CN113576396A - Optical coherent elastography aassessment refraction operation cornea volume of removing device - Google Patents
Optical coherent elastography aassessment refraction operation cornea volume of removing device Download PDFInfo
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- CN113576396A CN113576396A CN202110868679.6A CN202110868679A CN113576396A CN 113576396 A CN113576396 A CN 113576396A CN 202110868679 A CN202110868679 A CN 202110868679A CN 113576396 A CN113576396 A CN 113576396A
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- 210000004087 cornea Anatomy 0.000 title claims abstract description 23
- 230000003287 optical effect Effects 0.000 title claims abstract description 17
- 238000002091 elastography Methods 0.000 title claims abstract description 15
- 230000001427 coherent effect Effects 0.000 title abstract description 4
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 238000001356 surgical procedure Methods 0.000 claims abstract description 13
- 238000002679 ablation Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000011156 evaluation Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 10
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002222 downregulating effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/1005—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring distances inside the eye, e.g. thickness of the cornea
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0075—Apparatus for testing the eyes; Instruments for examining the eyes provided with adjusting devices, e.g. operated by control lever
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
- A61B3/1208—Multiple lens hand-held instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
- A61B3/1225—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes using coherent radiation
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- Heart & Thoracic Surgery (AREA)
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- Eye Examination Apparatus (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention relates to a corneal ablation device, in particular to a corneal ablation device for evaluating refractive surgery through optical coherent elastography. The technical problems of the invention are as follows: an optical coherence elastography cornea removal quantity evaluation device for refractive surgery is provided, which can fix the position of a lens and can avoid too strong light from hurting the cornea of a patient. The invention provides a device for evaluating cornea removal amount in a refractive surgery by optical coherence elastography, which comprises a first support frame and a fixed frame, wherein the first support frame is arranged on one side of the fixed frame; the first support frame is provided with a concave mirror frame in a sliding manner; the first support frame is provided with a convex mirror frame in a sliding manner, and the convex mirror frame is positioned on one side of the concave mirror frame. According to the invention, through the matching of the concave mirror frame, the convex mirror frame, the shading mechanism and the buffer mechanism, the cornea thickness detection of a patient can be more conveniently carried out by medical personnel, and external light can be shielded, so that the detection result is more accurate.
Description
Technical Field
The invention relates to a corneal ablation device, in particular to a corneal ablation device for evaluating refractive surgery through optical coherent elastography.
Background
When light enters another medium with different refractive indexes from one medium, the advancing direction is changed, namely refraction is realized in the eye optics, and medical staff can measure the thickness of the cornea of a patient through a series of calculations by utilizing the principle of refraction, so that the subsequent cornea operation of the patient is facilitated.
The doctor generally can carry out the corneal thickness measurement to patient through the cooperation of light and lens, utilize light to pass lens irradiation in patient's eye, then the position of adjustment lens, the change of record light, accomplish measurement, such operation process is comparatively loaded down with trivial details, and when the position of adjustment lens, stabilizing lens that can not be fine, can influence the measuring result, and when light was too strong, patient's cornea may be hindered, the security is not high, therefore, an optical coherence elasticity imaging aassessment refractive surgery cornea removal volume device that can fixed lens's position and can avoid light to hinder patient's cornea too strong has been designed.
Disclosure of Invention
In order to overcome the defects that when the cornea thickness of a patient is measured manually, a lens cannot be well stabilized, and when the light is too strong, the cornea of the eye of the patient can be injured, the technical problems of the invention are as follows: an optical coherence elastography cornea removal quantity evaluation device for refractive surgery is provided, which can fix the position of a lens and can avoid too strong light from hurting the cornea of a patient.
The technical implementation scheme of the invention is as follows: an optical coherence elastography device for evaluating corneal ablation amount in refractive surgery, comprising:
the device comprises a first support frame and a fixed frame, wherein the first support frame is arranged on one side of the fixed frame;
the first support frame is provided with a concave mirror frame in a sliding manner;
the first support frame is provided with a convex mirror frame in a sliding manner, and the convex mirror frame is positioned on one side of the concave mirror frame;
one side of the fixed frame is provided with the shading mechanism;
and the buffer mechanism is arranged between the convex mirror frame and the concave mirror frame.
Optionally, the shading mechanism comprises:
the frame body is arranged on one side of the fixing frame and is positioned outside the first support frame;
the upper part of one side of the frame body is rotatably provided with the rotating plate;
the handle is arranged at the bottom of the frame body.
Optionally, the buffer mechanism comprises:
the upper parts of the first movable column, the concave mirror frame and the convex mirror frame are symmetrically and slidably provided with the first movable column;
the inner sides of the first movable columns are provided with rubber blocks;
the first spring is arranged between the rubber block on one side and the concave mirror frame, and the first spring is arranged between the rubber block on the other side and the convex mirror frame.
Optionally, the device further comprises a clamping mechanism, wherein the clamping mechanism comprises:
the first fixing columns are symmetrically arranged at the tops of the concave mirror frame and the convex mirror frame;
first movable plates are arranged between the first fixed columns on the same longitudinal side in a sliding manner;
the first spring is wound on the first fixed column, and two ends of the first spring are connected with the first fixed column and the first movable plate respectively;
the rubber rings are symmetrically arranged on two sides of the first movable plate and matched with the first support frame;
the bottom of the first movable plate is symmetrically provided with second fixed columns;
and the bottom of each second fixing column is provided with a fixing ring.
Optionally, also include adjustment mechanism, adjustment mechanism includes:
a second support frame is arranged on one side of the upper part of the first support frame;
the upper part of one side of the second support frame is symmetrically and slidably provided with a clamping rod;
the third spring is arranged between one side of the clamping rod and the second support frame;
the adjusting plate is arranged on the second supporting frame in a sliding mode, and the clamping rod clamps the adjusting plate.
Optionally, still including baffle mechanism, baffle mechanism includes:
the top of the fixing frame is symmetrically provided with supporting plates;
the second movable plate is arranged between the inner sides of the supporting plates in a sliding manner and is connected with the fixed frame in a sliding manner, and the second movable plate blocks the fixed frame;
the inner sides of the supporting plates are all wound with fourth springs, and two ends of each fourth spring are connected with the supporting plates and the second movable plate respectively.
Optionally, still include and block the mechanism, block the mechanism and include:
the middle parts of two sides of the top of the frame body are respectively provided with two supporting blocks;
the sliding rods are arranged between the two supporting blocks on the same lateral side in a sliding manner;
the movable plates are arranged on one sides of the sliding rods and matched with the rotating plates;
the sliding rods are wound with fifth springs, and two ends of each fifth spring are respectively connected with the movable plate and the supporting block on one side;
the fixing blocks are symmetrically arranged on one side of the top of the frame body;
the upper parts of the second movable columns and the fixed blocks are both provided with second movable columns in a sliding mode, the second movable columns are both connected with the movable plate on the same side, and the second movable columns are connected with the second movable plate.
Optionally, the middle parts of the two sides of the convex mirror frame and the concave mirror frame are respectively provided with a handle, so that medical personnel can conveniently move the positions of the convex mirror frame and the concave mirror frame.
Compared with the prior art, the invention has the following advantages: 1. according to the invention, through the matching of the concave mirror frame, the convex mirror frame, the shading mechanism and the buffer mechanism, the cornea thickness detection of a patient can be more conveniently carried out by medical personnel, and external light can be shielded, so that the detection result is more accurate.
2. According to the invention, the positions of the concave mirror frame and the convex mirror frame can be fixed through the clamping mechanism, so that the concave mirror frame and the convex mirror frame are prevented from moving to influence the detection result.
3. The invention can avoid the injury of the cornea of the patient caused by too strong light through the adjusting mechanism, and has higher safety.
4. According to the invention, through the matching of the baffle mechanism and the clamping mechanism, when medical personnel do not need to use the cornea removal device for refractive surgery, the interior of the frame body can be shielded and protected, and too much dust is prevented from entering.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a schematic view of a first partial body structure according to the present invention.
FIG. 3 is a schematic view of a second partial body structure according to the present invention.
Fig. 4 is a schematic perspective view of the light shielding mechanism of the present invention.
Fig. 5 is a schematic perspective view of a buffer mechanism according to the present invention.
Fig. 6 is a schematic perspective view of the clamping mechanism of the present invention.
Fig. 7 is a schematic perspective view of an adjusting mechanism according to the present invention.
Fig. 8 is a schematic perspective view of the shutter mechanism of the present invention.
Fig. 9 is a schematic perspective view of the chucking mechanism of the present invention.
The meaning of the reference symbols in the figures: 1: first support frame, 2: fixed frame, 3: concave mirror frame, 4: convex mirror frame, 5: light shielding mechanism, 50: frame, 51: rotating plate, 52: handle, 6: damping mechanism, 60: first movable column, 61: rubber block, 62: first spring, 7: clamping mechanism, 70: first fixing column, 71: second spring, 72: first movable plate, 73: rubber ring, 74: second fixing column, 75: fixing ring, 8: adjustment mechanism, 80: second support frame, 81: jamming rod, 82: third spring, 83: adjusting plate, 9: baffle mechanism, 90: support plate, 91: second movable plate, 92: fourth spring, 10: jamming mechanism, 1000: supporting block, 1001: a slide bar, 1002: moving plate, 1003: fifth spring, 1004: second movable column, 1005: and (5) fixing blocks.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.
Example 1
The utility model provides an optical coherence elasticity formation of image aassessment dioptric surgery cornea removal device, as shown in fig. 1-5, including first support frame 1, fixed frame 2, concave mirror frame 3, convex mirror frame 4, shading mechanism 5 and buffer gear 6, fixed frame 2 left side is equipped with first support frame 1, first support frame 1 goes up the slip formula and is equipped with concave mirror frame 3, first support frame 1 goes up the slip formula and is equipped with convex mirror frame 4, convex mirror frame 4 is located concave mirror frame 3 left side, fixed frame 2 left side is equipped with shading mechanism 5, be equipped with buffer gear 6 between convex mirror frame 4 and the concave mirror frame 3.
The shading mechanism 5 comprises a frame body 50, a rotating plate 51 and a handle 52, wherein the frame body 50 is arranged on the left side of the fixed frame 2, the frame body 50 is positioned on the outer side of the first support frame 1, the rotating plate 51 is rotatably arranged on the upper portion of the left side of the frame body 50, and the handle 52 is arranged at the bottom of the frame body 50.
Buffer gear 6 is including first activity post 60, block rubber 61 and first spring 62, and the equal front and back symmetry slidingtype in upper portion of concave mirror frame 3 and convex mirror frame 4 is equipped with first activity post 60, and first activity post 60 inboard all is equipped with block rubber 61, all is equipped with first spring 62 between block rubber 61 on right side and the concave mirror frame 3, also all is equipped with first spring 62 between left block rubber 61 and the convex mirror frame 4.
When medical personnel need to measure the thickness of the cornea of a patient, firstly hold the handle 52 by hand, move the cornea removal device for the refractive surgery, make the fixed frame 2 adhere to the eyes of the patient, then rotate the rotating plate 51 upwards to open, irradiate light from the left side of the frame body 50 to the right, make the light penetrate through the concave mirror frame 3 and the convex mirror frame 4 to irradiate in the eyes of the patient, the frame body 50 can avoid the influence of external light as much as possible, then the medical personnel can move the positions of the concave mirror frame 3 and the convex mirror frame 4 left and right, thereby the light irradiating in the eyes of the patient changes, when the concave mirror frame 3 and the convex mirror frame 4 are close to each other, the rubber block 61 is driven to move inwards, when the rubber block 61 is contacted with each other, the rubber block 61 and the first movable column 60 stop moving, the first spring 62 is compressed to play a role of buffering, and avoid the concave mirror frame 3 and the convex mirror frame 4 from being collided and damaged, then the first spring 62 is restored to the original state to drive the concave mirror frame 3 and the convex mirror frame 4 to be away from each other for resetting, after the detection is finished, the cornea removing amount device for the refractive surgery is taken down, and then the rotating plate 51 is rotated downwards and closed.
Example 2
On the basis of embodiment 1, as shown in fig. 2, 6 and 7, the portable electronic device further includes a clamping mechanism 7, the clamping mechanism 7 includes a first fixed column 70, a second spring 71, a first movable plate 72, a rubber ring 73, a second fixed column 74 and a fixed ring 75, the first fixed column 70 is symmetrically arranged at the front and back of the tops of the concave mirror frame 3 and the convex mirror frame 4, the first movable plate 72 is slidably arranged between the first fixed columns 70 at the same longitudinal side, the second spring 71 is wound around the first fixed column 70, two ends of the second spring 71 are respectively connected with the first fixed column 70 and the first movable plate 72, the rubber ring 73 is symmetrically arranged at the front and back of the left and right sides of the first movable plate 72, the rubber ring 73 is matched with the first support frame 1, the second fixed column 74 is symmetrically arranged at the front and back of the bottom of the first movable plate 72, and the fixed ring 75 is arranged at the bottom of the second fixed column 74.
When medical personnel need to move the concave mirror frame 3 and the convex mirror frame 4 about, earlier up promote solid fixed ring 75, drive second fixed column 74, first fly leaf 72 and rubber ring 73 up move, the compression of second spring 71, make rubber ring 73 and first support frame 1 separation, then can move the position of concave mirror frame 3 and convex mirror frame 4 about, after having adjusted concave mirror frame 3 and convex mirror frame 4 position, loosen solid fixed ring 75, the reconversion of second spring 71, drive solid fixed ring 75, second fixed column 74, first fly leaf 72 and rubber ring 73 move down and reset, make rubber ring 73 contact with first support frame 1 again, thereby fix the position of concave mirror frame 3 and convex mirror frame 4, avoid concave mirror frame 3 and convex mirror frame 4 to take place to remove at will and influence the testing result.
Still including adjustment mechanism 8, adjustment mechanism 8 is equipped with second support frame 80 including second support frame 80, kelly 81, third spring 82 and regulating plate 83 on the right side of 1 upper portion of first support frame, and second support frame 80 left side upper portion longitudinal symmetry slidingtype is equipped with kelly 81, all is equipped with third spring 82 between kelly 81 left side and the second support frame 80, and the slidingtype is equipped with regulating plate 83 on the second support frame 80, and kelly 81 blocks regulating plate 83.
After light passed concave mirror frame 3 and convex mirror frame 4, it could shine in patient's eye to pass regulating plate 83 again, thereby can avoid the intensity of light too strong and hinder patient's eyes, when light is more weak, can push down trip lever 81 by a left side, third spring 82 is tensile, then upwards stimulate regulating plate 83, make regulating plate 83 no longer block light, then can loosen trip lever 81, regulating plate 83 can withstand trip lever 81, after the detection is accomplished, medical personnel can push down regulating plate 83 and reset, when round hole on trip lever 81 and regulating plate 83 aligns, third spring 82 reconversion, it resets and blocks regulating plate 83 again to drive trip lever 81 and move to the right, then can loosen regulating plate 83.
Example 2
On the basis of embodiment 1, as shown in fig. 1, fig. 2, fig. 8 and fig. 9, the mobile phone further includes a baffle mechanism 9, the baffle mechanism 9 includes a supporting plate 90, a second movable plate 91 and a fourth spring 92, the supporting plate 90 is symmetrically arranged at the front and back of the top of the fixed frame 2, the second movable plate 91 is slidably arranged between the inner sides of the supporting plates 90, the second movable plate 91 is slidably connected with the fixed frame 2, the second movable plate 91 blocks the fixed frame 2, the fourth spring 92 is wound around the inner sides of the supporting plates 90, and both ends of the fourth spring 92 are respectively connected with the supporting plate 90 and the second movable plate 91.
The clamping mechanism 10 comprises supporting blocks 1000, sliding rods 1001, a moving plate 1002, a fifth spring 1003, a second movable column 1004 and a fixed block 1005, two supporting blocks 1000 are arranged in the middle of the front side and the rear side of the top of the frame body 50, the sliding rods 1001 are arranged between the two supporting blocks 1000 on the same transverse side in a sliding mode, the moving plate 1002 is arranged on the left side of each sliding rod 1001, the moving plate 1002 is matched with the rotating plate 51, the fifth spring 1003 is wound on each sliding rod 1001, two ends of the fifth spring 1003 are connected with the moving plate 1002 and the supporting blocks 1000 on the left side respectively, the fixed blocks 1005 are symmetrically arranged on the front side and the rear side of the top of the frame body 50, the second movable column 1004 is arranged on the upper portion of each fixed block 1005 in a sliding mode, the second movable columns 1004 are connected with the moving plates 1002 on the same side, and the second movable columns 1004 are connected with the second movable plates 91.
When the medical staff rotates the rotating plate 51 upwards to open, the rotating plate 51 contacts with the moving plate 1002, the sliding rod 1001 and the second moving column 1004 move rightwards by being pressed, the fifth spring 1003 is compressed, the second moving column 1004 loosens the second moving plate 91, the fourth spring 92 restores to the original state at the moment, the second moving plate 91 is driven to move upwards, the second moving plate 91 does not block the fixed frame 2 any more, light can irradiate the eyes of the patient through the concave mirror frame 3 and the convex mirror frame 4, after the detection is finished, the second moving plate 91 is pushed downwards to reset, the fourth spring 92 is stretched, the second moving plate 91 restores to the original state, the rotating plate 51 rotates downwards to close, the rotating plate 51 is separated from the moving plate 1002, the fifth spring 1003 restores to the original state, and the moving plate 1002 is driven, The sliding rod 1001 and the second movable post 1004 are moved to the left to be reset, so that the second movable post 1004 re-locks the second movable plate 91, and then the second movable plate 91 can be released.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. An optical coherence elastography device for evaluating cornea removal amount in refractive surgery is characterized by comprising: the supporting frame comprises a first supporting frame (1) and a fixed frame (2), wherein the first supporting frame (1) is arranged on one side of the fixed frame (2);
the concave mirror frame (3) is arranged on the first support frame (1) in a sliding manner;
the first support frame (1) is provided with a convex mirror frame (4) in a sliding mode, and the convex mirror frame (4) is located on one side of the concave mirror frame (3);
the shading mechanism (5) is arranged on one side of the fixed frame (2);
the buffer mechanism (6) is arranged between the convex lens frame (4) and the concave lens frame (3).
2. An optical coherence elastography apparatus for assessing refractive surgical corneal ablation as claimed in claim 1, wherein the shutter means (5) comprises:
the frame body (50) is arranged on one side of the fixed frame (2), and the frame body (50) is positioned on the outer side of the first support frame (1);
a rotating plate (51), wherein the upper part of one side of the frame body (50) is rotatably provided with the rotating plate (51);
the handle (52) is arranged at the bottom of the frame body (50).
3. An optical coherence elastography apparatus for assessing refractive surgical corneal ablation as claimed in claim 2, wherein the buffer means (6) comprises:
the upper parts of the first movable column (60), the concave mirror frame (3) and the convex mirror frame (4) are symmetrically and slidably provided with the first movable column (60);
the inner sides of the first movable columns (60) are provided with rubber blocks (61);
first spring (62), all be equipped with first spring (62) between the rubber block (61) of one side and concave picture frame (3), also all be equipped with first spring (62) between the rubber block (61) of opposite side and convex picture frame (4).
4. An optical coherence elastography apparatus for assessing refractive surgical corneal ablation as claimed in claim 3, further comprising a clamping mechanism (7), the clamping mechanism (7) comprising:
the first fixing columns (70) are symmetrically arranged at the tops of the first fixing columns (70), the concave mirror frame (3) and the convex mirror frame (4);
the first movable plates (72) are arranged between the first fixed columns (70) on the same longitudinal side in a sliding manner;
the second springs (71) are wound on the first fixed columns (70), and two ends of each second spring (71) are respectively connected with the first fixed columns (70) and the first movable plates (72);
the rubber rings (73) are symmetrically arranged on two sides of the first movable plate (72), and the rubber rings (73) are matched with the first support frame (1);
the bottom of the first movable plate (72) is symmetrically provided with second fixed columns (74);
the bottom of the fixing ring (75) and the bottom of the second fixing column (74) are both provided with the fixing ring (75).
5. An optical coherence elastography apparatus for assessing refractive surgical corneal ablation as claimed in claim 4, further comprising an adjustment mechanism (8), the adjustment mechanism (8) comprising:
a second support frame (80), wherein one side of the upper part of the first support frame (1) is provided with the second support frame (80);
the upper part of one side of the second support frame (80) is symmetrically and slidably provided with a clamping rod (81);
a third spring (82) is arranged between one side of the clamping rod (81) and the second support frame (80);
the adjusting plate (83) is arranged on the second supporting frame (80) in a sliding mode, and the clamping rod (81) clamps the adjusting plate (83).
6. An optical coherence elastography apparatus for assessing refractive surgical corneal ablation as claimed in claim 5, further comprising a shutter mechanism (9), the shutter mechanism (9) comprising:
the supporting plates (90) are symmetrically arranged at the top of the fixing frame (2);
a second movable plate (91) is arranged between the inner sides of the supporting plates (90) in a sliding manner, the second movable plate (91) is connected with the fixed frame (2) in a sliding manner, and the second movable plate (91) blocks the fixed frame (2);
the inner sides of the supporting plates (90) are all wound with fourth springs (92), and two ends of each fourth spring (92) are connected with the supporting plates (90) and the second movable plate (91) respectively.
7. An optical coherence elastography apparatus for assessing refractive surgical corneal ablation as claimed in claim 6, further comprising a chucking mechanism (10), the chucking mechanism (10) comprising:
the middle parts of two sides of the top of the frame body (50) are respectively provided with two supporting blocks (1000);
the sliding rod (1001) is arranged between the two supporting blocks (1000) on the same side in the transverse direction in a sliding mode; the movable plate (1002) is arranged on one side of each sliding rod (1001), and the movable plates (1002) are matched with the rotating plate (51);
the sliding rods (1001) are all wound with fifth springs (1003), and two ends of each fifth spring (1003) are respectively connected with the moving plate (1002) and the supporting block (1000) on one side;
the fixing blocks (1005) are symmetrically arranged on one side of the top of the frame body (50);
the upper parts of the fixed blocks (1005) are respectively provided with a second movable column (1004) in a sliding manner, the second movable columns (1004) are respectively connected with the movable plate (1002) at the same side, and the second movable columns (1004) are connected with the second movable plate (91).
8. The apparatus for evaluating the corneal ablation amount in refractive surgery according to claim 1, wherein the convex lens frame (4) and the concave lens frame (3) are provided with grips at the middle portions of both sides thereof for facilitating the medical staff to move the positions of the convex lens frame (4) and the concave lens frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110868679.6A CN113576396B (en) | 2021-07-30 | 2021-07-30 | Device for evaluating removal amount of cornea in refractive surgery through optical coherence elastography |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110868679.6A CN113576396B (en) | 2021-07-30 | 2021-07-30 | Device for evaluating removal amount of cornea in refractive surgery through optical coherence elastography |
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| Publication Number | Publication Date |
|---|---|
| CN113576396A true CN113576396A (en) | 2021-11-02 |
| CN113576396B CN113576396B (en) | 2023-11-24 |
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| CN202110868679.6A Active CN113576396B (en) | 2021-07-30 | 2021-07-30 | Device for evaluating removal amount of cornea in refractive surgery through optical coherence elastography |
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