CN213097817U - Handheld digital diagnostic system with replaceable lens - Google Patents

Abstract

The utility model discloses a hand-held type digital diagnostic system of interchangeable camera lens, including fuselage and an at least optical lens, the fuselage contains light source module, and this light source module is general module, contains near infrared light source or visible light source, and leading-in and shine the patient inspection position in order to provide the illumination of optic fibre in the accessible optical lens, optical lens contains optical fiber and imaging lens group. The light source system of the handheld digital diagnostic system with the replaceable lens is arranged in the body and shared by a plurality of lenses, the light source is incident to the detected part through the light guide fiber to provide illumination, the detected part of the patient is imaged on the photosensitive element through the imaging lens group or the optical fiber, the optical fiber is used for guiding the light source and irradiating the detected part of the patient, the light source in the body can be shared, and the size of the lenses can be controlled to be smaller by utilizing the characteristic of fineness and flexibility of the optical fiber.

Description

Handheld digital diagnostic system with replaceable lens

Technical Field

The utility model relates to a digital diagnostic system field specifically is a hand-held type digital diagnostic system of interchangeable camera lens.

Background

Traditional desk-top digital diagnosis system includes complicated lighting system and observation system, and the volume is huge, and system architecture is complicated, and some instruments need install special software on the computer just can use, and the machine itself does not possess the image storage function, and some can't break away from the computer independent work even, if need the picture, then need patient to shoot the photo before the instrument, very inconvenient to special patient, like the bed patient to the hospital, perhaps all extremely inconvenient to the patient in remote mountain area.

Most of the existing digital diagnostic systems are formed by integrating a host and a lens, so that doctors need to use the corresponding digital diagnostic system to examine different parts of the body, such as the eyeground, the anterior segment of the eye, the inside of the ear, the nasal cavity, the throat, the skin and the like, and the whole cost cannot be reduced. Another conventional digital diagnostic system is designed to separate the body and the lens, so that the body can be matched with different lenses for the physician to view different body parts. However, the conventional digital diagnostic system has a complicated optical system with curved surfaces and coupled to each other at the body end and the lens end, or has a focal length adjusting mechanism with high precision at the lens end, such as a motor or a cam ring, which increases the difficulty of manufacturing. In addition, the above digital diagnostic systems generally have a common feature that the body does not include components such as a light source, a lens must include a set of light source system, and the light source system cannot be used by other lenses, so that the light source and the corresponding light source driving circuit board must be disposed in the lens, which reduces the reliability of the lens and the system.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a handheld digital diagnosis system with replaceable lens, the utility model discloses the light source system is arranged in the machine body and is shared by a plurality of lenses, the light source is incident to the detected part through the light guide fiber to provide illumination, and the detected part of the patient is imaged on the photosensitive element through the imaging lens group or the optical fiber, the lens can be closely connected with the machine body through a specially designed bayonet, the optical lens can be of various types, each lens can detect one part of the body, such as the eyeground, the anterior segment of the eye, in the ear, the nasal cavity, the throat, the skin and the like or other, meanwhile, the photosensitive element can be moved along the optical axis direction of the imaging lens group in a manual or automatic mode to carry out focusing, the optical fiber is used for leading-in the light source and irradiating the detected part of the patient, not only the light source in the machine body can be, the size of the lens can be controlled to be smaller by utilizing the characteristic that the optical fiber is fine and flexible.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a handheld digital diagnostic system with replaceable lens comprises a body and at least one optical lens, wherein the body comprises a light source module, the light source module is a universal module and comprises a near infrared light source and a visible light source, the near infrared light source and the visible light source can be led into the body through an optical fiber in the optical lens and irradiate the part of a patient to be checked to provide illumination, the optical lens comprises an optical fiber guide fiber and an imaging lens group, the optical fiber can be used for leading the near infrared light source and the visible light source in the body into the lens and injecting the same into the part of the patient to be checked, the part of the patient to be checked is imaged on a photosensitive element through the imaging lens group or the optical fiber, the lens can be tightly connected with the body through a specially designed bayonet, the optical lens can be of various types, each lens can be used for checking one part of the body, such as fundus oculi, anterior segment, ear, nasal cavity, eye, skin and the like, Anterior segment spectacles, otoscopes, rhinoscopes, laryngoscopes, dermoscopes and the like;

the ophthalmoscope comprises a first lens group of the ophthalmoscope, a second lens group of the ophthalmoscope, a third lens group of the ophthalmoscope, a polarizer group and light guide fibers, wherein the polarizer group comprises an emergent polarizer and an incident polarizer, a plurality of near-infrared light emitting units and visible light emitting units are respectively and closely attached to a plurality of near-infrared unit light guide fibers and visible light emitting unit light guide fiber bundles in a one-to-one correspondence manner, the plurality of near-infrared light emitting units are lightened, an illumination light source is guided into the ophthalmoscope through the plurality of near-infrared light emitting unit light guide fiber bundles and is close to one side of the second lens group of the ophthalmoscope, the illumination light source is changed into linearly polarized light after passing through the emergent polarizer in a mode of deviating from an optical axis and is incident to the first lens group of the ophthalmoscope, the near-infrared illumination light source converged to the fundus can be a diffuse reflection light source and become partially depolarized light, and sequentially, After aqueous humor, pupils, crystalline lens and vitreous body, irradiating the fundus of the eye;

the light source module is guided into and is incident to a detected part in an ear through a light guide fiber, the detected part in the ear passes through an otoscope imaging light path of an otoscope, and the otoscope imaging light path comprises an otoscope first lens group, an otoscope second lens group and an otoscope third lens group and then images on a photosensitive element;

the light source module is guided into and is incident to a detected part of the nasal cavity through light guide fibers, the detected part of the nasal cavity passes through a rhinoscope imaging light path of a rhinoscope, and the rhinoscope imaging light path comprises a first rhinoscope lens group, a second rhinoscope lens group and a third rhinoscope lens group and then images on a photosensitive element;

the light source module is guided into and is injected into the detected part in the larynx through the light guide fiber, the detected part in the larynx passes through a laryngoscope imaging optical path of a laryngoscope, the laryngoscope imaging optical path comprises a laryngoscope imaging optical fiber, and then imaging is carried out on a photosensitive element;

the skin mirror imaging light path comprises a first lens group of a skin mirror and a second lens group of the skin mirror, and then images on a photosensitive element;

the light source module is guided into and is incident to the detected part of the anterior segment of the eye through a light guide fiber, the detected part of the anterior segment of the eye passes through an anterior segment lens imaging light path of an anterior segment lens, the anterior segment lens imaging light path comprises a first lens group of the anterior segment lens and a second lens group of the anterior segment lens, and then the first lens group and the second lens group of the anterior segment lens form an image on a photosensitive element;

the imaging lens group contained in the otoscope imaging light path, the rhinoscope imaging light path, the laryngoscope imaging light path, the dermatoscope imaging light path and the anterior segment lens imaging light path can be one group or a plurality of groups.

Preferably, the near infrared light emitting unit may be 1 or more LEDs (light emitting diodes) or LDs (laser diodes), or other light emitting devices.

Preferably, the visible light emitting unit may be 1 or more LEDs (light emitting diodes) or LDs (laser diodes), or other light emitting devices.

Preferably, the near-infrared light-emitting unit light-guiding fiber or the visible light-emitting unit light-guiding fiber may be a fiber bundle composed of 1 or more optical fibers, and the optical fiber may be a plastic optical fiber or a quartz optical fiber or any other medium capable of guiding light.

Preferably, the near-infrared light-emitting unit and the visible light-emitting unit are respectively and closely attached to the infrared light-emitting unit light-guiding fiber and the visible light-emitting unit light-guiding fiber, or the light beams are respectively focused and incident into the near-infrared light-emitting unit light-guiding fiber and the visible light-emitting unit light-guiding fiber through the converging lens.

The light source module is guided into and is injected into the detected part of the anterior segment of the eye through a light guide fiber, the detected part of the anterior segment of the eye passes through an anterior segment lens imaging light path of the anterior segment lens, and the anterior segment lens imaging light path comprises a first lens group of the anterior segment lens and a second lens group of the anterior segment lens and then forms an image on the photosensitive element 12.

Preferably, the near-infrared light emitting unit may be incident to 1 near-infrared light emitting unit light guide fiber or a near-infrared light emitting unit light guide fiber bundle composed of a plurality of near-infrared light emitting unit light guide fibers.

Preferably, the visible light emitting unit may be incident to 1 visible light emitting unit light guide fiber or a visible light emitting unit light guide fiber bundle composed of a plurality of visible light emitting unit light guide fibers.

Preferably, the photosensitive element can be moved in the optical axis direction of the imaging lens group in a manual or automatic manner for focusing.

Preferably, the handheld digital diagnostic system further comprises: the focusing driving module is used for manually or automatically driving the photosensitive element and the vision fixing lamp component to carry out focusing, the image processing and storage module is used for processing and storing the fundus images or videos acquired by the photosensitive element, the display module is used for displaying the fundus images or videos acquired by the photosensitive element, and the communication and power interface is used for connecting all components of the fundus camera and comprises data transmission and power input and output.

(III) advantageous effects

The utility model provides a but digital diagnostic system of hand-held type of camera lens possesses following beneficial effect:

the utility model discloses well light source system sets up in the fuselage to for a plurality of camera lenses share, the light source passes through the light guide fiber and incides to be detected the position in order to provide the illumination, and through imaging lens group or optic fibre with patient's inspection position formation of image photosensitive element on, use the leading-in light source of optic fibre and shine the patient and be examined the position, not only can make the light source in the fuselage can share, can also utilize the fine pliable and tough characteristics of optic fibre, make the volume control of camera lens littleer.

Drawings

Fig. 1 is a schematic diagram of one arrangement of the light-emitting units and the photosensitive elements in the body according to the embodiment of the present invention;

FIG. 2 is a schematic diagram of one of the fiber arrangements according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of one arrangement of the light emitting units and the optical fibers according to an embodiment of the present invention;

FIG. 4 is a schematic view of an asymmetrical arrangement of the light-emitting units and the light-sensing elements in the body according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of an asymmetric arrangement of optical fibers according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of an asymmetrical arrangement of light emitting units and optical fibers according to an embodiment of the present invention;

FIG. 7 is a schematic view of another arrangement of light-emitting units and light-sensing elements in a body according to an embodiment of the present invention;

FIG. 8 is a schematic view of one of another fiber bundle arrangement in an embodiment of the present invention (toward one end of the light source, multiple fibers are bundled together, and the other end is arranged around the optical axis);

fig. 9 is a schematic view of another arrangement of the light-emitting units and the optical fiber bundles according to the embodiment of the present invention (one light-emitting unit is tightly attached to one optical fiber bundle, facing one end of the light source, a plurality of optical fibers are bound together, and the other end is arranged around the optical axis);

fig. 10 is a schematic plan view of the combination of the ophthalmoscope and the body of the present invention;

fig. 11 is a 3D view of the combination of an ophthalmoscope and a body in an embodiment of the invention;

fig. 12 is a schematic plan view of an otoscope module and a body assembly according to an embodiment of the present invention;

fig. 13 is a 3D view of an otoscope module and a body assembly in accordance with an embodiment of the present invention;

FIG. 14 is a schematic plan view of a nosepiece module and a nosepiece body according to an embodiment of the present invention;

fig. 15 is a 3D view of the nose mirror module and the body in combination according to an embodiment of the present invention;

fig. 16 is a schematic plan view of a laryngoscope module in combination with a body according to an embodiment of the invention;

fig. 17 is a 3D view of the combination of a laryngoscope module and a body in an embodiment of the invention;

fig. 18 is a graph of the optical fiber distribution near the patient detection end of a laryngoscope module according to an embodiment of the invention;

FIG. 19 is a schematic plan view of the combination of the dermoscope module and the housing in an embodiment of the present invention;

FIG. 20 is a 3D view of the combination of the dermoscope module and the fuselage in an embodiment of the present invention;

fig. 21 is a schematic plan view of the anterior segment module and the body of the present invention;

fig. 22 is a 3D view of the anterior segment module and the body combined together in an embodiment of the present invention;

fig. 23 shows a lens end bayonet (male), a body end bayonet (female), and a connection manner of the lens end bayonet and the body end bayonet, respectively.

In the figure: 1. a body; 2. an optical lens; 3. the examined part of the patient; 11. a light source module; 11a, a near-infrared light emitting unit; 11b, a visible light emitting unit; 12. a photosensitive element; f. a light guide fiber; fa. A near-infrared light emitting unit light guide fiber; fb. A visible light emitting unit light guide fiber; fA. A near-infrared light-emitting unit light-guiding fiber bundle; fB. A visible light emitting unit light guide fiber bundle; 21. a fundoplication lens; 211. a first lens group of a ophthalmoscope; 212. a fundus second lens group; 213. a third lens group of a ophthalmoscope; 214. a set of polarizers; 2141. an emergent polarizing plate; 2142. an incident polarizing plate; 31. an eye; 311. a cornea; 312. aqueous humor; 313. a pupil; 314. a lens; 315. a glass body; 316. fundus oculi; l1, illumination source; l2, diffuse reflection light source; OA, optical axis; 22. an otoscope; 22i, otoscope imaging optical path; 221. an otoscope first lens group; 222. an otoscope second lens group; 223. an otoscope third lens group; 32. a detected site in the ear; 23. a rhinoscope; 23i, a rhinoscope imaging optical path; 231. a first nosepiece assembly; 232. a second nosepiece set; 233. a third lens group of a rhinoscope; 33. the detected part of the nasal cavity; 24. a laryngoscope; 24i, a laryngoscope imaging optical path; 241. a laryngoscope imaging fiber; 34. the detected part in the larynx; 25. a dermoscope; 25i, a skin mirror imaging optical path; 251. a first set of dermoscopic lenses; 252. a second set of dermoscopic lenses; 35. a skin detection site; 26. anterior segment of the eye; 26i, an anterior segment lens imaging optical path; 261. a first lens group of an anterior segment lens; 262. a second lens group of an anterior segment lens; 36. the anterior segment is detected at the site.

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 to 9, the light source module 11 and the photosensitive element 12 in the body 1 according to the embodiment of the present invention are arranged in a manner and connected to the optical fiber.

The utility model discloses a fuselage 1 of embodiment includes near-infrared light emitting unit 11a, visible light emitting unit 11b, photosensitive element 12.

Fig. 1 is a schematic view showing a plurality of near-infrared light emitting units 11a and a plurality of visible light emitting units 11b arranged annularly around the center of a photosensitive element 12 in a body 1.

Fig. 2 is a schematic diagram of a plurality of near-infrared light emitting unit light guide fiber bundles fA and a plurality of visible light emitting units 11b arranged in a ring, wherein the infrared light emitting unit light guide fibers fA and the plurality of visible light emitting units 11b are both installed in an optical lens 2 (such as an ophthalmoscope 21, an otoscope 22, a rhinoscope 23, a laryngoscope 24, a dermoscope 25, a front segment ophthalmoscope 26, etc.), are integrated with the optical lens, and guide the light beams of the near-infrared light emitting unit 11a and the visible light emitting unit 11b to the examined part 3 of the patient respectively.

Fig. 3 is a schematic diagram of a plurality of near-infrared light-emitting units 11a, a plurality of visible light-emitting units 11b, a plurality of near-infrared light-emitting unit light-guiding fiber bundles fA, and a plurality of visible light-emitting unit light-guiding fiber bundles fB annularly arranged around the photosensitive element 12, wherein the near-infrared light-emitting units 11a and the near-infrared light-emitting unit light-guiding fiber bundles fA, the visible light-emitting units 11b and the visible light-emitting unit light-guiding fiber bundles fB are in one-to-one correspondence and are tightly attached together.

Fig. 4 is a schematic diagram of a plurality of near-infrared light emitting units 11a and a plurality of visible light emitting units 11b in the main body 1 arranged asymmetrically on one side of the photosensitive element 12.

Fig. 5 is a schematic diagram of a plurality of near-infrared light emitting unit light guide fiber bundles fA and a plurality of visible light emitting units 11b arranged asymmetrically, wherein the infrared light emitting unit light guide fibers fA and the plurality of visible light emitting units 11b are both installed in an optical lens 2 (such as an ophthalmoscope 21, an otoscope 22, a rhinoscope 23, a laryngoscope 24, a dermoscope 25, a front segment ophthalmoscope 26, etc.), and are integrated with the optical lens, and the light beams of the near-infrared light emitting unit 11a and the visible light emitting unit 11b are respectively guided to the examined part 3 of the patient.

Fig. 6 is a schematic diagram of a plurality of near-infrared light-emitting units 11a, a plurality of visible light-emitting units 11b, a plurality of near-infrared light-emitting unit light-guiding fiber bundles fA, and a plurality of visible light-emitting unit light-guiding fiber bundles fB asymmetrically arranged on one side of the photosensitive element 12, wherein the near-infrared light-emitting units 11a and the near-infrared light-emitting unit light-guiding fiber bundles fA, the visible light-emitting units 11b and the visible light-emitting unit light-guiding fiber bundles fB are in one-to-one correspondence and are tightly attached together.

Fig. 7 is a schematic view showing that 1 or more near-infrared light emitting units 11a and 1 or more visible light emitting units 11b in the body 1 are arranged annularly around the center of the photosensitive element 12.

Fig. 8 is a schematic diagram of a ring arrangement of 1 or more near-infrared light emitting unit light guide fiber bundles fA and 1 or more visible light emitting units 11b, where the near-infrared light emitting unit light guide fiber bundles fA and the visible light emitting units 11b are all installed in an optical lens 2 (such as an ophthalmoscope 21, an otoscope 22, a rhinoscope 23, a laryngoscope 24, a dermoscope 25, an anterior segment 26, etc.), the near-infrared light emitting unit light guide fiber bundles fA are composed of at least 1 near-infrared light emitting unit light guide fiber fA, and similarly, the visible light emitting unit light guide fiber bundles fB are composed of at least 1 visible light emitting unit light guide fiber fB and are integrated with the optical lens, and guide the light beams of the near-infrared light emitting unit 11a and the visible light emitting unit 11b to the examined region 3 of the patient, respectively.

Fig. 9 is a schematic view of 1 or more near-infrared light-emitting units 11a, 1 or more visible light-emitting units 11b and 1 or more near-infrared light-emitting unit light-guiding fiber bundles fA, 1 or more visible light-emitting unit light-guiding fiber bundles fB annularly arranged around the photosensitive element 12, wherein the near-infrared light-emitting units 11a and the near-infrared light-emitting unit light-guiding fiber bundles fA, and the visible light-emitting units 11b and the visible light-emitting unit light-guiding fiber bundles fB are in one-to-one correspondence and are tightly attached together.

Fig. 13 is a schematic arrangement diagram of 1 near-infrared light-emitting unit light-guiding fiber bundle fA and 1 visible light-emitting unit light-guiding fiber bundle fB, where the near-infrared light-emitting unit light-guiding fiber bundle fA and the visible light-emitting unit light-guiding fiber bundle fB are respectively composed of at least 1 near-infrared light-emitting unit light-guiding fiber bundle fA and 1 visible light-emitting unit light-guiding fiber bundle fB, and a portion between the near-infrared light-emitting unit 11a and the near-infrared light-emitting unit light-guiding fiber bundle fA, and a portion between the visible light-emitting unit 11b and the visible light-emitting unit light-guiding fiber bundle fB can be guided by focusing of a focusing lens; the light beams can be focused and guided between the near-infrared light-emitting unit 11a and the near-infrared light-emitting unit light guide fiber bundle fA, and between the visible light-emitting unit 11b and the visible light-emitting unit light guide fiber bundle fB via a condensing lens.

Example 1:

referring to fig. 10, the fundus camera according to an embodiment of the present invention includes a body 1 and a funduscopic mirror 21, wherein the body 1 includes a near-infrared light emitting unit 11a, a visible light emitting unit 11b, and a photosensitive element 12; the ophthalmoscope 21 includes a first lens group 211, a second lens group 212, a third lens group 213, a polarizer group 214 (an exit polarizer 2141, an entrance polarizer 2142), and a light guide fiber f (a near infrared light emitting unit light guide fiber bundle fA, a visible light emitting unit light guide fiber bundle fB).

The polarizer set 214 is formed by splicing the exit polarizer 2141 and the incident polarizer 2142 or more than two polarizers, and the polarization directions are perpendicular to each other, as shown in fig. 3, but the shapes are not limited to the cases shown in the figures, and any shape with perpendicular polarization directions formed by splicing two or more than two polarizers is within the scope of the present invention.

The photosensitive element 12 may be a CCD or a CMOS.

The near-infrared light emitting unit 11a and the visible light emitting unit 11b may be LEDs (light emitting diodes) or LDs (laser diodes).

The body 1 and the ophthalmoscope 21 are closely connected through a specially designed bayonet, the plurality of near-infrared light emitting units 11a and the visible light emitting unit 11b are respectively closely attached to the plurality of near-infrared unit light guide fibers fA and the visible light emitting unit light guide fiber bundle fB in a one-to-one correspondence manner, as shown in fig. 2 and fig. 6, the plurality of near-infrared light emitting units 11a are firstly turned on, the illumination light source L1 is guided into the ophthalmoscope 21 through the plurality of near-infrared light emitting unit light guide fiber bundles fA, and the illumination light source L1 is turned into linearly polarized light by an emergent polarizing plate 2141 close to one side of the second lens group 212 of the ophthalmoscope in a manner of deviating from an optical axis OA, and then the linearly polarized light is incident on the first lens group 211 of the ophthalmoscope, and then passes through the first lens group 211 of the ophthalmoscope, a cornea 311, aqueous humor 312, a pupil 313, a crystalline lens 314 and a.

The near-infrared illumination light source L1 converged on the fundus 316 becomes a diffuse reflection light source L2, becomes partially depolarized light, then passes through the vitreous body 315, the crystalline lens 314, the pupil 313, the aqueous humor 312, the cornea 311, and the first lens group 211 of the ophthalmoscope in sequence, and is incident on the incident polarizer 2142, only the completely depolarized light or the partially depolarized light can pass through the incident polarizer 2142, and then passes through the second lens group 212 of the ophthalmoscope and the third lens group 213 of the ophthalmoscope in sequence, and finally reaches the photosensitive element 12, so that most of the stray light can be cut off outside the incident polarizer 2142, and the signal-to-noise ratio of the photosensitive element 12 is greatly improved.

When the image from the fundus 316 is acquired by the photosensitive element 12, which may be unclear, the photosensitive element 12 may be manually or automatically adjusted in focus until a relatively clear image is obtained, the visible light emitting unit 11b is immediately started, the visible LED light guide fiber fB closely attached to the visible light emitting unit 11b guides the illumination light source L1 into the ophthalmoscope 21, and the illumination light source L1 is close to one side of the second lens group 212 of the ophthalmoscope, passes through the first lens group 211 of the ophthalmoscope, the cornea 311, the aqueous humor 312, the pupil 313, the crystalline lens 314 and the vitreous body 315 in a manner of deviating from the optical axis OA, and finally irradiates the fundus 316 of the eye 31.

The visible light source L1 converged on the fundus 316 becomes a diffuse reflection light source L2, becomes partially depolarized light, then passes through the vitreous body 315, the crystalline lens 314, the pupil 313, the aqueous humor 312, the cornea 311, and the bottom-of-eye mirror first lens group 211 in sequence, and is incident on the incident polarizer 2142, only the completely depolarized light can pass through the incident polarizer 2142, then passes through the bottom-of-eye mirror second lens group 212 and the bottom-of-eye mirror third lens group 213 in sequence, and finally reaches the photosensitive element 12 to form required image information, so that most of stray light can be blocked outside the incident polarizer 2142, and the signal-to-noise ratio of the photosensitive element 12 can be greatly improved.

In this embodiment, the arrangement of the light source module 11 and the light sensing element 12 and the arrangement of the optical fibers in the main body 1 may be as shown in fig. 3, fig. 6, fig. 9, or other modifications.

Example 2:

referring to fig. 12-13, in an embodiment of the optical path schematic diagram of the otoscope 22 of the present invention, the light source module 11 is guided into the detected portion 32 through the light guide fiber fa, and the detected portion 32 is imaged on the photosensitive element 12 through the otoscope imaging optical path 22i (e.g. the otoscope first lens set 221, the otoscope second lens set 222, and the otoscope third lens set 223) of the otoscope 22.

Example 3:

referring to fig. 14-15, in an embodiment of the optical path schematic diagram of the rhinoscope 23 of the present invention, the light source module 11 is guided into the nasal cavity by the light guide fiber fa and is incident to the detected portion 33 of the nasal cavity, and the detected portion 33 of the nasal cavity is imaged on the photosensitive element 12 through the rhinoscope imaging optical path 23i (e.g. the first lens set 231, the second lens set 232, and the third lens set 233 of the rhinoscope) of the rhinoscope 23.

Example 4:

referring to fig. 16-18, fig. 16-17 are schematic diagrams of an optical path of the laryngoscope 24 according to an embodiment of the present invention, the light source module 11 is guided through the light guide fiber fa and is incident to the detected portion 34 in the larynx, and the detected portion 34 in the larynx forms an image on the photosensitive element 12 through the laryngoscope imaging optical path 24i (laryngoscope imaging optical fiber 241) of the laryngoscope 24, wherein fig. 18 is an optical fiber distribution diagram of a patient detection end of the laryngoscope 24 according to an embodiment of the present invention.

Example 5:

referring to fig. 19-20, in an embodiment of the present invention, the light path of the skin mirror 25 is schematically illustrated, the light source module 11 is guided into the detected skin portion 35 through the light guide fiber fa, and the detected skin portion 35 is imaged on the photosensitive element 12 through the skin mirror imaging light path 25i (e.g. the first lens group 251 of the skin mirror and the second lens group 252 of the skin mirror) of the skin mirror 25.

Example 6:

referring to fig. 21-22, in an embodiment of the optical path schematic diagram of the anterior ocular segment 26 of the present invention, the light source module 11 is guided into the detected portion 36 of the anterior ocular segment through the light guide fiber fa, and the detected portion 36 of the anterior ocular segment forms an image on the photosensitive element 12 through the imaging optical path 26i (e.g. the first lens set 261 of the anterior ocular segment and the second lens set 262 of the anterior ocular segment) of the anterior ocular segment 26.

The arrangement of the light source module 11 and the light guide fiber f (the near-infrared light emitting unit light guide fiber bundle fA and the visible light emitting unit light guide fiber bundle fB) in fig. 12-22 is suitable for the cases of fig. 1-9.

In the above-described embodiments, the imaging lens groups included in the otoscope imaging optical path 22i, the rhinoscope imaging optical path 23i, the laryngoscope imaging optical path 24i, the dermatoscope imaging optical path 25i, and the anterior segment imaging optical path 26i may have one or more groups. The above embodiments only list some common lenses, and in the framework scope based on this patent, any other lenses with new applications are within the protection scope of this patent, and the diagnosis of other lenses without parts listed in the human body is also within the protection scope of the present invention.

Fig. 23 is a schematic view showing the connection between the lens end mount (male) M1 and the body end mount (female) M2, and one of the lenses is connected to the body by rotation.

In addition, the present patent is not limited to the mode of connecting the lens and the body as illustrated in fig. 23, and any mode of connecting the lens and the body by other design is within the protection scope of the present patent.

The utility model discloses an appearance both can design the hand-held type digital diagnostic system for interchangeable lens, also can design the desktop type digital diagnostic system for interchangeable lens.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 (9)

1. A handheld digital diagnostic system with replaceable lens, comprising a body and at least one optical lens, characterized in that: the fuselage contains the light source module, and this light source module is general module, contains near infrared light source or visible light source, and the leading-in and illumination of optic fibre in the accessible optical lens is examined the position in order to provide the illumination by the patient, optical lens contains optical fiber and imaging lens group, and optical fiber can be used for leading-in near infrared light source or visible light source in the fuselage to the camera lens in and inciting to patient's inspection position to image the patient inspection position on photosensitive element through imaging lens group or optic fibre, the external fixed surface of fuselage installs fuselage end bayonet socket, and the external fixed surface of this camera lens installs lens end bayonet socket, and this camera lens can be in the same place through specially designed bayonet socket zonulae occludens with the fuselage, and this optical lens can the multiple type, and every camera lens can examine a position of health, such as fundus, anterior segment of eye, in the ear, nasal cavity, can the umbellat, Skin.

2. An interchangeable lens handheld digital diagnostic system according to claim 1, characterized in that: the near infrared light emitting unit included in the body may be 1 or more LEDs or LDs.

3. An interchangeable lens handheld digital diagnostic system according to claim 1, characterized in that: the visible light emitting unit included in the body may be 1 or more LEDs or LDs.

4. An interchangeable lens handheld digital diagnostic system according to claim 1, characterized in that: any one of the near-infrared light-emitting unit light-guiding fibers or visible light-emitting unit light-guiding fibers included in the optical lens may be a fiber bundle composed of 1 or more optical fibers, and the optical fibers may be plastic fibers or quartz fibers.

5. An interchangeable lens handheld digital diagnostic system according to claim 1, characterized in that: near-infrared light emitting unit, visible light emitting unit that contain in the fuselage hug closely any one respectively near-infrared light emitting unit light guide fiber, visible light emitting unit light guide fiber that optical lens contained, or through any one the aforesaid the camera lens in increase convergent lens with the light beam focus respectively incite near-infrared light emitting unit light guide fiber, visible light emitting unit light guide fiber in.

6. An interchangeable lens handheld digital diagnostic system according to claim 1, characterized in that: the near-infrared light-emitting unit in the camera body can be incident to 1 near-infrared light-emitting unit light-guiding fiber in any one of the lenses or a near-infrared light-emitting unit light-guiding fiber bundle consisting of a plurality of near-infrared light-emitting unit light-guiding fibers.

7. An interchangeable lens handheld digital diagnostic system according to claim 1, characterized in that: the visible light emitting unit in the camera body can enter 1 visible light emitting unit light guide fiber in any one of the lenses or a visible light emitting unit light guide fiber bundle consisting of a plurality of visible light emitting unit light guide fibers.

8. An interchangeable lens handheld digital diagnostic system according to claim 1, characterized in that: the photosensitive element in the machine body can be manually or automatically moved along the optical axis direction of the imaging lens group for focusing.

9. An interchangeable lens handheld digital diagnostic system according to claim 1, characterized in that: the handheld digital diagnostic system further comprises: the focusing driving module is used for manually or automatically driving the photosensitive element and the vision fixing lamp component to carry out focusing, the image processing and storage module is used for processing and storing the fundus images or videos acquired by the photosensitive element, the display module is used for displaying the fundus images or videos acquired by the photosensitive element, and the communication and power interface is used for connecting all components of the fundus camera and comprises data transmission and power input and output.

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