary equipment of the present utility model；
Fig. 2 is structural representation of the vision auxiliary equipment shown in Fig. 1 from another visual angle；
Fig. 3 is the dimensional structure diagram of a preferred embodiment of lens devices；
Fig. 4 is the planar structure schematic diagram of the lens devices shown in Fig. 3；
Fig. 5 is lens devices another planar structure schematic diagram shown in Fig. 3.
Embodiment
As depicted in figs. 1 and 2, vision auxiliary equipment 100 includes：First supporting leg 101, the second supporting leg 102, and nose
Support 103.
Wherein, the first supporting leg 101 is used to make vision auxiliary equipment be supported by the left ear of user；Second supporting leg 102
For making vision auxiliary equipment be supported by the auris dextra of user；Nose support 103 is used to make vision auxiliary equipment by the nose institute of user
Support.For user when wearing vision auxiliary equipment 100, the first supporting leg 101 and the second supporting leg 102 are supported on user respectively
Ears on, while the and can of nose support 103 makes vision auxiliary equipment 100 obtain the 3rd more reliably strong point, such one
Come, by the first supporting leg 101, the second supporting leg 102, and the user of nose support 103 effectively can support vision auxiliary equipment 100
In face.
Again as depicted in figs. 1 and 2, vision auxiliary equipment 100 also includes：First lens devices 10, the second lens devices 20,
First support meanss 30 and the second support meanss 40.
Wherein, the first lens devices 10 are by some optical elements, so as to visually amplified by optical principle or/
Object is observed for the left eye of user with object is reduced；Correspondingly, the first lens devices 20 pass through some optics
Element, object is carried out for the right eye of user so as to visually amplify or/and reduce object by optical principle
Observation.
First support meanss 30 are used to support the first lens devices 10 so that the first lens devices 10 are located at a user's face left side
Front；Second support meanss 40 are used for before supporting the second lens devices 20 so that the second lens devices 20 are located at the user's face right side
Side.
First lens devices 10 are connected to the first support meanss 30, and the second lens devices 20 are connected to the second support meanss
40；First supporting leg 101 is rotatablely connected to the first support meanss 30；Second supporting leg 102 is rotatablely connected to the second support meanss
40；Nose support 103 formed respectively with the first support meanss 30 and the second support meanss 40 connect and positioned at the first lens devices 10 and
Between second lens devices 20.The adjustable activity of relative position is formed between first support meanss 30 and the second support meanss 40 even
Connect and allow a user to adjust the distance between the first lens devices 10 and the second lens devices 20.So, user can root
According to the interpupillary distance of oneself, facial width or the relative position of operating habit the first support meanss 30 of adjustment and the second support meanss 40
Put.
First support meanss 30 and the second support meanss 40, which are at least formed, to be slidably connected.As one of which embodiment,
First support meanss 30 and the second support meanss 40, which are formed, to be slidably connected, and the first support meanss 30 and the second support meanss 40 are relative
The pivot center a that the direction s of slip relatively rotates perpendicular to the first supporting leg 101 and the first support meanss 30.As optional side
The pivot center a and the first supporting leg 101 and the first support that case, the first supporting leg 101 and the first support meanss 30 relatively rotate
The pivot center b that device 30 relatively rotates be arranged in parallel；So the first support meanss 30 and the second support meanss 40 are relatively sliding
The pivot center b that dynamic direction s is also perpendicularly to the first supporting leg 101 and the first support meanss 30 relatively rotate.As shown in Figure 2,
First support meanss 30 and the 40 relative direction s slided of the second support meanss fill parallel to the first supporting leg 101 and the first support
Put pivot center a and the pivot center b places of the second supporting leg 102 and the relative rotation of the second support meanss 40 of 30 relative rotations
Plane α.
Specifically, the first support meanss 30 include：First eyeglass 31 and the first picture frame 32.Wherein the first eyeglass 31 is by saturating
Bright material is made, and it acts on the eyeglass similar to glasses, and user can pass through the object in the first eyeglass 31 observation front.The
One picture frame 32 is used to support the first eyeglass 31 and make it form with the first supporting leg, the support meanss 40 of nose support 103 and second to connect
Connect.Similar, the second support meanss 40 include：Second eyeglass 41 and the second picture frame 42.As depicted in figs. 1 and 2, the first support
The structure that the support meanss 40 of device 30 and second are formed by the first picture frame 32 and the second picture frame 42 is formed and is slidably connected.First
Picture frame 32 is formed with the first slot 321 and the first cartridge part 322, and the second picture frame 42 is formed with the second slot 421 and the second inserting
Portion 422, the first cartridge part 322 are inserted into the second slot 421, and the second cartridge part 422 is inserted into the first slot 321, so as to
Realization is slidably connected；Meanwhile first cartridge part 322 and the second cartridge part 422 be respectively formed with the engraved structure that can be overlapped
322a and 422a, some screws 104 can be set to pass through engraved structure 322a and 422a, then by locking corresponding spiral shell in heteropleural
Mother 105 realizes the locking to being slidably connected.
It should be noted that realize that the mode being slidably connected has a lot, while the mode that locking is slidably connected also has a lot,
Way of example above should not limit the protection domain of the application.
As shown in Figures 1 to 5, the first lens devices 10 and the first support meanss 30, which are formed, is rotatablely connected, the second lens dress
Put 20 and second support meanss 40 form be rotatablely connected.
Specifically, the first lens devices 10 are rotatablely connected to the first eyeglass 31, the second lens devices 20 be rotatablely connected to
Second eyeglass 41.
The pivot center c and the vision of the first lens devices 10 that first lens devices 10 and the first eyeglass 31 relatively rotate
Direction is not parallel.Specifically, in order to realize the visual function of zooming in or out, the first lens devices 10 are at least
Including first lens, first lens are probably convex lens, also can concavees lens, or other have primary optical axis d optics
Element.Make the first lens devices 10 tilt with the pivot center c that the first eyeglass 31 relatively rotates and primary optical axis d to intersect, so exist
First lens devices 10 relative to the first eyeglass 31 rotate when, primary optical axis d direction is also changed, and so user can be with
The first lens devices 10 are rotated as needed so as to obtain required viewing angle, and this can utilize user to extend visual range simultaneously
More convenient object observing thing, for example when user needs to observe the relatively low target in position, (be likely to result in without significantly bowing
Fatigue and visual apparatus come off), it is only necessary to rotate the first lens devices 10 so that the primary optical axis d of the first lens devices 10 to
Lower inclination, the first lens devices 10 are rotated equivalent to the direction that change user suitably observes.
As shown in Figures 3 to 5, more specifically, lens devices 50 include：Eyepiece 51, object lens 52, lens barrel 53 and guide holder
54.Lens indicated above can be eyepiece 51 or be object lens 52, naturally it is also possible to be between eyepiece 51 and object lens 52
Other optical lenses.
Lens devices 50 are provided with relative both ends, wherein, eyepiece 51 is disposed in proximity to one end of user, and object lens 52 are set
In one end away from user, they are located at the both sides of eyeglass respectively.Optionally, object lens 52 are convex lens, eyepiece 51
With object lens 52 centered on the primary optical axis e of object lens 52 symmetry axis.Lens barrel 53 is mainly used in installing optical element, the shape of lens barrel 53
Into there is barrel chamber (not shown), the border of barrel chamber limits the visual range of user, and barrel chamber extends approximately along an axis, cylinder
Chamber is a revolution body cavity using axis as axle, and in the scheme shown in Fig. 1 and Fig. 2, the axis of barrel chamber coincides with primary optical axis e.
Guide holder 54 is sleeved on the outside of lens barrel 53 as shown in Figures 3 to 5, and guide holder 54 is provided with what is be embedded for eyeglass
Guide groove 541, the guide groove 541 is around the periphery of whole guide holder 54, when eyeglass is embedded in guide groove 541, the side of guide groove 541
To making pivot center f of the lens devices 50 when being rotated relative to eyeglass and primary optical axis e (symmetry axis of light element, cylinder in other words
The extension axis of chamber) it is to tilt to intersect.
Specifically, as shown in Figures 3 to 5, guide groove 541 forms specular, guide groove relative to a split β
541 are suitable to what primary optical axis e inclinations were intersected in projecting for split β.
First lens devices 10 and the second lens devices 20 can use the lens devices shown in Fig. 3 to Fig. 5.
Lateral adjustments (left and right directions) between first support meanss 30 and the second support meanss 40 can make the utility model
Vision auxiliary equipment 100 adapt to the interpupillary distance that different users has differences；Meanwhile first lens devices 10 and the second lens dress
Put 20 rotation regulation and allow users to observe the object of different distance different angle, user both can individually carry out transverse direction
Regulation or angular adjustment, can also be needed according to oneself comprehensive adjustment they with obtain needed for visual effect.
As shown in figure 1, the first picture frame 32 is provided with interpupillary distance regulation scale 323, the second picture frame 42 is provided with interpupillary distance regulation pointer
423, when user adjusts the first picture frame 32 and the second 42 relative position of picture frame again, pointer 423 can be adjusted according to interpupillary distance to interpupillary distance
The regulation instruction of scale 323 is adjusted.It should be noted that interpupillary distance regulation pointer 423 and interpupillary distance regulation scale 323 position
It can exchange, or be arranged on the position shown in other non-Fig. 1, but preferably, they should be arranged on user side
Just the place observed, the position shown in Fig. 1 are more suitable position.
Again as shown in figure 1, the second lens devices 20 are provided with angular adjustment scale 20a, the second of the second support meanss 40
Eyeglass 41 is provided with angular adjustment pointer 41a, and user can be according to instructions of the angular adjustment pointer 41a to angular adjustment scale 20a
Carry out angular adjustment.Certainly, the first lens devices 10 and the first eyeglass 31 can also be provided with similar structures.
Scale and pointer is set to be advantageous in that：
(1) when user knows oneself interpupillary distance or visual angle, user can according to scale and instruction quickly enter row distance or
Angle adjustment, then wearing and then be finely adjusted according to the actual effect of vision, it is convenient and swift.
(2) when the long-term use of a certain fixed interpupillary distance of user or visual angle, scale is write down, just in case mistuning interpupillary distance or visual angle,
It can be resetted quickly.
(3) different user is in use, each user can remember the calibration parameters of oneself, so that of the present utility model regard
Feel that auxiliary equipment has stronger versatility, be more convenient multiple clients and use.
(4) distance and angular adjustment provided by the utility model is added operability, enhance the manipulation of user
Sense and the accuracy of operation, substantially improve user experience.
General principle, principal character and advantage of the present utility model has been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
The technical scheme obtained, all falls within the scope of protection of the utility model.
Claims (10)
1. a kind of vision auxiliary equipment, including：
First supporting leg, for making the vision auxiliary equipment be supported by the left ear of user；
Second supporting leg, for making the vision auxiliary equipment be supported by the auris dextra of user；
Nose support, for making the vision auxiliary equipment be supported by the nose of user；
It is characterized in that：
The vision auxiliary equipment also includes：
First lens devices, object is seen for the left eye of user for visually amplifying or/and reducing object
Examine；
Second lens devices, object is seen for the right eye of user for visually amplifying or/and reducing object
Examine；
First support meanss, before supporting first lens devices so that first lens devices are located at user's face
Side；
Second support meanss, before supporting second lens devices so that second lens devices are located at user's face
Side；
Wherein, first lens devices are rotatably connected to first support meanss, and second lens devices can turn
Second support meanss are connected to dynamicly；First supporting leg is rotatablely connected to first support meanss；Described second
Supporting leg is rotatablely connected to second support meanss；The nose support respectively with first support meanss and the second support meanss
Form connection and between first lens devices and second lens devices.
2. vision auxiliary equipment according to claim 1, it is characterised in that：
First lens devices include：
First lens, there is a primary optical axis；
Wherein, the primary optical axis of first lens turns with first lens devices with what first support meanss relatively rotated
Shaft line tilts intersecting.
3. vision auxiliary equipment according to claim 1, it is characterised in that：
Second lens devices include：
Second lens, there is a primary optical axis；
Wherein, the primary optical axis of second lens turns with second lens devices with what second support meanss relatively rotated
Shaft line tilts intersecting.
4. vision auxiliary equipment according to claim 1, it is characterised in that：
First support meanss include：
First eyeglass, is made of clear material；
First picture frame, for supporting the eyeglass；
First lens devices pass through first eyeglass, and first picture frame is respectively connecting to first supporting leg and institute
State nose support.
5. vision auxiliary equipment according to claim 4, it is characterised in that：
First lens devices have relative both ends and first lens devices include：
First eyepiece, first lens devices are arranged on close to one end of user；
First object lens, it is arranged on the other end of first lens devices away from user；
First eyepiece and first object lens are located at the both sides of first eyeglass respectively.
6. vision auxiliary equipment according to claim 5, it is characterised in that：
First lens devices also include：
First lens barrel, formed with the first barrel chamber extended along first axle；
First guide holder, it is arranged on the outside of first lens barrel；
First eyepiece and the first object lens are mounted respectively to first lens barrel；First guide holder, which is provided with, supplies described first
The guide groove of eyeglass insertion so that first lens devices relative to first eyeglass rotates when pivot center and described the
The first axle of one barrel chamber tilts intersecting.
7. vision auxiliary equipment according to claim 1, it is characterised in that：
Second support meanss include：
Second eyeglass, is made of clear material；
Second picture frame, for supporting the eyeglass；
Second lens devices pass through second eyeglass, and second picture frame is respectively connecting to second supporting leg and institute
State nose support.
8. vision auxiliary equipment according to claim 7, it is characterised in that：
Second lens devices have relative both ends and second lens devices include：
Second eyepiece, second lens devices are arranged on close to one end of user；
Second object lens, it is arranged on the other end of second lens devices away from user；
Second eyepiece and second object lens are located at the both sides of second eyeglass respectively.
9. vision auxiliary equipment according to claim 8, it is characterised in that：
Second lens devices also include：
Second lens barrel, formed with the second barrel chamber extended along second axis；
Second guide holder, it is arranged on the outside of second lens barrel；
Second eyepiece and the second object lens are mounted respectively to second lens barrel；Second guide holder, which is provided with, supplies described second
The guide groove of eyeglass insertion so that second lens devices relative to second eyeglass rotates when pivot center and described the
The second axis of two barrel chambers tilts intersecting.
10. a kind of vision auxiliary equipment, including：
Lens devices, for visually amplifying or/and reducing object so that user is observed object；
Support meanss, for supporting the lens devices so that the lens devices are located at the front of user's face；
Wherein, the support meanss include：Eyeglass, it is made of clear material；The lens devices include：Lens, there is one
Primary optical axis；The lens devices are rotatably connected to the eyeglass, the primary optical axis of the lens and the lens devices and institute
The pivot center inclination for stating eyeglass relative rotation is intersecting.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720191414 | 2017-03-01 | ||
| CN2017201914146 | 2017-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206671700U true CN206671700U (en) | 2017-11-24 |
Family
ID=60377307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720248295.3U Expired - Fee Related CN206671700U (en) | 2017-03-01 | 2017-03-15 | Vision auxiliary equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206671700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842615A (en) * | 2017-03-01 | 2017-06-13 | 南京诺思光电仪器有限公司 | Vision auxiliary equipment |
-
2017
- 2017-03-15 CN CN201720248295.3U patent/CN206671700U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842615A (en) * | 2017-03-01 | 2017-06-13 | 南京诺思光电仪器有限公司 | Vision auxiliary equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11042045B2 (en) | Electronic eyewear and display | |
| US9395562B1 (en) | Method and apparatus for eye and eyewear characteristics measurement | |
| US20180246335A1 (en) | Smart glasses with a fixed frame and a rotatable frame | |
| CN103842894B (en) | For measuring the method for the form geometric parameter of the individual of wearing spectacles | |
| CN106922182A (en) | Determine the apparatus and method of the position of the significant point of eyes and the direction of gaze of tracking lens wearer | |
| WO2009081898A1 (en) | Measurement tool for eyeglasses | |
| JP6023793B2 (en) | Adjustable eyewear | |
| JP6556133B2 (en) | Apparatus and method for measuring subjective refractive power | |
| JP6027820B2 (en) | Binocular magnifier | |
| AU2006231140A1 (en) | Method and device for determining the eye's rotation center | |
| CN206671700U (en) | Vision auxiliary equipment | |
| AU759856B2 (en) | Makeup eyeglasses | |
| CN206649234U (en) | Vision auxiliary equipment | |
| CN114994916A (en) | Nose support of head-mounted display equipment | |
| JP2018514818A (en) | Loupes and glasses containing such loupes | |
| CN106842614A (en) | Vision auxiliary equipment | |
| CN106842615A (en) | Vision auxiliary equipment | |
| US20200233219A1 (en) | Reality viewer | |
| EP2715438B1 (en) | Method and device for determining at least one customized adjustment parameter of a lens carried by a spectacles frame facing the eye of a wearer | |
| KR100797545B1 (en) | Flip up type surgical loupe apparatus | |
| TWI693060B (en) | Conscious type interpupillary distance measuring device | |
| US11187885B2 (en) | Binoculars with eyepiece-based support device | |
| ES2631478B1 (en) | Procedure, system and measuring device for the design of a pair of progressive ophthalmic lenses, manufacturing procedure and corresponding lenses. | |
| JP2015064455A (en) | Spectacle wearing parameter measuring apparatus, spectacle wearing parameter measurement program and image acquisition method | |
| CN215349537U (en) | Medical magnifying glass |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |