CN211270680U

CN211270680U - Hand-held type line confocal and optical coherence tomography eye ground imager

Info

Publication number: CN211270680U
Application number: CN201922162449.9U
Authority: CN
Inventors: 申森
Original assignee: Second Peoples Hospital of Hefei
Current assignee: Second Peoples Hospital of Hefei
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-08-18
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a hand-held type line confocal and optical coherence tomography eye ground imager, including the imager body, the one end inboard of imager body is installed and is connect the thing eyepiece, the imager body and the bottom fixedly connected with spacing outer seat that connects thing eyepiece homonymy, the inboard of spacing outer seat is installed the interior axle, the connecting seat has been cup jointed in the outside of interior axle, install the torsional spring between connecting seat and the interior axle, the one end of connecting seat is connected with the outward spiral cover, clean spiral plate is installed to the inboard of outward spiral cover, the fixed surface of clean spiral plate is connected with clean silver, the inside joint of outward spiral cover has the column spinner, and the one end of column spinner is connected with clean spiral plate, the bottom of imager body is installed and is settled the mechanism; through the clean mechanism that sets up and connect thing eyepiece to match, can accomplish the dust of the clean thing eyepiece surface that connects of free hand, convenient operation just can clean thoroughly for the formation of image effect is better.

Description

Hand-held type line confocal and optical coherence tomography eye ground imager

Technical Field

The utility model belongs to the technical field of the eye ground imager, concretely relates to confocal and the optical coherence tomography eye ground imager of hand-held type line.

Background

At present, a plurality of fundus retina imaging technologies exist clinically, including fundus cameras, optical coherence tomography, confocal scanning technology and the like, and play an important role in biological research and disease diagnosis;

and the patent publication numbers are: CN208892543U provides a hand-held line confocal and optical coherence tomography fundus imaging instrument, including optical coherence tomography module, fast axis scanning module, slow axis scanning module, spectroscope, banded coating speculum, line confocal illumination module, line detection module and eye objective. The utility model discloses in, through combining together line scanning imaging technique and optical coherence tomography imaging technique, adopt sharing fast axle scanning module synchronous scanning imaging method to effectively reduce system hardware, each optical device can all integrate to a shell in, and then reach handheld purpose, it is very convenient. In addition, the problem of bright spots reflected by the lens and the cornea is solved by adopting the strip-shaped coating reflecting mirror, and the scanning of optical coherence tomography is not influenced, so that the optical coherence tomography and line confocal high-speed scanning imaging are realized, and the purposes of quick surface imaging and tomography imaging of the fundus retina are achieved;

however, the objective lens of the device is easy to adhere dust due to direct contact with air, and a matched cleaning tool is not provided, so that the cleaning is very inconvenient; and the device does not have a supporting placing seat, and can not be completely placed when the device is idle, so that a handheld line confocal and optical coherence tomography fundus imager is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a confocal and optical coherence tomography eye ground imager of hand-held type line to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a confocal and optical coherence tomography eye ground imager of hand-held type line, includes the imager body, the one end inboard of imager body is installed and is connect the thing eyepiece, the imager body and the spacing outer seat of the bottom fixedly connected with that connects the thing eyepiece with the end, interior axle is installed to the inboard of spacing outer seat, the connecting seat has been cup jointed in the outside of interior axle, install the torsional spring between connecting seat and the interior axle, the one end of connecting seat is connected with outer spiral cover, clean spiral plate is installed to the inboard of outer spiral cover, the clean surperficial fixedly connected with of spiral plate clean silver, the inside joint of outer spiral cover has the column spinner, just the one end and the clean spiral plate of column spinner are connected, settling mechanism is installed to the bottom of imager body.

Preferably, the arrangement mechanism comprises a placing seat, a handle, a clamping inner plate, an inner connecting plate and a return spring, the clamping inner plate is located on the inner side of the placing seat, the return spring is located between the clamping inner plate and the placing seat, the inner connecting plate is fixed on the surface of the outer side of the clamping inner plate, and one end, far away from the clamping inner plate, of the inner connecting plate penetrates through the placing seat to be connected with the handle.

Preferably, the section of the rotating column is of a T-shaped structure, and one end of the rotating column, which is far away from the cleaning rotary plate, is positioned on the outer side of the outer rotary cover, and the radius of the rotating column is increased.

Preferably, one end of the connecting seat, which is far away from the outer spiral cover, is sleeved outside the inner shaft and then is connected by the torsion spring.

Preferably, the length of the cleaning cotton sliver and the cleaning rotary plate is the same and is equal to the radius of the object ocular lens.

Preferably, the surface of the inner side wall of the placing seat and the surface of one side, far away from the return spring, of the clamping inner plate are both embedded with protective rubber strips.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the clean mechanism that sets up and connect thing eyepiece to match, possible clean dust that connects thing eyepiece surface at will, convenient operation just can clean thoroughly for the formation of image effect is better.

2. The utility model discloses in, through the seat of placing that sets up, can carry out the clamping when the imager is idle and place to play the effect of protection imager.

Drawings

Fig. 1 is a schematic front structural view of the present invention;

fig. 2 is a schematic side view of the external screw cap of the present invention after rotating 90 degrees;

FIG. 3 is a schematic front sectional view of the external screw cap of the present invention;

fig. 4 is the structural schematic diagram of the plane of depression of the placing seat of the present invention.

In the figure: 1. an imager body; 2. a placing seat; 3. a handle; 4. screwing the cover outwards; 5. a limiting outer seat; 6. a spin column; 7. an object-receiving eyepiece; 8. a torsion spring; 9. cleaning the cotton sliver; 10. cleaning the rotary plate; 11. a connecting seat; 12. an inner shaft; 13. a protective rubber strip; 14. clamping the inner plate; 15. an inner connecting plate; 16. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a hand-held linear confocal and optical coherence tomography fundus imager comprises an imager body 1, an object receiving eyepiece 7 is installed on the inner side of one end of the imager body 1, a limiting outer base 5 is fixedly connected to the bottom of the same end of the imager body 1 and the object receiving eyepiece 7, an inner shaft 12 is installed on the inner side of the limiting outer base 5, a connecting base 11 is sleeved on the outer side of the inner shaft 12, a torsion spring 8 is installed between the connecting base 11 and the inner shaft 12, the outer screw cap 4 is placed in parallel at the beginning, one end of the connecting base 11 is connected with an outer screw cap 4, a cleaning screw plate 10 is installed on the inner side of the outer screw cap 4, a cleaning cotton sliver 9 is fixedly connected to the surface of the cleaning screw plate 10, the cleaning cotton sliver 9 can protrude from the outer edge of the outer screw cap 4, after the outer screw cap 4 is perfectly attached to the outer surface of the imager body 1, the cleaning cotton sliver 9 can be attached to the object receiving eyepiece 7, a rotary, and one end of the rotating column 6 is connected with the cleaning rotating plate 10, and the bottom of the imager body 1 is provided with a mounting mechanism.

The arrangement mechanism comprises a placing seat 2, a handle 3, a clamping inner plate 14, an inner connecting plate 15 and a return spring 16, the clamping inner plate 14 is located on the inner side of the placing seat 2, the return spring 16 is located between the clamping inner plate 14 and the placing seat 2, so that the clamping inner plate 14 can be automatically reset after moving to clamp and fix the imager body 1, the inner connecting plate 15 is fixed on the outer side surface of the clamping inner plate 14, and one end, far away from the clamping inner plate 14, of the inner connecting plate 15 penetrates through the placing seat 2 and is connected with the handle 3.

Wherein, the section of column spinner 6 is "T" type structure, and the one end that column spinner 6 kept away from clean spiral plate 10 is in the outside of spiral cover 4, and the radius grow for column spinner 6 can not break away from spiral cover 4 outward.

Wherein, the end of the connecting seat 11 far away from the outer spiral cover 4 is sleeved outside the inner shaft 12 and then connected by the torsion spring 8.

The cleaning cotton sliver 9 and the cleaning rotary plate 10 are the same in length and equal to the radius of the object eyepiece 7, so that the outer surface of the object eyepiece 7 can be completely cleaned when the cleaning cotton sliver 9 rotates.

Wherein, place seat 2 inside wall surface and centre gripping inner panel 14 and keep away from the surface of one side of reset spring 16 and all inlay and be equipped with protection rubber strip 13.

The utility model discloses a theory of operation and use flow: at the beginning, the outward rotary cover 4 and the limiting outer seat 5 are in a parallel state under the action of the torsion spring 8, the holding handle 3 is pulled outwards, the clamping inner plate 14 can synchronously move through the inner connecting plate 15 at the moment, the reset spring 16 can be compressed, the inner side space of the holding seat 2 is enlarged, the bottom of the imager body 1 is placed into the inner side of the holding seat 2, then the holding handle 3 is loosened, the reset spring 16 can support the clamping inner plate 14 to approach the imager body 1 until the holding inner plate is attached to the imager body 1, the protective rubber strip 13 embedded between the inner side wall surface of the holding seat 2 and the side surface of the clamping inner plate 14 far away from the reset spring 16 plays a role in protection, so that the imager body 1 is stably held, after dust is adhered to the surface of the object receiving eyepiece 7, the outward rotary cover 4 can be rotated to 180 degrees, and at the outward rotary cover 4 is perfectly attached to the outer side surface of the imager body 1, and clean silver 9 can be attached to connect thing eyepiece 7, then rotatory column spinner 6 can make clean spiral plate 10 and clean silver 9 synchronous revolution to reach the purpose through the comprehensive cleanness in surface of clean silver 9 butt joint thing eyepiece 7, when carrying out the use of imager body 1, hold imager body 1 and keep away from the one end that connects thing eyepiece 7, then make and connect thing eyepiece 7 contact the article that awaits measuring, can clearly show the image at the formation of image end.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a confocal and optical coherence tomography eye ground imager of hand-held type line, includes imager body (1), its characterized in that: an object receiving eyepiece (7) is arranged on the inner side of one end of the imager body (1), a limiting outer seat (5) is fixedly connected with the bottom of the same end of the imager body (1) and the object receiving eyepiece (7), an inner shaft (12) is arranged on the inner side of the limiting outer seat (5), a connecting seat (11) is sleeved on the outer side of the inner shaft (12), a torsion spring (8) is arranged between the connecting seat (11) and the inner shaft (12), one end of the connecting seat (11) is connected with an external screw cap (4), the inner side of the external screw cap (4) is provided with a cleaning screw plate (10), the surface of the cleaning rotary plate (10) is fixedly connected with a cleaning cotton sliver (9), the inner part of the outer rotary cover (4) is clamped with a rotary column (6), and one end of the rotating column (6) is connected with the cleaning rotating plate (10), and the bottom of the imager body (1) is provided with a mounting mechanism.

2. A hand-held line confocal and optical coherence tomography fundus imager according to claim 1, wherein: the arrangement mechanism comprises a placing seat (2), a handle (3), a clamping inner plate (14), an inner connecting plate (15) and a return spring (16), wherein the clamping inner plate (14) is arranged on the inner side of the placing seat (2), the return spring (16) is arranged between the clamping inner plate (14) and the placing seat (2), the inner connecting plate (15) is fixed on the outer side surface of the clamping inner plate (14), and one end, far away from the clamping inner plate (14), of the inner connecting plate (15) penetrates through the placing seat (2) to be connected with the handle (3).

3. A hand-held line confocal and optical coherence tomography fundus imager according to claim 1, wherein: the section of the rotating column (6) is of a T-shaped structure, one end, far away from the cleaning rotary plate (10), of the rotating column (6) is located on the outer side of the outer rotary cover (4), and the radius of the rotating column is increased.

4. A hand-held line confocal and optical coherence tomography fundus imager according to claim 1, wherein: one end of the connecting seat (11) far away from the outer spiral cover (4) is sleeved outside the inner shaft (12) and then is connected by the torsion spring (8).

5. A hand-held line confocal and optical coherence tomography fundus imager according to claim 1, wherein: the cleaning cotton sliver (9) and the cleaning rotary plate (10) have the same length and are equal to the radius of the object eye lens (7).

6. A hand-held line confocal and optical coherence tomography fundus imager according to claim 2, wherein: and protective rubber strips (13) are embedded on the surface of the inner side wall of the placing seat (2) and the surface of one side, far away from the return spring (16), of the clamping inner plate (14).