阅读说明：本技术 一种眼科眼底检查装置 (Ophthalmology eye ground inspection device ) 是由 秦嘉 安林 于 2021-10-29 设计创作，主要内容包括：本发明提供一种眼科眼底检查装置,包括底座,所述底座上活动设置有移动板,所述移动板上固定安装有保护罩体,所述安装孔内固定安装有T型固定台,所述T型固定台内活动插设有升降杆,所述升降杆上部固定安装有头托,所述观察孔封闭装置包括液压缸推动环,所述液压缸推动环外侧环形阵列式安装有若干伸缩缸,所述伸缩缸内均活动插设有伸缩活塞,所述伸缩活塞远离液压通孔一端固定安装有L型连杆,本发明通过罩体将OCT设备进行防护,当患者进入观察台时,自动进行镜头的打开,患者检查完毕后自动关闭,大大提高了OCT设备和镜头的防护效能,同时遮挡片不仅能够进行OCT镜头的遮挡,还能在患者眼底检查时进行眼球的固定,保证了检查结果的准确性。(The invention provides an ophthalmological fundus examination device, which comprises a base, wherein a movable plate is movably arranged on the base, a protective cover body is fixedly arranged on the movable plate, a T-shaped fixed table is fixedly arranged in a mounting hole, a lifting rod is movably inserted in the T-shaped fixed table, a head support is fixedly arranged at the upper part of the lifting rod, a viewing hole closing device comprises a hydraulic cylinder pushing ring, a plurality of telescopic cylinders are annularly and arrayed on the outer side of the hydraulic cylinder pushing ring, telescopic pistons are movably inserted in the telescopic cylinders, and an L-shaped connecting rod is fixedly arranged at one end of each telescopic piston, which is far away from a hydraulic through hole, the eyeball can be fixed during fundus examination of a patient, and the accuracy of an examination result is guaranteed.)

1. An ophthalmic fundus inspection apparatus includes a base (1), characterized in that: the OCT imaging system is characterized in that a movable plate (2) is movably arranged on the base (1), a protective cover body (3) is fixedly arranged on the movable plate (2), an OCT body is arranged in the protective cover body (3), and an observation hole (5) for the OCT lens (4) to come in and go out is formed in one side of the protective cover body (3);

the base (1) is located one side of an observation hole (5) and is fixedly provided with a head positioning frame (6), the bottom of the head positioning frame (6) is penetrated through and provided with a mounting hole (7), a T-shaped fixed platform (8) is fixedly arranged in the mounting hole (7), a lifting rod (9) is movably inserted in the T-shaped fixed platform (8), a head support (10) is fixedly arranged on the upper portion of the lifting rod (9), a piston (11) is fixedly arranged on one side, away from the head support (10), of the lifting rod (9), the piston (11) is movably arranged in the T-shaped fixed platform (8), the head support (10) is connected with the T-shaped fixed platform (8) through a spring air bag (12), a liquid channel (13) communicated with the bottom of the T-shaped fixed platform (8) is arranged on the base (1), one end, away from the T-shaped fixed platform (8), of the liquid channel (13) is communicated with the liquid channel (13) in the protective cover body (3) through a flexible pipe (14), an installation groove (15) is formed in the outer side of the observation hole (5), and an observation hole sealing device (16) is fixedly installed in the installation groove (15);

the observation hole sealing device (16) comprises a hydraulic cylinder pushing ring (17), a plurality of telescopic cylinders (18) are annularly arranged on the outer side of the hydraulic cylinder pushing ring (17) in an array manner, the hydraulic cylinder pushing ring (17) is provided with a hydraulic through hole (19) communicated with the bottom of the telescopic cylinder (18), telescopic pistons (20) are movably inserted in the telescopic cylinders (18), an L-shaped connecting rod (21) is fixedly installed at one end of each telescopic piston (20) far away from the hydraulic through hole (19), observation hole closing plates (22) are fixedly arranged on the L-shaped connecting rods (21), a plurality of observation hole closing plates (22) are spliced to form a disc-shaped shielding area for shielding the observation holes (5) in a sealing way, the hydraulic pushing ring (17) is provided with a liquid inlet hole (23) communicated with a liquid channel (13) in the protective cover body (3), and the observation hole closing plates (22) are provided with vision fixing lamps (24).

2. An ophthalmic fundus inspection apparatus according to claim 1, characterized in that: the spring air bags (12) are respectively arranged on two sides of the T-shaped fixed table (8).

3. An ophthalmic fundus inspection apparatus according to claim 2, characterized in that: both sides set up intake duct (25) with spring air bag (12) bottom intercommunication on T type fixed station (8), air duct (26) intercommunication that spring air bag (12) one side and head locating rack (6) set up are kept away from in intake duct (25), both sides T type fixed station (8) one end is kept away from in air duct (26) and is communicated with extrusion gasbag (27) that head mount (6) inboard is connected respectively, both sides head mount (6) one end is kept away from in extrusion gasbag (27) all is connected with head locating plate (28).

4. An ophthalmic fundus inspection apparatus according to claim 3, characterized in that: the head positioning plates (28) on the two sides are also fixedly provided with limiting rods (29), and the limiting rods (29) are movably inserted into through holes formed in the head positioning plates (28).

5. An ophthalmic fundus inspection apparatus according to claim 1, characterized in that: a limiting ring (30) is fixedly mounted in the T-shaped fixing table (8), and the lifting rod (9) is movably inserted in the limiting ring (30).

Technical Field

The invention relates to the technical field of medical OCT (optical coherence tomography) fundus examination devices, in particular to an ophthalmologic fundus examination device.

Background

Optical Coherence Tomography (OCT) is a high-resolution biomedical imaging means developed in recent years, which is based on the principle of optical interference, obtains the internal structure of a biological tissue by measuring the intensity and phase of back-scattered light of the biological tissue to perform tomography, can realize non-contact and non-invasive biopsy of the biological tissue, is directly used for biological tissue imaging, is mainly used for early detection of ophthalmic diseases, and becomes a research hotspot and development direction of modern medical electronic instruments;

an apparatus for observing an eye of prior art application No. CN200880016048.4 comprises an imaging device provided with a magnifying unit having an objective lens for receiving observation light from the eye and an observation unit, the apparatus comprising an OCT system comprising an OCT light source for emitting OCT light and splitting means for splitting the OCT light into a reference beam and a sample beam, the OCT system comprising transmission means for guiding the sample beam from the splitting means via the objective lens to the eye, the OCT system comprising an OCT module detachably connected between the magnifying unit and the observation unit.

However, the above-mentioned eye observation device still has obvious defects in the use process: 1. the device is arranged in a naked mode, and because the optical coherence tomography component is a precise component, the imaging definition of the optical coherence tomography component is easily influenced by dust adhesion after the lens is exposed in the air for a long time, so that the OCT equipment in the prior art needs to be subjected to dustproof treatment when the OCT equipment is idle, and the operation is easily influenced by human, so that the phenomena of improper dustproof, instrument damage and the like are caused; 2. present OCT often needs patient's eyeball stable in inspection process to guarantee measuring result's accuracy, and face the unable stable patient of eyeball rotation, need utilize the firm sight lamp to assist and carry out eyeball fixed, the firm sight lamp among the prior art is the structure that can be bent at will, and accommodation process is comparatively loaded down with trivial details, and accommodation process is comparatively difficult.

Disclosure of Invention

An object of the present invention is to provide an ophthalmologic fundus inspection apparatus to solve the problems set forth in the above background art.

In order to achieve the purpose, the invention provides the following technical scheme:

an ophthalmologic fundus examination device comprises a base, wherein a movable plate is movably arranged on the base, a protective cover body is fixedly arranged on the movable plate, an OCT body is arranged in the protective cover body, and an observation hole for an OCT lens to come in and go out is formed in one side of the protective cover body;

the base is fixedly provided with a head positioning frame at one side of the observation hole, the bottom of the head positioning frame is provided with a mounting hole in a penetrating manner, a T-shaped fixed table is fixedly arranged in the mounting hole, a lifting rod is movably inserted in the T-shaped fixed table, the upper part of the lifting rod is fixedly provided with a head support, one side, away from the head support, of the lifting rod is fixedly provided with a piston, the piston is movably arranged in the T-shaped fixed table, the head support is connected with the T-shaped fixed table through a spring air bag, the base is provided with a liquid channel communicated with the bottom of the T-shaped fixed table, one end, away from the T-shaped fixed table, of the liquid channel is communicated with a liquid channel in the protective cover through a flexible pipe, the outer side of the observation hole is provided with a mounting groove, and an observation hole sealing device is fixedly arranged in the mounting groove;

observe hole closing device includes pneumatic cylinder propelling movement ring, pneumatic cylinder propelling movement ring outside annular array installs a plurality of telescoping cylinders, set up the hydraulic pressure through-hole with telescoping cylinder bottom intercommunication on the pneumatic cylinder propelling movement ring, equal movable insert is equipped with telescopic piston in the telescoping cylinder, telescopic piston keeps away from hydraulic pressure through-hole one end fixed mounting has L type connecting rod, equal fixed mounting has the observation hole closing plate on the L type connecting rod, and is a plurality of observe the hole closing plate concatenation and form the disc and shelter from the region be used for with observe the hole and seal and shelter from, set up the feed liquor hole with the internal liquid channel intercommunication of safety cover on the hydraulic pressure propelling movement ring, it is a plurality of all be provided with the solid lamp on the observation hole closing plate.

Preferably, the spring airbags are respectively arranged on two sides of the T-shaped fixed table.

Preferably, both sides set up the intake duct with spring air bag bottom intercommunication on the T type fixed station, the intake duct is kept away from spring air bag one side and is set up the air flue intercommunication in the head locating rack, both sides the air flue is kept away from T type fixed station one end and is connected with the inboard extrusion gasbag intercommunication of being connected of head mount respectively, both sides head mount one end is kept away from to the extrusion gasbag all is connected with the head locating plate.

Preferably, the head positioning plates on the two sides are also fixedly provided with limiting rods, and the limiting rods are movably inserted into through holes formed in the head positioning plates.

Preferably, a limiting ring is fixedly installed in the T-shaped fixing table, and the lifting rod is movably inserted in the limiting ring.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the OCT equipment is protected by the cover body, when a patient enters the observation table, the lens is automatically opened, and the patient is automatically closed after the examination is finished, so that the protection efficiency of the OCT equipment and the lens is greatly improved, the service life is prolonged, and meanwhile, the definition of fundus examination is ensured;

2. the shielding sheet can shield an OCT lens, and is provided with the vision fixing lamps radially arranged along the lens, so that eyeballs can be fixed during fundus examination of a patient, and the accuracy of an examination result is guaranteed.

According to the invention, the OCT equipment is protected by the cover body, when a patient enters the observation table, the lens is automatically opened, and the patient is automatically closed after the examination is finished, so that the protection efficiency of the OCT equipment and the lens is greatly improved, meanwhile, the shielding piece can not only shield the OCT lens, but also fix eyeballs during the fundus examination of the patient, and the accuracy of the examination result is ensured.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a schematic view of the closed state of the sight glass closing plate of the present invention;

FIG. 3 is a schematic view of the view port closing plate of the present invention in an open state;

FIG. 4 is an enlarged view of the area A of the present invention;

FIG. 5 is a schematic view of the overall structure of the viewport sealing device of the invention;

fig. 6 is a schematic view of the connecting structure of the telescopic cylinder of the present invention.

In the figure: the device comprises a base 1, a moving plate 2, a protective cover 3, an OCT lens 4, an observation hole 5, a head positioning frame 6, a mounting hole 7, an 8T-shaped fixed table, a lifting rod 9, a head support 10, a piston 11, a spring air bag 12, a liquid channel 13, a flexible tube 14, a mounting groove 15, an observation hole sealing device 16, a hydraulic cylinder pushing ring 17, a telescopic cylinder 18, a hydraulic through hole 19, a telescopic piston 20, a connecting rod 21L, an observation hole sealing plate 22, a liquid inlet hole 23, a fixation lamp 24, an air inlet channel 25, an air channel 26, an extrusion air bag 27, a head positioning plate 28, a limiting rod 29 and a limiting ring 30.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1-6, the present invention provides a technical solution:

an ophthalmologic fundus examination device comprises a base 1, wherein a movable plate 2 is movably arranged on the base 1, a protective cover body 3 is fixedly arranged on the movable plate 2, an OCT (optical coherence tomography) body is arranged in the protective cover body 3, and an observation hole 5 for an OCT lens 4 to come in and go out is formed in one side of the protective cover body 3;

the OCT lens system comprises an OCT lens 4, a base plate 2 and a protective cover body 3, wherein the OCT lens 4 is arranged in the protective cover body 3, so that the protective cover body 3 can protect the OCT lens and prevent particulate matters such as dust and the like in the air from damaging the OCT lens;

a head positioning frame 6 is fixedly arranged on one side of the base 1, which is positioned at the observation hole 5, a mounting hole 7 is formed in the bottom of the head positioning frame 6 in a penetrating manner, a T-shaped fixing table 8 is fixedly arranged in the mounting hole 7, a lifting rod 9 is movably inserted in the T-shaped fixing table 8, a head support 10 is fixedly arranged on the upper portion of the lifting rod 9, a piston 11 is fixedly arranged on one side, which is far away from the head support 10, of the lifting rod 9, the piston 11 is movably arranged in the T-shaped fixing table 8, the head support 10 is connected with the T-shaped fixing table 8 through a spring air bag 12, a liquid channel 13 communicated with the bottom of the T-shaped fixing table 8 is formed in the base 1, one end, which is far away from the T-shaped fixing table 8, of the liquid channel 13 is communicated with a liquid channel 13 in the protective cover body 3 through a flexible pipe 14, a mounting groove 15 is formed in the outer side of the observation hole 5, and an observation hole closing device 16 is fixedly arranged in the mounting groove 15;

when a patient needs to perform fundus examination, the chin is placed on the head support 10, the lifting rod 9 and the piston 11 are pressed downwards by the weight of the head, so that hydraulic oil filled at the bottom of the T-shaped fixing table 8 is finally conveyed into the observation hole closing device 16 through the liquid channel 13 of the base 1 and the flexible pipe 14, the opening and closing of the observation hole closing device 16 are controlled, the automatic opening and closing of the observation hole 5 are realized by the mode, and the spring air bag 12 is used for pushing the head support 10 to one side far away from the T-shaped fixing table 8 under the effect of no external force, so that the lifting rod 9 and the piston 11 are promoted to reset;

the observation hole sealing device 16 comprises a hydraulic cylinder pushing ring 17, a plurality of telescopic cylinders 18 are annularly arranged outside the hydraulic cylinder pushing ring 17 in an array mode, hydraulic through holes 19 communicated with the bottoms of the telescopic cylinders 18 are formed in the hydraulic cylinder pushing ring 17, telescopic pistons 20 are movably inserted in the telescopic cylinders 18, L-shaped connecting rods 21 are fixedly installed at the ends, away from the hydraulic through holes 19, of the telescopic pistons 20, observation hole sealing plates 22 are fixedly installed on the L-shaped connecting rods 21, the observation hole sealing plates 22 are spliced to form a disc-shaped shielding area for sealing and shielding the observation holes 5, liquid inlet holes 23 communicated with liquid channels 13 in the protective cover body 3 are formed in the hydraulic pushing ring 17, and fixed-view lamps 24 are arranged on the observation hole sealing plates 22;

in the process of pressing the head support 10 together with the lifting rod 9 and the piston 11 downwards by the weight of the head, hydraulic oil enters the hydraulic cylinder pushing ring 17 through the liquid channel 13 formed in the protective cover body 3 and enters the telescopic cylinder 18 through the hydraulic through hole 19, the hydraulic oil pushes the telescopic piston 20 in the telescopic cylinder 18 to move towards the side far away from the hydraulic through hole 19, and then the observation hole closing plate 22 is driven to move outwards, so that the closed observation hole 5 is opened, after the fundus examination is finished, the observation hole closing plates 22 are mutually folded to shield the observation hole 5, when the patient performs the fundus examination, the OCT lens 4 is extended out through the observation hole 5, and at the moment, the fixation lamp 24 arranged on the observation hole closing plate 22 can guide the examiner to perform eyeball positioning in different directions, so as to ensure the accuracy of the examination result.

Preferably, the spring airbags 12 are respectively arranged on both sides of the T-shaped fixing table 8.

Preferably, an air inlet channel 25 communicated with the bottom of the spring air bag 12 is formed in the T-shaped fixing platforms 8 on the two sides, the air inlet channel 25 is far away from one side of the spring air bag 12 and communicated with an air channel 26 arranged in the head positioning frame 6, the air channels 26 on the two sides are far away from one end of the T-shaped fixing platform 8 and communicated with an extrusion air bag 27 connected with the inner side of the head fixing frame 6 respectively, the extrusion air bags 27 on the two sides are far away from one end of the head fixing frame 6 and connected with a head positioning plate 28, in the compression process of the pressurization air bags 27, air enters the extrusion air bags 27 through the air channel 25, the head positioning plate 28 is driven through expansion of the extrusion air bags 27 to clamp and fix the two sides of the head, and the stability of the head in the fundus examination process is further improved.

Preferably, the head positioning plates 28 on the two sides are further fixedly provided with a limiting rod 29, the limiting rod 29 is movably inserted into a through hole formed in the head positioning plate 28, and the head positioning plate 28 cannot deviate due to the limiting arrangement of the limiting rod 29.

Preferably, a limiting ring 30 is fixedly installed in the T-shaped fixing table 8, the lifting rod 9 is movably inserted into the limiting ring 30, and the limiting ring 30 limits excessive lifting of the lifting rod 9, so as to prevent the lifting rod 9 from separating from the T-shaped fixing table 8.

The working principle is as follows: when a patient needs fundus examination, the head of the patient enters a space formed by the head positioning frame 6, the chin of the patient is abutted against the head support 10, at the moment, under the action of the head gravity, the head support 10, the lifting rod 9 and the piston 11 are pressed downwards, so that hydraulic oil filled at the bottom of the T-shaped fixing table 8 is finally conveyed into the hydraulic cylinder pushing ring 17 through the liquid channel 13 of the base 1 through the flexible pipe 14, the hydraulic oil enters the telescopic cylinder 18 through the hydraulic through hole 19, the hydraulic oil pushes the telescopic piston 20 to move towards the side far away from the hydraulic through hole 19 in the telescopic cylinder 18, the observation hole sealing plate 22 is further driven to move outwards, the closed observation hole 5 is opened, at the moment, the OCT lens 4 is pushed towards the side near the observation hole 5, the OCT lens 4 is extended out from the observation hole 5, the fundus of the patient is examined, and synchronously, the head support 10 descends to drive the spring air bag 12 to contract, at this moment, gas enters the extrusion air bag 27 through the air inlet channel 25 and the air channel 26, so that two sides of the head part are fixed, in addition, in the process of fundus examination of a patient, the fixation lamps 24 constant quantity of different areas on the observation hole closing plate 22 are controlled, so that the patient is guided to change the eyeball position, the eyeball position of the patient is effectively positioned, so that the accuracy of an examination result is convenient, after the examination is finished, the OCT body is pushed to enter the protective cover body 3 together with the OCT lens 4, the head part of the patient leaves the head support 10 at the moment, under the action of restoring force of the spring air bag 12, the observation hole closing plate 22 is folded to close the observation hole 5, and the head positioning plate 28 is reset, so that the fundus examination process is completed.

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.