CN109998472A - A kind of room angle peephole - Google Patents
A kind of room angle peephole Download PDFInfo
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- CN109998472A CN109998472A CN201910393821.9A CN201910393821A CN109998472A CN 109998472 A CN109998472 A CN 109998472A CN 201910393821 A CN201910393821 A CN 201910393821A CN 109998472 A CN109998472 A CN 109998472A
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- camera lens
- eyeball
- hinged
- floating bracket
- groove
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/117—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for examining the anterior chamber or the anterior chamber angle, e.g. gonioscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
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- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Microscoopes, Condenser (AREA)
- Eye Examination Apparatus (AREA)
Abstract
The invention discloses a kind of room angle peepholes, including mirror holder and the camera lens being mounted on mirror holder, the mirror holder includes handle, floating bracket, stabilizing member, three collectively forms a suspension mirror holder, in order to camera lens above eyeball relatively stable ground floating mount, the installation end that the handle is used to install camera lens is hinged with the floating bracket that can be rotated in a certain range, one end of floating bracket is hinged with the camera lens that can be rotated in a certain range, and the stabilizing member directly contacts with eyeball and limits the relative position between camera lens and eyeball；Camera lens is concave surface towards one end of eyeball, is aspherical convex surface away from one end of eyeball, and the optical axis of the concave surface and convex surface is not coaxial, i.e. off-axis lens optical framework.This peephole is very easy to use in operation for glaucoma, ensure that the smooth quick progress of operation.
Description
Technical field
The invention belongs to peepholes when operation for glaucoma technical field more particularly to a kind of operation for glaucoma.
Background technique
Glaucoma is primary pathogenic factor in current ophthalmology disease.The inspection and treatment of glaucoma disease, need pair
Intraocular filtering angle tissue carries out careful inspection and surgical procedure.The handle of camera lens installation in the prior art, structure letter
It is single, because peephole size itself limits, it is difficult to design more rotation control mechanism to obtain good flexibility ratio, with quick
The operating position for obtaining peephole less adapts to the movement of patient's eyeball in a certain range in operation.And it is existing to room angle
Inspection optical system, main using fixed contact reflecting mirror, camera lens is due to using mirror imager, so being imaged as a left side
Right mirror image, it is contrary with surgical operation, so should not be used in art.In view of the foregoing, currently used for glaucoma
Operation peephole, flexible stability is poor when in use, it is difficult to allow camera lens to be in predetermined position rapidly, cause operation inconvenient.
Summary of the invention
It is an object of the invention to solve above-mentioned technical problem, by using suspension mirror holder and off-axis lens optical framework
The bad adaptability of lens location adjustment when design efficiently solves surgical operation, perform the operation direction and lens imaging direction phase
The inconvenient technical problem of the operation instead resulted in.
Technical scheme is as follows:
A kind of room angle peephole, including mirror holder and the camera lens being mounted on mirror holder, the mirror holder includes handle, branch of floating
Frame, stabilizing member, three collectively form a suspension mirror holder, in order to camera lens above eyeball relatively stable ground floating mount, institute
It states installation end of the handle for installing camera lens and is hinged with the floating bracket that can be rotated in a certain range, the one of floating bracket
End is hinged with the camera lens that can be rotated in a certain range, and the stabilizing member directly contacts with eyeball and limits camera lens and eyeball
Between relative position；
The camera lens towards one end of eyeball be concave surface, away from one end of eyeball be aspherical convex surface, and the concave surface with
The optical axis on convex surface is not coaxial, i.e. off-axis lens optical framework.
Beneficial effects of the present invention: the present invention passes through restrictive hinged between floating bracket and handle, camera lens and floating
Bracket it is restricted hingedly come so that camera lens have more flexible freedom, the optimum position at observation cabin angle can be quickly moved to,
And cooperate, maintain the operating position of camera lens by same restrictive hinged stabilizing member, therefore, so that peephole is in blueness
It is very convenient in use when light ocular operation, observation position can be adjusted rapidly.Camera lens is concave surface towards eyeball and observes end to be aspheric
The convex surface in face, and convex surface and concave surface optical axis centrifugation design, can to eyeball optical axis at the filtering angle tissue of larger angle at upright
The virtual image is implemented so that the angle and direction of doctor's observation is very beneficial for operation.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is lens construction schematic diagram.
Fig. 3 is handle and floating bracket seperated schematic diagram.
Fig. 4 is the partial structural diagram of the present invention when camera lens is removed.
Fig. 5 is the articulated connection schematic diagram of raised stabilizing ring and handle indentation, there.
Fig. 6 uses schematic diagram for of the invention.
Fig. 7 is the optical principle schematic diagram of camera lens.
Component label instructions: handle 1, floating bracket 2, camera lens 3, retainer ring 4, stabilizing member 5, lens assembly of the present invention 6, eyeball
Filtering angle tissue 7, crystalline lens 8, anterior chamber 9, cornea 10, eyeball 11, convex surface 12, convex surface optical axis 13, concave surface 14, the concave surface light of anterior chamber
Axis 15, convex surface and concave surface eccentric distance 16, groove 101, articulated shaft 102, notch 103, step surface 104, upward inclined inclined-plane
201, otic placode 401, protrusion 501, need be imaged filtering angle tissue position A, filtering angle tissue by camera lens at upright virtual image position
A′。
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
Present invention will be further explained below with reference to the attached drawings and examples:
A kind of room angle peephole comprising mirror holder and the camera lens 3 being mounted on mirror holder can be used but is not limited to using optics
Glass and optics plastic cement, with existing room angle peephole except that: as shown in Fig. 1 and Fig. 3-4, the mirror holder includes hand
Handle 1, floating bracket 2, stabilizing member 5, a suspension mirror holder for being formed together installation, controlling 3 position of camera lens.In the suspension mirror holder,
The installation end that its handle 1 is used to install camera lens 3 is hinged with the floating bracket 2 that can be rotated in a certain range, floating bracket 2
One end be hinged with the camera lens 3 that can be rotated in a certain range, the stabilizing member 5 directly contacts with eyeball 11 and limits mirror
Relative position between first 3 and eyeball 11 is arranged on eyeball 11 so that camera lens 3 can be maked somebody a mere figurehead preferably after determining position
Side, so as to observation of performing the operation.Respective members in the present embodiment rotate in a certain range, which sets according to specific needs
Fixed, the present embodiment does not illustrate its specific value range especially.
Particularly, the camera lens 3 of the present embodiment is centrifugation design (bias design), that is, as shown in Fig. 1-2, and camera lens 3 is towards eye
One end of ball 11 is concave surface 14, which can be spherical surface or aspherical, and importantly, the camera lens 3 of the present embodiment deviates from eye
It is aspherical convex surface 12 that end is observed when one end, i.e. surgical of ball 11, mirror surface herein cannot as concave surface 14 spherical surface
Or aspherical optional use, but aspherical 12 mirror surface of convex surface can only be chosen, so that aberration and imaging is well controllled
Quality.And the optical axis of the concave surface 14 and convex surface 12 is not coaxial, that is, off-axis lens optical framework (centrifugation design structure), tool
The optical principle schematic diagram of body is as shown in Figure 7.For the optical principle for more fully understanding this camera lens 3, actually make in conjunction with of the invention
With state, referring to Fig. 6, the filtering angle tissue 7 (the main eye lesion portion for causing green light) of 11 anterior chamber 9 of eyeball be located at cornea 10 and
Narrow regions between crystalline lens 8, the i.e. marginal portion of anterior chamber 9.Because bigger with axis oculi angle, it is more difficult to it observes, it is existing
Technology mostly uses the reflective prism angled with axis oculi to be checked, but due to reflection image, with reality by image tissue
It is mirrored into, so the space coordinate with surgical is contrary, it is impossible to be used in observe and use in operation, so this kind reflects rib
Mirror purposes has limitation, is not able to satisfy operation and uses.And in the present embodiment, the centrifugal shaft lens system based on refraction type, imaging
Coordinate direction, it is consistent with actual tissue, observed in implementable art, greatly improve glaucoma related surgical efficiency, be patient with
Carry out Gospel.About the optical system of the present embodiment, the expression formula of aspherical mirror can be calculated by the following formula:
Wherein, X: face type rise coordinate value
(optical axis direction)；Y: aperture of lens (vertical optical axis radial direction)；C: substrate curvature radius；K: quadratic surface constant；An:n times
The coefficient of item.
Peephole provided by the above embodiment is when specifically used, and as needed, floating bracket 2 can be revolved relative to handle 1
Go to certain angle, the rotatable certain angle again on floating bracket 2 of camera lens 3, and finally the rotation of cooperation stabilizing member 5 to and camera lens
The position that 3 lower ends are in contact, to make camera lens 3 rapidly in a suitable operation observation position, floating bracket 2, mirror jointly
Although first 3, stabilizing member 5 itself is all hinged but is not to rotate freely completely hinged, respectively all have certain hinged
Angle is rapidly achieved observation position to match the viewing angle to room angle.The camera lens 3 of the present embodiment can be compared on eyeball 11
Steadily to make somebody a mere figurehead setting and in the case where eyeball 11 moves, guarantees that mirror body is synchronous with eyeball 11 and float, guarantee its imaging
Stability is greatly improved the convenience of operation.
As specific embodiment, such as Fig. 3, the installation end of handle 1 has a U-shaped groove 101 along its length,
The groove 101 can carry out Milling Process using the same processing method of similar cotter mill cutter.The other end of the floating bracket 2
It is movably inserted into the groove 101 and is hinged in the groove 101 from the open end of the U-shaped structure of groove 101, specifically
When production, it can be realized hingedly by the waist hole cooperation of strip on articulated shaft 102 and floating bracket 2, and the end at 2 end of floating bracket
The bottom surface for facing 101 slot bottom of groove has an inclined inclined-plane 201 upward, when the floating bracket 2 rotates upward, the inclined-plane
Floating bracket 2 can be limited when being in contact with the slot bottom of the groove 101 and rotates the angle to raise up, existed with reaching floating bracket 2
The purpose rotated in a certain range.
As embodiment, such as Fig. 3-4, as floating bracket 2 and the hinged specific embodiment of handle 1, the groove
101 two sidewalls extend forward along its length respectively, to form a notch 103；The floating bracket 2 is in catapult shape
Fork configuration, the camera lens 3 are hinged in the prong of the fork configuration and can carry out the rotation of respective angles.Structure design
It is simple and reliable, it is a kind of preferably realization floating bracket 2 and hinged connection structure of handle 1, easily fabricated, use.
As embodiment, as the specific articulated manner of camera lens 3, such as Fig. 4,3 outer wall of camera lens, which encircles hoop, retainer ring 4,
With by the banding well of camera lens 3, for hingedly laying the foundation by the hinged realization camera lens 3 of retainer ring 4, two on the retainer ring 4
Corresponding point is respectively correspondingly hinged on two opposite inner sidewalls of the prong, so that camera lens 3 and floating bracket 2 are realized hingedly
Camera lens 3 is realized the requirement selected and vacantly set up again such that the structure of whole device is simple by connection in a smaller space；?
On the basis of this, for the function that realization camera lens 3 hingedly rotates in a certain range, as specific embodiment, such as Fig. 4, the retainer ring 4
By 1 groove 101 of handle lateral wall have one protrusion setting otic placode 401, the camera lens 3 rotate when otic placode 401 because with institute
It states stabilizing member 5 and prong peristoma contact and is limited, so that camera lens 3 will not be rotated on a large scale without restrictions, protect
Eyeshield ball 11 controls rapidly the approximate location of camera lens 3.
As embodiment, such as Fig. 4-5, the stabilizing member 5 is hinged on the free end of the two sidewalls of the notch 103, with
Just optimize structure, preferably 3 position of camera lens at auxiliary control installation end.And further, as embodiment, the stabilizing member
5 be the stabilizing ring of circular arc strip, which can preferably match with the shape of eyeball 11.14 end of concave surface of the camera lens 3 exists
Camera lens 3 is always positioned in the stabilizing ring when rotating and connects with stabilizing ring inner sidewall, that is, the purpose contacted is carried out to camera lens 3
A degree of constraint is allowed to be adapted with 11 room Angle Position of eyeball and the mobile once in a while of eyeball 11, realizes that eyeball 11 is mobile
Shi Jingtou 3 carries out the rotation of adaptivity, and camera lens 3 is floated and is arranged above eyeball 11, convenient for observation.And not for camera lens 3
It with 11 direct collision of eyeball, influences to observe, stabilizing ring is not stretched out at its 14 end of concave surface when the camera lens 3 rotates.As preferred implementation
Example, the stabilizing ring is towards the protrusion that along its circumferencial direction there are several directly to contact with eyeball 11 on a side end face of eyeball 11
501, so that the contact area between stabilizing ring and eyeball 11 is smaller, contact area distribution will not be too intensive, reduces to eyeball
11 interference, it is preferably mobile with 11 adaptability of eyeball, in order to advanced optimize the effect, as embodiment, described raised 501
It is directly contacted in coniform and its small end with eyeball 11 and the end face of small end is spherical.
It is allowed to only exist for the restricted hinge function for realizing stabilizing member 5 (stabilizing ring) as embodiment, such as Fig. 3 and Fig. 5
Rotation in suitable range, the two sidewalls of the groove 101 extend forward along its length respectively, to form a notch
103, and the free end in two extended segments all has an inclined step, which is designed to an inclined surface as needed
Either multi-panel combines, and the two of the stabilizing ring are opposite, and lateral walls are respectively hinged at two steps, and when stabilizing ring rotates due to
Within the scope of can contacting with the step surface 104 of the step and being limited in certain angle, the limiting structure same structure is simple,
It is ingenious, very simply it is achieved that the rotary spacing of stabilizing member 5.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of room angle peephole, including mirror holder and the camera lens being mounted on mirror holder, it is characterised in that: the mirror holder includes hand
Handle, floating bracket, stabilizing member, the handle be used for install camera lens installation end be hinged with can rotate in a certain range it is described
Floating bracket, one end of floating bracket are hinged with the camera lens that can be rotated in a certain range, and the stabilizing member and eyeball are straight
Contact simultaneously limits the relative position between camera lens and eyeball；
The camera lens is concave surface towards one end of eyeball, is aspherical convex surface, and the concave surface and convex surface away from one end of eyeball
Optical axis be not overlapped.
2. room angle peephole according to claim 1, it is characterised in that: the installation end has one along its length and is in
U-shaped groove；The other end of the floating bracket is movably inserted into the groove from the open end of the U-shaped structure of groove
And be hinged in the groove, and the end face at the floating bracket end has an inclined inclined-plane upward towards the bottom surface of groove slot bottom,
The inclined-plane is in contact to limit it and rotate the angle to raise up with the slot bottom of the groove when floating bracket rotates upward.
3. room angle peephole according to claim 2, it is characterised in that: the two sidewalls difference of the groove is along its length
Extend forward, to form a notch；The floating bracket is in the fork configuration of catapult shape, and the camera lens is hinged on the fork-shaped
The prong of structure is interior and can carry out the rotation of respective angles.
4. room angle peephole according to claim 3, it is characterised in that: the camera lens outer wall, which encircles hoop, retainer ring, the card
Two corresponding points on circle are respectively correspondingly hinged on two opposite inner sidewalls of the prong, so that camera lens and floating bracket are real
Now it is articulated and connected.
5. room angle peephole according to claim 4, it is characterised in that: the retainer ring has one by the lateral wall of handle grooves
The otic placode of a protrusion setting, otic placode is limited due to the stabilizing member and the prong peristoma contact when camera lens rotates.
6. room angle peephole according to claim 3, it is characterised in that: the stabilizing member is hinged on the two sidewalls of the notch
Free end.
7. room angle peephole according to claim 1, it is characterised in that: the stabilizing member is the stabilizing ring of circular arc strip, institute
The concave ends for stating camera lens are always positioned in the stabilizing ring in camera lens rotation and connect with stabilizing ring inner sidewall, and the camera lens turns
Its concave ends does not stretch out stabilizing ring when dynamic.
8. room angle peephole according to claim 7, it is characterised in that: the stabilizing ring towards on a side end face of eyeball along it
The protrusion that there are circumferencial direction several directly to contact with eyeball.
9. room angle peephole according to claim 8, it is characterised in that: the protrusion is straight in coniform and its small end and eyeball
The end face of contact and small end is spherical.
10. room angle peephole according to claim 7, it is characterised in that: the two sidewalls of the groove are square along its length respectively
Extend to facing forward to form a notch, and the free end in two extended segments all has an inclined step, the stabilization
The two of ring are opposite, and lateral wall is respectively hinged at two steps, and due to can be with the step face contact of the step when stabilizing ring rotates
And it is limited within the scope of certain angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910393821.9A CN109998472B (en) | 2019-05-13 | 2019-05-13 | Room corner observation mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910393821.9A CN109998472B (en) | 2019-05-13 | 2019-05-13 | Room corner observation mirror |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109998472A true CN109998472A (en) | 2019-07-12 |
| CN109998472B CN109998472B (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910393821.9A Active CN109998472B (en) | 2019-05-13 | 2019-05-13 | Room corner observation mirror |
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| Country | Link |
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| CN (1) | CN109998472B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1447672A (en) * | 2001-06-21 | 2003-10-08 | 保谷保健股份有限公司 | Holder of contact lens for vitreous body operation, and holding part and connection part of contact lens for vitreous body operation |
| CN1474667A (en) * | 2000-11-17 | 2004-02-11 | - | Device and method for examining and/or treating eye |
| CN102481203A (en) * | 2009-08-18 | 2012-05-30 | Hoya株式会社 | Holding device for contact lens for vitreous body surgery, holding device set, contact lens for vitreous body surgery, and lens set |
| CN208495048U (en) * | 2018-05-07 | 2019-02-15 | 史秀贞 | A kind of eye examination three mirror contact lens cleaning device |
| CN109414345A (en) * | 2016-06-28 | 2019-03-01 | Hoya株式会社 | Intraocular lens inserter |
-
2019
- 2019-05-13 CN CN201910393821.9A patent/CN109998472B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1474667A (en) * | 2000-11-17 | 2004-02-11 | - | Device and method for examining and/or treating eye |
| CN1447672A (en) * | 2001-06-21 | 2003-10-08 | 保谷保健股份有限公司 | Holder of contact lens for vitreous body operation, and holding part and connection part of contact lens for vitreous body operation |
| CN102481203A (en) * | 2009-08-18 | 2012-05-30 | Hoya株式会社 | Holding device for contact lens for vitreous body surgery, holding device set, contact lens for vitreous body surgery, and lens set |
| CN109414345A (en) * | 2016-06-28 | 2019-03-01 | Hoya株式会社 | Intraocular lens inserter |
| CN208495048U (en) * | 2018-05-07 | 2019-02-15 | 史秀贞 | A kind of eye examination three mirror contact lens cleaning device |
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| Publication number | Publication date |
|---|---|
| CN109998472B (en) | 2021-05-28 |
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