阅读说明：本技术 一种平躺式眼科光学观察支架 (Horizontal ophthalmic optical observation support ) 是由 刘登 于 2020-06-18 设计创作，主要内容包括：本发明公开了一种平躺式眼科光学观察支架,属于眼科医疗器械技术领域,包括固定座、转杆一、转杆二、转动关节、光学支架、调节装置、光学观察装置,转动调节轮调节的角度,调节轮转动带动调节螺杆转动,调节螺杆与转轮丝杆传动,转轮带动轴二转动,轴二转动带动锥齿轮二转动,锥齿轮二与锥齿轮一啮合传动,进而带动柱形套架转动,进而达到调节光学观察角度和固定光学观察装置的目的,本装置固定在病床上,且可拆卸,便于转移,主要应用在眼科手术时观察装置以及患者不能坐立时,提供的一种眼科观察支架,本装置使用便捷,操作简单。(The invention discloses a lying type ophthalmological optical observation support, which belongs to the technical field of ophthalmological medical instruments and comprises a fixed seat, a first rotating rod, a second rotating rod, a rotating joint, an optical support, an adjusting device and an optical observation device, wherein the angle adjusted by a rotating adjusting wheel drives an adjusting screw to rotate, the adjusting screw is in transmission with a rotating wheel screw rod, the rotating wheel drives a second shaft to rotate, the second shaft drives a second bevel gear to rotate, the second bevel gear is in meshing transmission with the first bevel gear, and then a cylindrical sleeve frame is driven to rotate, so that the purposes of adjusting the optical observation angle and fixing the optical observation device are achieved.)

1. A lying ophthalmic optical viewing frame, comprising: the optical observation device comprises a fixed seat (1), a first rotating rod (2), a second rotating rod (3), a rotating joint (4), an optical support (5), an adjusting device (6) and an optical observation device (7), wherein the lower end of the first rotating rod (2) is rotatably connected with the fixed seat (1), the second rotating rod (3) is rotatably connected with the first rotating rod (2) through the rotating joint (4), the optical support (5) is rotatably connected to the left end of the second rotating rod (3) and is adjusted to rotate through the adjusting device (6), and the optical observation device (7) is embedded in the optical support (5);

the fixing base (1) comprises: the novel seat comprises a seat body (11), a nut (12), a screw rod (13) and a rotary table (14), wherein a notch (15) is formed in the left side of the seat body (11), the nut (12) is fixed on the upper surface of the left side of the seat body (11), the screw rod (13) penetrates through the notch (15) and is in threaded connection with the nut (12), the lower end of the screw rod (13) penetrates through the lower surface of the seat body (11) and is connected with the rotary table (14), and a rocker (16) is arranged on the rotary table (14);

the optical mount (5) comprises: the right side of the cylindrical sleeve frame (51) is transversely fixed with a first shaft (55), the first shaft (55) is rotatably connected to the left end of the second rotating rod (3) through the first bearing (52) and the second bearing (53), and the right end of the first shaft (55) is sleeved with a first bevel gear (54);

the adjustment device (6) comprises: adjusting screw (61), third bearing (62), second shaft (63), rotating wheel (64), second bevel gear (65), adjusting screw (61) pass through the third bearing (62) vertical rotation connect on second rotating rod (3), second shaft (63) rotate connect inside second rotating rod (3), second shaft (63) lower part cover has rotating wheel (64), rotating wheel (64) and screw rod (13) screw rod transmission, second bevel gear (65) cover is on second shaft (63) upper portion, and with first bevel gear (54) meshing transmission.

2. A lying ophthalmic optical observation support according to claim 1, characterized in that two screws (17) are provided on each side of the nut (12), said screws (17) being used to fix the nut (12) to the upper surface of the seat (11).

3. A lying ophthalmic optical observation support according to claim 1, characterized in that the first turning bar (2) comprises: the rod body (21), the third shaft (22) and the fourth bearing (23), wherein a chamfer (24) is arranged at the lower end of the rod body (21), the upper end of the third shaft (22) is fixedly connected with the rod body (21), and the lower end of the third shaft (22) is rotatably connected with the fixed seat (1) through the fourth bearing (23).

4. The lying type ophthalmic optical observation support according to claim 1 or 3, wherein a dust ring (241) is disposed at the chamfer (24), the dust ring (241) is used for preventing external dust from entering a rotating gap between the shaft III (22) and the base body (11), a sealing ring (31) is disposed at the left end of the second rotating rod (3), and the sealing ring (31) is used for preventing grease inside the second rotating rod (3) from overflowing.

5. A lying ophthalmic optical observation support according to claim 1, characterized in that the revolute joint (4) comprises: a shaft four (41), a circular ring (42), a limit column (43), a clamping needle (44) and a spring (45), the two ends of the shaft IV (41) are rotationally connected with the upper end of the rotating rod I (2), the middle part of the shaft IV (41) is fixedly connected with the rotating rod II (3), the circular ring (42) is fixedly sleeved in the middle of the shaft four (41), a circle of barb (46) is fixed on the outer side of the circular ring (42), the limiting column (43) is fixed at the upper end of the first rotating rod (2), the middle part of the clamping needle (44) is rotatably connected to the limiting column (43), the right side of the clamping needle (44) is provided with a button (47), button (47) left end and card needle (44) fixed connection, the right-hand member is worn out bull stick (2), the lower extreme left side of card needle (44) with the inner wall fixed connection of spring (45) one end, the other end of spring (45) and bull stick (2), the top card of card needle (44) is in barb (46).

6. The horizontal ophthalmological optical observation support according to claim 1, wherein an adjusting wheel (66) is fixedly connected to the upper portion of the adjusting screw (61), the upper portion of the adjusting wheel (66) is pie-shaped, the lower portion of the adjusting wheel is truncated cone-shaped, and the outer side of the pie-shaped portion is provided with anti-slip lines (641).

7. The lying ophthalmic optical observation support of claim 1, wherein the first rotating rod (2) and the second rotating rod (3) are made of aluminum magnesium alloy.

8. A lying ophthalmic optical observation support according to claim 1, wherein two screws (17) are provided on each side of the nut (12), and the nut (12) is fixedly connected to the base body (11) by the screws.

Technical Field

The invention relates to the technical field of medical instruments of an ophthalmologic instrument, in particular to a lying type ophthalmologic optical observation bracket.

Background

Common ophthalmic diseases are: central serous retinopathy, dry eye, sympathetic ophthalmia, nyctalopia, blindness, amblyopia, astigmatism, trachoma, cataract, diabetic retinopathy, conjunctivitis, presbyopia, achromatopsia, iridochromism, retinitis pigmentosa, central retinal artery occlusion, retinal detachment, myopia, hyperopia, pinprick, snow blindness, aragonima, glaucoma, muscae volitantes and the like.

In the above ophthalmic diseases, many ophthalmic diseases require surgical treatment, however, most ophthalmic observation devices are sitting-standing type observation devices, and doctors cannot observe details inside the eyes of patients by means of the eyes on a highly tense operating table, so that an optical bracket convenient for observation is needed, which provides clear visual field environment for doctors, avoids unnecessary risks in ophthalmic surgery, and improves the success rate of surgery.

Disclosure of Invention

In view of the above technical problems, the present invention provides a lying type ophthalmic optical observation support.

The technical scheme of the invention is as follows:

a lying ophthalmic optical viewing support comprising: the optical observation device is nested in the optical bracket;

the fixing base includes: the left side of the base body is provided with a notch, the nut is fixed on the upper surface of the left side of the base body, the screw penetrates through the notch and is in threaded connection with the nut, the lower end of the screw penetrates through the lower surface of the base body and is connected with the rotary table, and the rotary table is provided with a rocker;

the optical mount includes: the right side of the cylindrical sleeve frame is transversely fixed with a first shaft, the first shaft is rotatably connected to the left end of a second rotating rod through the first bearing and the second bearing, and the right end of the first shaft is sleeved with a first bevel gear;

the adjusting device comprises: the adjusting screw rod is vertically and rotatably connected to the second rotating rod through the third bearing, the second shaft is rotatably connected inside the second rotating rod, the rotating wheel is sleeved on the lower portion of the second shaft and is in transmission with the screw rod, and the second bevel gear is sleeved on the upper portion of the second shaft and is in meshing transmission with the first bevel gear.

Furthermore, two screws are respectively arranged on two sides of the nut and used for fixing the nut and the upper surface of the seat body, and the screw connection facilitates the replacement of the nut in the later period.

Further, the first rotating rod comprises: the rod body, the third shaft and the fourth bearing, wherein the lower end of the rod body is provided with a chamfer, the upper end of the third shaft is fixedly connected with the rod body, the lower end of the third shaft is connected with the fixed seat in a rotating mode through the fourth bearing, the chamfer is mainly used for dust prevention, and the fourth bearing is beneficial to flexible rotation of the rod body.

Furthermore, the chamfer is provided with a dustproof ring, the dustproof ring is used for preventing external dust from entering a rotating gap between the third shaft and the base body, the left end of the second rotating rod is provided with a sealing ring, and the sealing ring is used for preventing lubricating grease in the second rotating rod from overflowing.

Further, the revolute joint includes: four, ring, spacing post, card needle, spring of axle, four both ends of axle with a bull stick upper end rotates to be connected, four middle parts of axle and two fixed connection of bull stick, the fixed cover of ring is at the middle part of four of axle, and the ring outside is fixed with the round barb, spacing post is fixed in a bull stick upper end, card needle middle part rotates to be connected on spacing post, and the right side of card needle is equipped with the button, button left end and card needle fixed connection, the bull stick one is worn out to the right-hand member, the lower extreme left side of card needle with spring one end fixed connection, the other end of spring and the inner wall fixed connection of bull stick one, the top card of card needle is in the barb, goes into the barb through button control card needle, and then fixed bull stick two.

Furthermore, the adjusting wheel is fixedly connected to the upper portion of the adjusting screw rod, the upper portion of the adjusting wheel is in a pie shape, the lower portion of the adjusting wheel is a circular truncated cone shape, anti-skid lines are arranged on the outer side of the pie shape, and the anti-skid lines increase friction force between fingers of a doctor and the adjusting wheel.

Furthermore, the first rotating rod and the second rotating rod are made of aluminum magnesium alloy, the aluminum magnesium alloy is light in weight and high in strength, the device is convenient to transfer, and the device cannot be easily deformed.

Furthermore, a flexible gasket is padded in the screw rod and is made of rubber materials, the flexible gasket is used for adapting to sickbeds with different thicknesses, and the rubber materials are large in friction force and not prone to shifting.

The invention has the beneficial effects that:

(1) compared with the portable ophthalmological observation device, the device can provide a stable observation environment for the optical observation device;

(2) the device is fixed on a sickbed, can be detached and is convenient to transfer, and is mainly applied to an observation device in the ophthalmic operation and an ophthalmic observation support provided when a patient cannot sit, and the device is convenient to use and simple to operate;

drawings

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

FIG. 2 is an enlarged view of a portion of the present invention at A;

FIG. 3 is an enlarged view of a portion of the invention at B;

fig. 4 is a partial enlarged view of the present invention at C.

Wherein, 1-a fixed seat, 2-a first rotating rod, 3-a second rotating rod, 4-a rotating joint, 5-an optical bracket, 6-an adjusting device, 7-an optical observing device, 11-a seat body, 12-a nut, 13-a screw, 14-a rotating disc, 15-a notch, 16-a rocker, 51-a cylindrical sleeve frame, 52-a first bearing, 53-a second bearing, 54-a first bevel gear, 55-a first shaft, 61-an adjusting screw, 62-a third bearing, 63-a second shaft, 64-a rotating wheel, 65-a second bevel gear, 17-a screw, 21-a rod body, 22-a third shaft, 23-a fourth bearing, 24-a chamfer, 241-a dust ring, 31-a sealing ring, 41-a fourth shaft, 42-a circular ring, 43-a limiting column, 44-latch, 45-spring, 46-barb, 47-button, regulating wheel (66), 641-antiskid line, 131-flexible gasket.

Detailed Description

For the convenience of understanding the technical solution of the present invention, the following is further explained with reference to fig. 1 to 4, and the embodiments do not limit the scope of the present invention.

As shown in fig. 1, a lying ophthalmic optical viewing support comprises: fixing base 1, bull stick one 2, bull stick two 3, rotation joint 4, optics support 5, adjusting device 6, optics viewing device 7, 2 lower extremes of bull stick are rotated with fixing base 1 and are connected, rotate through rotating joint 4 between bull stick two 3 and the bull stick 2 and rotate and be connected, optics support 5 rotates the left end of connecting at bull stick two 3 to adjust through adjusting device 6 and turn to, optics viewing device 7 nestification is in optics support 5, bull stick one 2 includes: body of rod 21, three 22 of axle, four 23 of bearing, the body of rod 21 lower extreme is equipped with chamfer 24, three 22 upper ends of axle and the body of rod 21 fixed connection, and the lower extreme of three 22 of axle passes through four 23 of bearing and is connected with the rotation of fixing base 1, sets up chamfer 24 primary action and is used for dustproof, and four 23 of bearing are favorable to the nimble rotation of the body of rod, as shown in fig. 3, revolute joint 4 includes: four shafts 41, a circular ring 42, a limit column 43, a clamp needle 44 and a spring 45, wherein two ends of the four shafts 41 are rotatably connected with the upper end of a first rotating rod 2, the middle part of the four shafts 41 is fixedly connected with a second rotating rod 3, the circular ring 42 is fixedly sleeved in the middle part of the four shafts 41, a circle of barb 46 is fixed on the outer side of the circular ring 42, the limit column 43 is fixed at the upper end of the first rotating rod 2, the middle part of the clamp needle 44 is rotatably connected on the limit column 43, a button 47 is arranged on the right side of the clamp needle 44, the left end of the button 47 is fixedly connected with the clamp needle 44, the right end penetrates out of the first rotating rod 2, the left side of the lower end of the clamp needle 44 is fixedly connected with one end of the spring 45, the other end of the spring 45 is fixedly connected with the inner wall of the first rotating rod 2, the top of the clamp needle 44 is clamped in the barb 46, the clamp needle is controlled by the button 47 to be clamped in the barb 46, but also can not be easily deformed;

as shown in fig. 2, the fixing base 1 includes: the bed body 11, the nut 12, the screw 13, the rotary table 14, there is a gap 15 on the left side of the bed body 11, the nut 12 is fixed on the upper surface of the left side of the bed body 11, the screw 13 runs through the gap 15 and is connected with the nut 12 by screw thread, the lower end of the screw 13 runs through the lower surface of the bed body 11 and is connected with the rotary table 14, there is a rocker 16 on the rotary table 14, two screws 17 are respectively arranged on two sides of the nut 12, the screws 17 are used for fixing the nut 12 and the upper surface of the bed body 11, the screw 17 is connected to facilitate the replacement of the nut 12 in the later stage, there is a dust ring 241 at the chamfer 24, the dust ring 241 is used for preventing the external dust from entering into the rotating gap between the third shaft 22 and the bed body 11, there is a seal ring 31 at the left end of the second rotary rod 3, the seal ring 31 is used, the rubber material has large friction force and is not easy to shift;

as shown in fig. 1, the optical mount 5 includes: the right side of the cylindrical sleeve frame 51 is transversely fixed with a first shaft 55, the first shaft 55 is rotatably connected to the left end of the second rotating rod 3 through the first bearing 52 and a second bearing 53, and the right end of the first shaft 55 is sleeved with a first bevel gear 54;

as shown in fig. 4, the adjusting device 6 includes: the adjusting screw 61, a third bearing 62, a second shaft 63, a rotating wheel 64, a second bevel gear 65, the adjusting screw 61 is vertically and rotatably connected to the second rotating rod 3 through the third bearing 62, the second shaft 63 is rotatably connected inside the second rotating rod 3, the rotating wheel 64 is sleeved on the lower portion of the second shaft 63, the rotating wheel 64 is in screw transmission with the screw 13, the second bevel gear 65 is sleeved on the upper portion of the second shaft 63 and is in meshing transmission with the first bevel gear 54, the adjusting wheel 66 is fixedly connected to the upper portion of the adjusting screw 61, the upper portion of the adjusting wheel 66 is in a pie shape, the lower portion of the adjusting wheel is a circular truncated cone shape, anti-slip patterns 641 are arranged on the outer side of the pie.

The working method of the embodiment comprises the following steps:

s1: the nut 12 is arranged on the upper surface of the seat body 11 through a screw 17, and the seat body is arranged beside a sickbed through a screw;

s2: the optical observation device 7 is arranged on the cylindrical sleeve frame 51, the button 47 is pressed down towards the inner direction of the first rotating rod 2, the second rotating rod 3 is rotated, then the button 47 is released, the clamping needle 44 is clamped into the barb 46 under the action of the spring tension, and the two positions of the rotating rods are fixed;

s3: the adjusting wheel 66 is rotated to adjust the angle of the optical observation angle 51, the adjusting wheel 66 is rotated to drive the adjusting screw 61 to rotate, the adjusting screw 61 is in screw transmission with the rotating wheel 64, the rotating wheel 64 drives the second shaft 63 to rotate, the second shaft 63 rotates to drive the second bevel gear 65 to rotate, the second bevel gear 65 is in meshing transmission with the first bevel gear 54, the cylindrical sleeve frame 51 is driven to rotate, and the purposes of adjusting the optical observation angle and fixing the optical observation device 7 are achieved.