CN117694816A - Ophthalmic examination auxiliary device - Google Patents
Ophthalmic examination auxiliary device Download PDFInfo
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- CN117694816A CN117694816A CN202410157909.1A CN202410157909A CN117694816A CN 117694816 A CN117694816 A CN 117694816A CN 202410157909 A CN202410157909 A CN 202410157909A CN 117694816 A CN117694816 A CN 117694816A
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- 210000000744 eyelid Anatomy 0.000 claims abstract description 87
- 230000033001 locomotion Effects 0.000 claims abstract description 39
- 150000001875 compounds Chemical class 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 101
- 230000000670 limiting effect Effects 0.000 claims description 27
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 208000030533 eye disease Diseases 0.000 abstract description 4
- 210000001508 eye Anatomy 0.000 description 28
- 238000007689 inspection Methods 0.000 description 20
- 230000000903 blocking effect Effects 0.000 description 11
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 210000004129 prosencephalon Anatomy 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000036642 wellbeing Effects 0.000 description 1
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Abstract
The invention discloses an ophthalmic examination auxiliary device, which relates to the medical field and comprises an examination instrument and an auxiliary expanding mechanism arranged on the examination instrument, wherein the auxiliary expanding mechanism comprises a supporting bar and a power assembly; the power assembly drives the supporting bar to carry out reciprocating motion and rotating compound motion, and in the compound motion process, the supporting bar is attached to the eyelid to prop open the eyelid. The auxiliary device for ophthalmic examination provided by the invention is characterized in that the supporting bar and the power component are arranged on the examination instrument, the power component drives the supporting bar to perform reciprocating motion and rotating compound motion, in the compound motion process, the supporting bar is attached to the eyelid to prop open the eyelid, and the supporting bar is driven to rotate towards the eyelid when the eyelid is propped open, so that the supporting bar is attached to the eyelid better, the stability of the eyelid when the eyelid is propped open is improved, and the examination of eye diseases is facilitated.
Description
Technical Field
The invention relates to the field of medical treatment, in particular to an ophthalmic examination auxiliary device.
Background
Ophthalmic examinations are known to be a series of examinations performed by an ophthalmologist to evaluate the well-being and vision of a patient's eyes. The method comprises the following steps: in ocular pressure examination, fundus examination, eye structure examination, and the like, when fundus and eye structure examination is performed, in order to improve the observation range, it is necessary to use a distraction structure to assist distraction of upper and lower eyelid of a patient so as to avoid blinking of the patient during examination.
If the grant notice number is CN218572176U, the grant date is 2023-03-07, and the name is an ophthalmic clinical examination supporter, it includes supporting baseplate, supporting side plate, recess, backup pad, locating lever, turning block one, threaded rod screw hole and supporting component, the supporting side plate is located on the supporting baseplate, the recess is located on the supporting side plate inside wall, the locating lever is located in the recess, the backup pad runs through the locating lever setting, the screw hole inlays in the backup pad, the threaded rod runs through supporting side plate and recess roof rotation and locates on the recess diapire, turning block one locates on the threaded rod, threaded connection between threaded rod and the screw hole, supporting component locates in the backup pad. The file belongs to the technical field of ophthalmology, and particularly relates to an ophthalmology clinical examination support device which can support upper and lower eyelid of a patient and is convenient for a doctor to examine.
The eye opening device comprises the inspection device, wherein the inspection device is provided with the opening structure, the opening structure is used for opening the eyelid, the supporting bars inside the opening structure are all in linear motion, the eyes of a person are in a ball shape, and when the eyes are opened, the eyelid does arc motion (as shown in fig. 3) instead of simple linear motion, so that the supporting bars are kept away from the eyelid when the eyelid is opened, the contact surface between the supporting bars and the eyelid is reduced, and the stability of the eyelid when the eyelid is opened is lower.
Disclosure of Invention
The object of the present invention is to provide an ophthalmic examination assistance device that solves the above-mentioned drawbacks of the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
an ophthalmic examination auxiliary device comprises an examination instrument and an auxiliary expanding mechanism arranged on the examination instrument, wherein the auxiliary expanding mechanism comprises a supporting bar and a power assembly; the power assembly drives the supporting bar to carry out reciprocating motion and rotating compound motion, and in the compound motion process, the supporting bar is attached to the eyelid to prop open the eyelid.
According to the ophthalmic examination auxiliary device, the supporting strips are arc-shaped, and the anti-slip pad is arranged on one side, close to eyelid, of each supporting strip.
The above-mentioned an ophthalmic examination auxiliary device, the power pack includes a horizontal driving member for making the support bar fit with eyelid, a vertical driving member for making eyelid open, and a rotary driving member for making the support bar rotate by itself.
The above-mentioned ophthalmology inspection auxiliary device, the horizontal drive piece include electric putter and with electric putter output is connected first transfer line, the mounting groove has been seted up to the tester inside, electric putter rigid coupling in the mounting groove, the support bar set up in first transfer line is kept away from electric putter's one end.
The above-mentioned ophthalmology inspection auxiliary device, vertical driving piece includes first butt portion, first transfer line includes first section and the second section of mutual sliding connection, just first section with be provided with first spring between the second section, the second section with electric putter's output rigid coupling, the support bar with first butt portion all set up in on the first section, be provided with second butt portion in the mounting groove, second butt portion is located on the motion stroke of first butt portion.
The above-mentioned an ophthalmic examination auxiliary device, the rotary driving piece includes a second transmission rod, the second transmission rod is slidably disposed in the installation groove, and one end of the first transmission rod and one end of the second transmission rod, which are close to the support bar, are both rotationally connected with the support bar;
the transmission member is used for enabling the displacement of the second transmission rod to be larger than that of the first transmission rod.
The above-mentioned ophthalmology inspection auxiliary device, the driving medium includes gear, first pinion rack and second pinion rack, fixedly connected with the bracing piece on the first transfer line, the gear rotates to set up on the bracing piece, first pinion rack is fixedly connected on the mounting groove lateral wall, the second pinion rack is fixedly connected on the second transfer line, first pinion rack and second pinion rack all with the gear engagement;
the device also comprises an adjusting piece for adjusting the height of the second transmission rod close to one end of the supporting bar.
The above-mentioned an ophthalmic examination auxiliary device, the adjusting piece includes a third abutting portion, the second transmission rod includes a third section and a fourth section that are slidably connected with each other, the support bar and the third abutting portion are both disposed on the third section, a second spring is disposed between the third section and the fourth section, a fourth abutting portion is disposed inside the mounting groove, and the fourth abutting portion is located on a movement stroke of the third abutting portion;
and the thickness of the first abutting portion is larger than that of the third abutting portion.
The second section and the fourth section are elastic telescopic rods, the first limiting blocks are arranged on the second section and the fourth section, the second limiting blocks are arranged inside the mounting groove, and the second limiting blocks are located on the movement stroke of the first limiting blocks.
The auxiliary device for ophthalmic examination further comprises a sliding rail, wherein the inspection instrument is arranged on the sliding rail in a sliding mode, and an arc-shaped supporting plate is arranged on the sliding rail in a sliding mode.
In the technical scheme, the supporting bar and the power component are arranged on the inspection instrument, the power component drives the supporting bar to conduct reciprocating motion and rotating compound motion, in the compound motion process, the supporting bar is attached to the eyelid to prop open the eyelid, and the supporting bar is driven to rotate towards the eyelid when the eyelid is propped open, so that the supporting bar is attached to the eyelid better, stability of the eyelid when the eyelid is propped open is improved, and inspection of eye diseases is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic view of an external overall structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure provided by another embodiment of the present invention;
fig. 3 is a schematic diagram of an eyelid opening process according to another embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating an overall structure of a first transmission rod and a second transmission rod according to another embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating the overall structure of a first transmission rod and a second transmission rod according to another view angle according to another embodiment of the present invention;
FIG. 6 is an enlarged schematic view of the partial structure at A in FIG. 1;
FIG. 7 is an enlarged schematic view of a partial structure at B in FIG. 2;
FIG. 8 is an enlarged schematic view of a part of the structure of FIG. 2C;
fig. 9 is an enlarged schematic view of a partial structure at D in fig. 4.
Reference numerals illustrate:
1. an inspection instrument; 2. a support bar; 3. an electric push rod; 4. a first transmission rod; 5. a mounting groove; 6. a first abutting portion; 7. a first section; 8. a second section; 9. a first spring; 10. a second abutting portion; 11. a groove; 12. an avoidance groove; 13. a second transmission rod; 14. a first rotating shaft; 15. a second rotating shaft; 16. a gear; 17. a first toothed plate; 18. a second toothed plate; 19. a support rod; 20. a third abutting portion; 21. a third section; 22. a fourth section; 23. a second spring; 24. a fourth abutting portion; 25. a first limiting block; 26. a second limiting block; 27. a first portion; 28. a second portion; 29. a slide hole; 30. a third spring; 31. a blocking piece; 32. a through hole; 33. unlocking the rod; 34. an unlocking part; 35. a movable groove; 36. a fourth spring; 37. a slide rail; 38. an arc-shaped supporting plate; 39. a convex portion; 40. a connection part; 41. a slip joint part; 42. and a sliding groove.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "center", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are based on the directions or positional relationships shown in the drawings with the direction of the third abutting portion with respect to the first abutting portion being the upper direction in fig. 7, and vice versa, are merely for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-9, an embodiment of the present invention provides an ophthalmic examination auxiliary device, which includes an examination apparatus 1 and an auxiliary opening mechanism disposed on the examination apparatus 1, wherein the auxiliary opening mechanism includes a support bar 2 and a power assembly; the power assembly drives the support bar 2 to perform reciprocating motion and rotating compound motion, and in the compound motion process, the support bar 2 is attached to the eyelid to prop open the eyelid.
Specifically, the inspection instrument 1 can be a matched structure of a magnifying glass and an illuminating lamp, an eye accommodating area is formed on the surface of the magnifying glass, the magnifying glass is used for magnifying and observing eyes of a patient so as to conveniently inspect whether the eyes have abnormal conditions, the number of the supporting bars 2 is four, two upper eyelid and two lower eyelid corresponding to the eyes respectively, the magnifying glass can be a strip-shaped structure, the supporting bars 2 are provided with acting force close to the eyelid so as to enable the supporting bars 2 to be attached to the eyelid, then vertical acting force opposite to the supporting bars 2 is provided, under the action of friction force between the supporting bars 2 and the eyelid, the supporting bars 2 located on the upper eyelid part drive the upper eyelid to move upwards, the supporting bars 2 located on the lower eyelid part drive the lower eyelid to move downwards, so as to conveniently inspect eye diseases, the eye diseases are not described in the prior art, one of core innovation points of the embodiment of the invention is that a power assembly is provided, the power assembly can be matched with the assemblies of the existing reciprocating driving assembly and a motor and the like to enable the supporting bars 2 to horizontally move, vertically move and rotate, and the combined driving force can be provided by the supporting bars 2 to vertically move and rotate, and the supporting bars 2 are enabled to move vertically and the supporting bars 2 are attached to the eyelid when the combined with the eyelid, and the combined driving force is enabled to move vertically and the eyelid to move vertically and enable the eye to move vertically and the eyelid to be convenient to move easily and the eye to be attached to the eye.
Preferably, the supporting bar 2 is arc-shaped, and a non-slip pad (not shown in the figure) is disposed on one side of the supporting bar 2 near the eyelid, specifically, the arc-shaped supporting bar 2 is concave toward one side of the eyelid to increase the contact area between the supporting bar 2 and the eyelid, and the non-slip pad is also arc-shaped and made of soft materials with larger dynamic friction factors such as rubber, so that a larger friction force exists between the non-slip pad and the eyelid, and when the supporting bar 2 and the non-slip pad move, the eyelid can be driven to move.
Further, the power component comprises a horizontal driving part for enabling the supporting bar 2 to be attached to the eyelid, a vertical driving part for enabling the eyelid to be opened and a rotary driving part for enabling the supporting bar 2 to rotate, and specifically, the horizontal driving part and the vertical driving part can be an existing reciprocating driving component such as an air cylinder, the rotary driving component can be an existing motor and the like and is used for providing a rotating force, so that the supporting bar 2 can horizontally move, vertically move and rotate, and the supporting bar 2 can be attached to the eyelid better.
As another embodiment of the present invention, the horizontal driving member includes an electric push rod 3 and a first driving rod 4 connected to the output end of the electric push rod 3, a mounting groove 5 is formed in the inspection apparatus 1, the electric push rod 3 is fixedly connected in the mounting groove 5, the supporting bar 2 is disposed at one end of the first driving rod 4 away from the electric push rod 3, specifically, for a single eye, the first driving rods 4 are disposed symmetrically on the upper and lower sides of the eye, one end of the two first driving rods 4 away from the electric push rod 3 penetrates through the exterior of the inspection apparatus 1 and is connected with the supporting bar 2, the other ends of the two first driving rods 4 are fixedly connected, and the output end of the electric push rod 3 is fixedly connected with the connection positions of the two first driving rods 4 at the same time.
Further, the vertical driving member includes a first abutting portion 6, the first driving rod 4 includes a first section 7 and a second section 8 that are slidably connected with each other, a first spring 9 is further disposed between the first section 7 and the second section 8, the second section 8 is fixedly connected with the output end of the electric push rod 3, the supporting bar 2 and the first abutting portion 6 are both disposed on the first section 7, a second abutting portion 10 is disposed in the mounting groove 5, the second abutting portion 10 is disposed on the movement stroke of the first abutting portion 6, specifically, a sliding connection portion 41 is disposed on the first section 7, a sliding groove 42 is disposed on the second section 8, the sliding connection portion 41 is slidably connected with the sliding groove 42, so that the first section 7 and the second section 8 can slide relatively in the vertical direction, a protruding portion 39 is disposed on the first section 7, a connecting portion 40 is disposed on the second section 8, the first spring 9 is vertically arranged between the convex part 39 and the connecting part 40, the first abutting part 6 is provided with two, the two first abutting parts 6 are arranged on the opposite surfaces of the two first sections 7, wedge-shaped surfaces are arranged, a groove 11 is formed between the wedge-shaped surfaces and the part of the main body of the first section 7, the second abutting part 10 is in a round rod shape and is positioned in the groove 11, the inspection instrument 1 is provided with a vertically arranged avoidance groove 12, so that the first transmission rod 4 is prevented from interfering with the inspection instrument 1 when vertically moving, the effect is that when the electric push rod 3 drives the first transmission rod 4 and the support bar 2 to move towards the eyelid, the wedge-shaped surfaces of the first abutting parts 6 are driven to abut against the outer peripheral surfaces of the second abutting parts 10, so that the two first sections 7 and the support bar 2 move vertically in opposite directions, the first spring 9 is extruded, so that the two eyelids are driven to move oppositely, that is, the support bar 2 above the eyes drives the upper eyelid to move upwards, the support bar 2 below the eyes drives the lower eyelid to move downwards, so that the support bar 2 is attached to the eyelid and the eyelid is passively spread, after spreading, the electric push rod 3 drives the first transmission rod 4 to move towards a direction away from the eyelid, so that the first abutting part 6 is far away from the second abutting part 10, and at the moment, the first section 7 and the support bar 2 automatically reset under the action of the elastic force of the first spring 9.
Further, the rotary driving piece comprises a second transmission rod 13, the second transmission rod 13 is slidably arranged in the mounting groove 5, and one ends of the first transmission rod 4 and the second transmission rod 13, which are close to the support bar 2, are both in rotary connection with the support bar 2; the electric push rod is characterized by further comprising a transmission part used for enabling the displacement of the second transmission rod 13 to be larger than that of the first transmission rod 4, specifically, the electric push rod 3 and an eyeball are located at the same vertical height, the second transmission rod 13 is located at one side, far away from the central axis of the electric push rod 3, of the first transmission rod 4, a first rotating shaft 14 is arranged at one end, close to the support bar 2, of the first transmission rod 4, a second rotating shaft 15 is arranged at one end, close to the support bar 2, of the second transmission rod 13, the first rotating shaft 14 and the second rotating shaft 15 are both in rotary connection with the support bar 2, the transmission part can be an independent reciprocating driving assembly, the movement of the second transmission rod 13 can be independently controlled, the displacement of the second transmission rod 13 is larger than that of the first transmission rod 4, the transmission part is also controlled to move towards the direction of the eyelid when the electric push rod 3 pushes the first transmission rod 4 and the support bar 2 to be in contact with the eyelid, and the support bar 2 can always keep the stability of the arch-shaped state when the support bar 2 is kept towards the central axis of the electric push rod 3, namely, and the arch-shaped state of the support bar can always keep the arch-shaped state when the support bar is kept around the central axis of the first rotating shaft 14.
As another embodiment of the present invention, the transmission member includes a gear 16, a first toothed plate 17 and a second toothed plate 18, where the first transmission rod 4 is fixedly connected with a supporting rod 19, the gear 16 is rotatably disposed on the supporting rod 19, the first toothed plate 17 is fixedly connected to a side wall of the mounting groove 5, the second toothed plate 18 is fixedly connected to the second transmission rod 13, and both the first toothed plate 17 and the second toothed plate 18 are meshed with the gear 16; the device also comprises an adjusting piece for adjusting the height of the second transmission rod 13 near one end of the supporting bar 2, in particular, a supporting bar 19 is L-shaped, which is fixedly connected to the side surface of the first transmission rod 4 far away from the central axis of the electric push rod 3, a gear 16 is rotationally arranged at the end part of the supporting bar 19, a second toothed plate 18 is fixedly connected to one side of the second transmission rod 13 near the central axis of the electric push rod 3, a first toothed plate 17 is arranged at the opposite side of the second toothed plate 18, the two toothed plates are staggered, the thickness of the gear 16 is larger than the sum of the thicknesses of the first toothed plate 17 and the second toothed plate 18, so as to avoid interference with the first toothed plate 17 in the moving process of the supporting bar 19, the adjusting piece is an existing reciprocating driving assembly for adjusting the vertical height of the second transmission rod 13, and the effect of the arrangement is that when the electric push rod 3 drives the first transmission rod 4 to move towards eyelid, the support bar 19 and the gear 16 are driven to synchronously move, the gear 16 is meshed with the first toothed plate 17 and the second toothed plate 18, and the first toothed plate 17 is fixedly arranged in the mounting groove 5, the first toothed plate 17 drives the gear 16 to move and rotate, and the second toothed plate 18 is meshed with the gear 16, so that the movement stroke of the second transmission rod 13 is twice as long as the movement stroke of the first transmission rod 4, the support bar 2 is pushed to rotate around the first rotating shaft 14 towards the eyelid, the second rotating shaft 15 and the first rotating shaft 14 are enabled to approach in the vertical direction through the adjusting piece (as shown in figure 3), namely, the second rotating shaft 15 moves towards the central axis of the electric push rod 3 relative to the first rotating shaft 14, interference between the support bar 2 and the second rotating shaft 15 is avoided, after inspection, the first transmission rod 4 is controlled to reversely move through the electric push rod 3, the gear 16 is driven to move reversely and rotate reversely, so that the return stroke of the second transmission rod 13 is twice as long as that of the first transmission rod 4, and the automatic resetting of the first transmission rod 4 and the second transmission rod 13 is realized.
Preferably, the adjusting member includes a third abutting portion 20, the second transmission rod 13 includes a third section 21 and a fourth section 22 slidably connected to each other, the supporting bar 2 and the third abutting portion 20 are both disposed on the third section 21, a second spring 23 is disposed between the third section 21 and the fourth section 22, a fourth abutting portion 24 is disposed inside the mounting groove 5, and the fourth abutting portion 24 is located on a movement stroke of the third abutting portion 20; the thickness of the first abutting portion 6 is greater than that of the third abutting portion 20, specifically, a sliding abutting portion 41 is also provided on the third section 21, a sliding groove 42 is also provided on the fourth section 22, the sliding abutting portion 41 is slidably connected with the sliding groove 42, so that the third section 21 and the fourth section 22 can slide relatively in the vertical direction, a protruding portion 39 is also provided on the third section 21, a connecting portion 40 is also provided on the fourth section 22, the second spring 23 is vertically arranged between the protruding portion 39 and the connecting portion 40, two third abutting portions 20 are provided on opposite surfaces of the two third sections 21, wedge surfaces are provided, grooves 11 are also configured between the wedge surfaces and portions of the main body of the third section 21, the fourth abutting portion 24 is also round bar-shaped and is located in the grooves 11, when the electric push rod 3 drives the first transmission rod 4 and the support bar 2 to move towards the eyelid, the transmission piece drives the second transmission rod 13 to move, so that the wedge surface of the third abutting part 20 abuts against the outer peripheral surface of the fourth abutting part 24, the two third sections 21 and the support bar 2 move vertically in opposite directions, the second spring 23 is extruded, the thickness of the first abutting part 6 is larger than that of the third abutting part 20, the distance of the second transmission rod 13 moving in the radial direction of the electric push rod 3 is smaller than that of the first transmission rod 4, the distance between the first transmission rod 4 and the second transmission rod 13 can be passively adjusted, the support bar 2 can rotate around the first rotating shaft 14, after the electric push rod 3 drives the first transmission rod 4 and the second transmission rod 13 to move towards the direction away from the eyelid, so that the third abutting part 20 is away from the fourth abutting part 24, at this time, the third segment 21 is automatically restored by the elastic force of the second spring 23.
In summary, the horizontal driving member drives the supporting bar 2 to reciprocate in the horizontal direction, so that the supporting bar 2 is attached to and away from the eyelid, the vertical driving member drives the supporting bar 2 to reciprocate in the vertical direction, so that the upper eyelid and the lower eyelid are propped open, and the rotary driving member drives the supporting bar 2 to rotate, so that the supporting bar 2 can be attached to the eyelid better, and thus, the composite stroke of the reciprocating movement and the synchronous rotation of the supporting bar 2 is realized.
It should be noted that, when the eyes of the person are opened, the movement stroke of the upper eyelid is greater than the movement stroke of the lower eyelid, if the eyelid needs to be fully opened, the movement stroke of the support bar 2 corresponding to the upper eyelid is greater than the movement stroke of the support bar 2 corresponding to the lower eyelid, further, the second section 8 and the fourth section 22 are both elastic telescopic rods, the second section 8 and the fourth section 22 are both provided with first limiting blocks 25, the inside of the mounting groove 5 is provided with second limiting blocks 26, the second limiting blocks 26 are located on the movement stroke of the first limiting blocks 25, specifically, the elastic telescopic rods, namely the second section 8 and the fourth section 22, respectively comprise a first part 27 and a second part 28 which are in sliding connection with each other, the second part 28 is provided with sliding holes 29, the first part 27 is in sliding connection with the sliding holes 29, and a third spring 30 is arranged between the first part 27 and the inner wall of the slide hole 29, the third spring 30 is in a natural state, the stiffness coefficient of the third spring 30 is larger than that of the first spring 9 and the second spring 23, the first limiting block 25 is provided with two first limiting blocks 25 which are respectively arranged on the first transmission rod 4 and the second transmission rod 13 corresponding to the lower eyelid and are arranged on the opposite surfaces, the second limiting block 26 is L-shaped in section, the end part of the horizontal edge of the second limiting block 26 is positioned on the moving stroke of the first limiting block 25 above, the end part of the vertical edge of the second limiting block is positioned on the moving stroke of the first limiting block 25 below, the effect of the arrangement is that when the electric push rod 3 drives the first transmission rod 4 and the second transmission rod 13 to move towards the direction of the eyelid, the first transmission rod 4 and the second transmission rod 13 positioned above are not limited by the limiting blocks, the first transmission rod 4, the second transmission rod 13 and the support bar 2 above are enabled to normally move, the first transmission rod 4 and the second transmission rod 13 below are enabled to be in butt joint with the second limiting block 26, so that the first section 7 and the third section 21 below cannot continuously move, the second section 8 and the fourth section 22 below continuously move under the action of the electric push rod 3, the first portion 27 below slides towards the inside of the sliding hole 29 and the third spring 30 is extruded to achieve avoidance, the amplitude of the support bar 2 above the eyes for spreading the upper eyelid is larger than the amplitude of the support bar 2 below the eyes for spreading the lower eyelid (as shown in fig. 3), after the support bar is spread, the first transmission rod 4 and the second transmission rod 13 are controlled to automatically reset through the electric push rod 3, and the first portion 27 slides towards the outside of the sliding hole 29 under the action of the third spring 30, so that automatic reset is achieved.
As a further embodiment of the present invention, the first transmission rod 4 and the second transmission rod 13 are both provided with a high pressure avoidance assembly for preventing the eyes from being excessively extruded, the high pressure avoidance assembly includes a blocking block 31, the blocking block 31 is elastically disposed on the inner wall of the sliding hole 29, the blocking block 31 abuts against the first portion 27, the second portion 28 is provided with a through hole 32, the through hole 32 is in a strip shape, so that the unlocking rod 33 can slide in the through hole 32, the first portion 27 above the eyes is provided with an unlocking rod 33, the unlocking rod 33 extends into the mounting groove 5 through the through hole 32, the mounting groove 5 is provided with an unlocking part 34, the unlocking part 34 is located on the movement stroke of the unlocking rod 33, in particular, the blocking block 31 is provided with a plurality of blocking blocks 31, and the ends of the blocking blocks 31 are provided with arc surfaces, the arc surface is abutted with the end part of the first part 27, a plurality of movable grooves 35 matched with the blocking blocks 31 are formed on the side walls of the sliding holes 29 of the first transmission rod 4 and the second transmission rod 13 which are positioned above eyes, the blocking blocks 31 are in sliding connection with the movable grooves 35, a fourth spring 36 is arranged between the blocking blocks 31 and the inner walls of the movable grooves 35 in an elastic mode (the first transmission rod 4 and the second transmission rod 13 which are positioned below cannot excessively squeeze eyes due to the limiting effect of the first limiting block 25 and the second limiting block 26), therefore, the high-pressure avoidance assembly only needs to be arranged on the first transmission rod 4 and the second transmission rod 13 which are positioned above eyes, the third spring 30 is in a stretching state (namely, is in a different state with the third spring 30 positioned below eyes) aiming at the single first transmission rod 4 or the second transmission rod 13 which is positioned above eyes, the fourth springs 36 are arranged in the electric push rod 3, when the electric push rod 3 controls the support rod 2 to open the upper eyelid through the first transmission rod 4 and the second transmission rod 13, if the pressure exerted by the support rod 2 is large, the reaction force provided to the first transmission rod 4 and the second transmission rod 13 is larger, when the sum of the forces exerted by the first part 27 is larger than the sum of the elastic forces of the fourth springs 36, the plurality of blocking blocks 31 are simultaneously contracted into the movable groove 35 and press the fourth springs 36 to realize avoidance, and at the moment, the elastic force of the third springs 30 is instantaneously released, so that the support rod 2 instantaneously slides towards the inside of the sliding hole 29, so that the eyes are prevented from being excessively extruded by the upper eyelid, and after the high-pressure avoidance assembly is triggered, the electric push rod 3 controls the first transmission rod 4 and the second transmission rod 13 to reversely move, and simultaneously pushes the first part 31 to the second part 27, and the first part 27 is automatically released from the first part 27, and the second part 27 is automatically pushed by the elastic force of the third springs 30, and the first part 27 is automatically pushed by the first part 27, and the second part 27 is automatically released from the first part 27 is automatically pushed by the elastic force of the third spring 30, and the first part is automatically pushed by the second part 27 to the first part 27, and the second part is automatically released from the first part 27 is automatically pushed by the sliding towards the sliding surface when the first part is released.
Further, still include slide rail 37, inspection machine 1 slide set up in on the slide rail 37, just slide on the slide rail 37 and be provided with arc backup pad 38, specifically, slide rail 37 level is arranged, and slide on the slide rail 37 and be provided with two sliding seat, inspection machine 1 and arc backup pad 38 are connected with two sliding seat through the connecting rod respectively, the effect of so setting up is that, when the inspection, place the head of people between arc backup pad 38 and inspection machine 1, arc backup pad 38 is used for holding the forebrain spoon of people, drives arc backup pad 38 and inspection machine 1 through the sliding seat and removes for the head of people is fixed.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (10)
1. An ophthalmic examination auxiliary device comprises an examination instrument and an auxiliary stretching mechanism arranged on the examination instrument, and is characterized in that the auxiliary stretching mechanism comprises a supporting bar and a power assembly;
the power assembly drives the supporting bar to carry out reciprocating motion and rotating compound motion, and in the compound motion process, the supporting bar is attached to the eyelid to prop open the eyelid.
2. The ophthalmic examination assisting apparatus according to claim 1, wherein the supporting bar is arc-shaped, and a slip-preventing pad is provided on a side of the supporting bar near eyelid.
3. An ophthalmic examination assistance device as claimed in claim 1, wherein said power assembly includes a horizontal drive for engaging said support bar with the eyelid, a vertical drive for opening the eyelid and a rotational drive for rotating said support bar itself.
4. The ophthalmic examination auxiliary device according to claim 3, wherein the horizontal driving member comprises an electric push rod and a first transmission rod connected with an output end of the electric push rod, a mounting groove is formed in the examination instrument, the electric push rod is fixedly connected in the mounting groove, and the support bar is arranged at one end, far away from the electric push rod, of the first transmission rod.
5. The ophthalmic examination auxiliary device according to claim 4, wherein the vertical driving member comprises a first abutting portion, the first driving rod comprises a first section and a second section which are slidably connected with each other, a first spring is arranged between the first section and the second section, the second section is fixedly connected with the output end of the electric push rod, the supporting bar and the first abutting portion are both arranged on the first section, a second abutting portion is arranged in the mounting groove, and the second abutting portion is located on the movement stroke of the first abutting portion.
6. The ophthalmic examination assisting apparatus according to claim 5, wherein the rotary driving member comprises a second transmission rod slidably disposed in the mounting groove, and one end of the first transmission rod and one end of the second transmission rod, which are close to the support bar, are both rotatably connected to the support bar;
the transmission member is used for enabling the displacement of the second transmission rod to be larger than that of the first transmission rod.
7. The ophthalmic examination auxiliary device according to claim 6, wherein the transmission member comprises a gear, a first toothed plate and a second toothed plate, the first transmission rod is fixedly connected with a supporting rod, the gear is rotatably arranged on the supporting rod, the first toothed plate is fixedly connected to the side wall of the mounting groove, the second toothed plate is fixedly connected to the second transmission rod, and the first toothed plate and the second toothed plate are meshed with the gear;
the device also comprises an adjusting piece for adjusting the height of the second transmission rod close to one end of the supporting bar.
8. The ophthalmic examination auxiliary device according to claim 7, wherein the adjusting member comprises a third abutting portion, the second transmission rod comprises a third section and a fourth section which are slidably connected with each other, the support bar and the third abutting portion are both arranged on the third section, a second spring is arranged between the third section and the fourth section, a fourth abutting portion is arranged inside the mounting groove, and the fourth abutting portion is located on the movement stroke of the third abutting portion;
and the thickness of the first abutting portion is larger than that of the third abutting portion.
9. The ophthalmic examination auxiliary device according to claim 8, wherein the second section and the fourth section are elastic telescopic rods, first limiting blocks are arranged on the second section and the fourth section, second limiting blocks are arranged in the mounting groove, and the second limiting blocks are located on the movement stroke of the first limiting blocks.
10. The ophthalmic examination assisting device as claimed in claim 1, further comprising a slide rail, wherein the examination apparatus is slidably disposed on the slide rail, and wherein an arc-shaped support plate is slidably disposed on the slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410157909.1A CN117694816B (en) | 2024-02-04 | 2024-02-04 | Ophthalmic examination auxiliary device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410157909.1A CN117694816B (en) | 2024-02-04 | 2024-02-04 | Ophthalmic examination auxiliary device |
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| CN117694816A true CN117694816A (en) | 2024-03-15 |
| CN117694816B CN117694816B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410157909.1A Active CN117694816B (en) | 2024-02-04 | 2024-02-04 | Ophthalmic examination auxiliary device |
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| US3710788A (en) * | 1971-07-23 | 1973-01-16 | W Reeves | Eyelid support for invalids |
| US20160310003A1 (en) * | 2013-12-13 | 2016-10-27 | Kabushiki Kaisha Topcon | Ophthalmology apparatus |
| US20190290115A1 (en) * | 2018-03-22 | 2019-09-26 | Topcon Corporation | Ophthalmologic apparatus |
| CN112472021A (en) * | 2020-12-22 | 2021-03-12 | 方豫 | Eyelid spreader for patient in ophthalmologic examination |
| CN112494085A (en) * | 2020-12-12 | 2021-03-16 | 孙凤江 | Medical ophthalmology eye speculum |
| CN213821351U (en) * | 2020-08-27 | 2021-07-30 | 山东兰桥医学科技有限公司 | Cornea inspection device for ophthalmologic nursing |
| CN113974963A (en) * | 2021-12-14 | 2022-01-28 | 郑州大学第一附属医院 | Auxiliary medicine injection device for vitreous cavity |
| US20220110517A1 (en) * | 2020-10-13 | 2022-04-14 | Topcon Corporation | Ophthalmologic apparatus |
-
2024
- 2024-02-04 CN CN202410157909.1A patent/CN117694816B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3710788A (en) * | 1971-07-23 | 1973-01-16 | W Reeves | Eyelid support for invalids |
| US20160310003A1 (en) * | 2013-12-13 | 2016-10-27 | Kabushiki Kaisha Topcon | Ophthalmology apparatus |
| US20190290115A1 (en) * | 2018-03-22 | 2019-09-26 | Topcon Corporation | Ophthalmologic apparatus |
| CN213821351U (en) * | 2020-08-27 | 2021-07-30 | 山东兰桥医学科技有限公司 | Cornea inspection device for ophthalmologic nursing |
| US20220110517A1 (en) * | 2020-10-13 | 2022-04-14 | Topcon Corporation | Ophthalmologic apparatus |
| CN112494085A (en) * | 2020-12-12 | 2021-03-16 | 孙凤江 | Medical ophthalmology eye speculum |
| CN112472021A (en) * | 2020-12-22 | 2021-03-12 | 方豫 | Eyelid spreader for patient in ophthalmologic examination |
| CN113974963A (en) * | 2021-12-14 | 2022-01-28 | 郑州大学第一附属医院 | Auxiliary medicine injection device for vitreous cavity |
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|---|---|
| CN117694816B (en) | 2024-05-07 |
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