CN210354652U

CN210354652U - Multifunctional ophthalmoscope

Info

Publication number: CN210354652U
Application number: CN201920728330.0U
Authority: CN
Inventors: 朱爱斌; 吕银月; 姜宇栋
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-04-21
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a multifunctional ophthalmoscope, which comprises a handle, an ophthalmoscope cylinder and an observation part I, wherein the handle is internally provided with a power supply, a circuit and a light source I, and the observation part I comprises a peephole; a first condenser lens, an adjustable diaphragm, a second condenser lens and a refraction lens are arranged between the light source I and the peephole, an extension part is arranged on the side wall of the handle, a film examination barrel is detachably mounted on the extension part, an observation part II is arranged at the other end of the barrel, which is far away from the extension part, a light source II connected with a circuit is arranged in the film examination barrel, and the observation part II comprises a tube body and a peephole II arranged at the side part of the tube body; a refraction lens II is arranged between the light source II and the peephole II; the utility model discloses a to examine shadow mirror and eye ground mirror combination together, the installation is dismantled conveniently, conveniently examines the shadow and the eye ground inspection switches the use, has improved medical staff to patient's observation efficiency, and labour saving and time saving, energy-efficient has reduced equipment manufacturing cost.

Description

Multifunctional ophthalmoscope

Technical Field

The utility model belongs to the technical field of the medical optical instrument of ophthalmic examination usefulness, specifically relate to a multi-functional ophthalmoscope.

Background

The shadow scope is an optical instrument for objectively measuring eye refractive power, and the specific use method is that the shadow scope is used for illuminating the inner part of an eyeball, light rays are reflected back from the retina, the reflected light rays are changed after passing through refractive components of the eyeball, and the eye refractive power can be judged by checking the vergence of the reflected light rays; according to the difference of the projected light spots of the shadow-testing mirror, the light source can be divided into a point light shadow-testing mirror and a strip light shadow-testing mirror; the ophthalmoscope consists of an illumination system and an observation system, wherein the observation system comprises a peephole, a compensation lens disc and a compensation lens reading window; the illumination system comprises a light source, a first condenser lens, an adjustable diaphragm, a second condenser lens and a refractive lens; the light emitted by the light source is changed into parallel light rays in a certain direction through the two layers of condensing lenses and the two layers of refracting lenses, and the parallel light rays are projected to an observation visual field of the peephole, so that an image of the eyeground is obtained, in the process of eye examination, the multifunctional ophthalmoscope and the ophthalmoscope need to be used in a matched mode and are used in a back-and-forth replacement mode, at the moment, a doctor needs to put the multifunctional ophthalmoscope or the ophthalmoscope lightly in place, then the ophthalmoscope or the multifunctional ophthalmoscope is taken up to perform optical examination on the eyes of a patient again, the whole process lasts for more than 10 seconds, in the process, the eyes of the patient are always in an open examination state, blood vessels or neuropathy on the eyeground are too tiny, the existing ophthalmoscope is easy to leak diagnosis, and the eyes of the patient are easy to fatigue due.

Disclosure of Invention

In view of this, the utility model aims at providing a multifunctional ophthalmoscope, this multifunctional ophthalmoscope is through being in the same place examining shadow mirror and eye ground mirror group, and the installation is dismantled conveniently, conveniently examines the shadow and switches the use with the eye ground inspection, has improved medical staff to patient's observation efficiency, and labour saving and time saving, energy-efficient has reduced equipment manufacturing cost.

In order to achieve the purpose, the utility model relates to a multifunctional ophthalmoscope, including handle, eye examination barrel and the observation part I of setting on the eye examination barrel, be provided with the power, circuit and the light source I that connect gradually in the handle, observation part I includes the oval casing of being connected with eye examination barrel end and installs the compensation lens dish in oval casing surface, oval casing lateral part is equipped with compensation hand wheel and diaphragm hand wheel, the last peephole of installing of compensation lens dish and compensation lens reading window of setting up of compensation lens dish; a first condenser lens, an adjustable diaphragm, a second condenser lens and a refraction lens are arranged between the light source I and the peephole, an extension part is arranged on the side wall of the handle, a film examination barrel is detachably mounted on the extension part, an observation part II is arranged at the other end, far away from the extension part, of the film examination barrel, a light source II connected with a circuit is arranged in the film examination barrel, and the observation part II comprises a tube body connected with the film examination barrel and a peephole II arranged at the side part of the tube body; and a refraction lens II is arranged between the light source II and the peephole II.

Furthermore, a push plate for adjusting the distance between the light source II and the peephole II is arranged on the side wall of the film examination cylinder.

Further, peephole and peephole II are located the both sides of handle, parallel arrangement between handle and the inspection cylinder body.

Further, the peephole and the peephole II are positioned on the same side of the handle, and the heights from the peephole and the peephole II to the handle are not on the same straight line.

Further, a rotary switch is arranged at the position, close to the observation part, of the handle.

Further, a shadow detection switch is arranged at a gap between the handle and the barrel body of the extension part.

Further, the extension is provided with the recess that holds the shadow barrel of examining, the recess middle part is provided with and examines the internal thread hole of shadow barrel threaded connection, be provided with the ring channel around being located the internal thread hole in the recess, the one end of examining the shadow barrel and keeping away from power II is provided with the external screw thread portion with internal thread hole adaptation, external screw thread portion intermediate position is provided with the anodal connecting portion with circuit connection, the one end of examining the shadow barrel and keeping away from power II is located the negative pole connecting portion that is provided with around the external screw thread portion with the ring channel adaptation, be provided with the contact piece in the ring channel, the contact piece is used for connecting negative pole connecting portion.

Further, the handle and the extension part are integrally formed and made of stainless steel.

The beneficial effects of the utility model reside in that:

the utility model discloses multi-functional ophthalmoscope is through being in the same place examining shadow mirror and eye ground mirror, and the installation is dismantled conveniently, conveniently examines the shadow and switches the use with the eye ground inspection, has improved medical staff to patient's observation efficiency, and labour saving and time saving, energy-efficient has reduced equipment manufacturing cost.

Drawings

FIG. 1 is a schematic view of the structure of a multifunctional ophthalmoscope of the present invention;

FIG. 2 is a light path layout diagram of the multi-functional ophthalmoscope of the present invention;

FIG. 3 is an exploded view of the multi-functional ophthalmoscope of the present invention;

FIG. 4 is a schematic structural view of another embodiment of the multi-functional ophthalmoscope of the present invention;

FIG. 5 is a diagram of the optical path layout of another embodiment of the multi-functional ophthalmoscope of the present invention;

fig. 6 is a reverse side view of the image-examining part in the multifunctional ophthalmoscope of the present invention.

Reference numerals: 1-a handle; 2-a rotary switch; 3-eye examination cylinder body; 4-rotating the hand wheel; 5-observation part I; 6-peep hole; 7-a compensation hand wheel; 8-observation site II; 9-a shadow examination cylinder; 10-push plate; 11-an extension; 12-a shadow-detecting switch; 13-light source I; 14-a first condenser lens; 15-an adjustable diaphragm; 16-a second condenser lens; 17-a refractive lens; 18-refractive lens II; 19-light source II; 20-a positive electrode connection part; 21-a negative electrode connection part; 22-a groove; 23-an annular groove; 24-an internally threaded hole.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example one

The utility model discloses a structure schematic diagram of multi-functional ophthalmoscope, as shown in fig. 1-3, the utility model discloses a multi-functional ophthalmoscope, including handle 1, eye-examining barrel 3 and the observation part I5 of setting on eye-examining barrel 3, be provided with the power that connects gradually, circuit and light source I13 in the handle 1, observation part I5 includes the oval casing of end connection with eye-examining barrel 3 and installs the compensation lens dish in oval casing surface, oval casing lateral part is equipped with compensation hand wheel 7 and diaphragm hand wheel 15, the last peephole 6 and the compensation lens reading window of installing of compensation lens dish of setting up of compensation lens dish; a first condenser lens 14, an adjustable diaphragm 15, a second condenser lens 16 and a refractive lens 17 are arranged between the light source I13 and the peephole 6, an extension part 11 is arranged on the side wall of the handle 1, a film detection barrel 9 is detachably mounted on the extension part 11, an observation part II8 is arranged at the other end of the film detection barrel 9 far away from the extension part, a light source II19 connected with a circuit is arranged in the film detection barrel 9, and the observation part II8 comprises a tube body connected with the film detection barrel 9 and a peephole II arranged at the side part of the tube body; a refraction lens II18 is arranged between the light source II19 and the peephole II.

This embodiment is through linking together inspection shadow barrel 9 and observation part II8, install on handle 1 extension 11, simultaneously will examine eye barrel 3 and observation part I5 and link together, install on handle 1 tip, through examining shadow mirror and eye ground mirror combination together, through power and circuit control, conveniently examine shadow and eye ground inspection switch and use, reach and realize the facula shape change, the width transform, the brightness change, the facula is rotatory and the function of focusing, not only the installation is dismantled conveniently, medical staff has improved the observation efficiency to the patient, it is laborsaving to save time, high efficiency and energy saving, and the equipment production cost is reduced.

In a preferred embodiment, a push plate 10 for adjusting the distance between the light source II19 and the peephole II is disposed on the side wall of the inspection cylinder 9, and the structure of this embodiment realizes a focusing function by moving the push plate 10.

In the preferred embodiment, the peephole 6 and the peephole II are positioned at two sides of the handle, the handle 1 and the film checking cylinder 9 are arranged in parallel, the structure avoids light path interference in the checking process, and the film checking and the lens checking functions are switched in the operation process conveniently.

In a preferred embodiment, the handle 1 is provided with a rotary switch 2 near the observation portion, the rotary switch 2 controls the turning on of the light source I13, and the rotary switch 2 prevents the light path from being erroneously operated.

In a preferred embodiment, the extension part 11 is provided with a diagnostic switch 12 at the gap between the handle 2 and the diagnostic cylinder 9, and the diagnostic switch 12 controls the on of the light source II19, so that the hands of a doctor can be prevented from touching the diagnostic switch 12 carelessly during operation.

Preferred embodiment, extension 11 is provided with the recess 22 that holds the inspection shadow barrel, recess 22 middle part is provided with and inspects the internal thread hole 24 of shadow barrel 9 threaded connection, it is provided with ring channel 23 around internal thread hole 24 to be located in recess 22, the one end that inspection shadow barrel 9 kept away from power II19 is provided with the external screw thread portion with internal thread hole 24 adaptation, external screw thread portion intermediate position is provided with the anodal connecting portion 20 with circuit connection, the one end that inspection shadow barrel 9 kept away from power II19 is located and is provided with the negative pole connecting portion 21 with the ring channel adaptation around the external screw thread portion, be provided with the contact piece in the ring channel 23, the contact piece is used for connecting negative pole connecting portion 21 and circuit, and this structure is arranged through the structure, improves inspection shadow barrel power consumption security and connection reliability.

In a preferred embodiment, the handle 1 and the extension part 11 are integrally formed and made of stainless steel, and the structure can be processed through a die, so that the handle is formed by injection molding at one time, and the processing cost is reduced.

Example two

As shown in fig. 4-5, which are the structural schematic diagrams of the multifunctional ophthalmoscope of the invention,

the difference between the present embodiment and the first embodiment is: peephole 6 and peephole II lie in handle 1 with one side, the height of peephole 6 and peephole II to handle 1 position is not on same straight line, and this structure avoids changing observation portion position in the operation process, convenient operation.

Other embodiments are the same as or similar to the embodiment, and the description of the embodiment is not repeated.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. A multifunctional ophthalmoscope comprises a handle, an eye examination barrel and an observation part I arranged on the eye examination barrel, wherein a power supply, a circuit and a light source I which are sequentially connected are arranged in the handle, the observation part I comprises an elliptical shell connected with the end part of the eye examination barrel and a compensation lens disc arranged on the surface of the elliptical shell, a compensation hand wheel and a diaphragm hand wheel are arranged on the side part of the elliptical shell, and a peephole and a compensation lens reading window are arranged on the compensation lens disc; be provided with first condensing lens, adjustable diaphragm, second condensing lens and refracting lens between light source I and the peephole, its characterized in that: the side wall of the handle is provided with an extension part, the extension part is detachably provided with a film examination barrel, the other end of the film examination barrel, which is far away from the extension part, is provided with an observation part II, a light source II connected with a circuit is arranged in the film examination barrel, and the observation part II comprises a tube body connected with the film examination barrel and a peephole II arranged on the side part of the tube body; and a refraction lens II is arranged between the light source II and the peephole II.

2. A multifunctional ophthalmoscope according to claim 1, wherein: and a push plate for adjusting the distance between the light source II and the peephole II is arranged on the side wall of the examination cylinder.

3. A multifunctional ophthalmoscope according to claim 1, wherein: the peephole and the peephole II are positioned on two sides of the handle, and the handle and the examination cylinder are arranged in parallel.

4. A multifunctional ophthalmoscope according to claim 1, wherein: the peephole and the peephole II are positioned on the same side of the handle, and the heights from the peephole and the peephole II to the handle are not on the same straight line.

5. A multifunctional ophthalmoscope according to claim 1, wherein: the handle is provided with a rotary switch near the observation part.

6. A multifunctional ophthalmoscope according to claim 1, wherein: the extension part is provided with a shadow detection switch at the gap between the handle and the barrel body.

7. A multifunctional ophthalmoscope according to any one of claims 1 to 6, wherein: the extension is provided with the recess that holds the shadow barrel of examining, the recess middle part is provided with and examines the internal thread hole of shadow barrel threaded connection, be provided with the ring channel around being located the internal thread hole in the recess, the one end of examining the shadow barrel and keeping away from power II is provided with the external screw thread portion with internal thread hole adaptation, external screw thread portion intermediate position is provided with the anodal connecting portion with circuit connection, the one end of examining the shadow barrel and keeping away from power II is located the negative pole connecting portion that is provided with around the external screw thread portion with the ring channel adaptation, be provided with the contact piece in the ring channel, the contact piece is used for connecting negative pole connecting.

8. A multifunctional ophthalmoscope according to claim 1, wherein: the handle and the extension part are integrally formed and made of stainless steel.