CN203408123U - Quick animal cornea cutting device - Google Patents

Abstract

The utility model provides a quick animal cornea cutting device which comprises a front eyeball fixing box and a rear eyeball fixing box, wherein the front eyeball fixing box and the rear eyeball fixing box can be buckled together to fix an animal eyeball. The front eyeball fixing box and the rear eyeball fixing box are respectively provided with an eyeball fixing needle; the rear eyeball fixing box is provided with a rotary sclerotome which can cut a sclera open; a cornea cutter can penetrate through the cut sclera to move downwards along a through sliding cavity between the two boxes and act with a fixing cutter barrel of the outer ring of a cornea contact grid to cut off a cornea; when a movable sucking bracket is pulled outwards, a movable sealing ring is stretched to expand the size of the inside of a negative pressure fixing cavity, and negative pressure is generated, so that the cornea is sucked to the breathable cornea contact grid to be taken out; after the movable sucking bracket is pulled out, the movable sealing ring returns to an original shape, the negative pressure disappears, and the cornea on the cornea contact grid can be easily taken off for further scientific researches and application. The quick animal cornea cutting device has the advantages that the animal eyeball can be conveniently and quickly cut by hand, so that the standardized cornea with smooth edges can be obtained for scientific researches and application.

Description

A kind of quick animal eye corneal ablation device

Technical field

This utility model relates to a kind of quick animal eye corneal ablation device.

Background technology

Chemicals in toxicology evolution in modern age is for often requiring to carry out corresponding toxicological experiment in the evaluation of eye stimulation section and scientific research, past, most of experiment adopted living animal to carry out, present use living animal experiment less and less, more focus on be use substitute and with in vitro animal organ as clavus cornea, rabbit eyes cornea, Oculus sus domestica cornea, buphthalmos cornea etc. carries out corrosivity, cloudiness, the experiment of permeability etc. check alternative method, in general clinical medicine scientific research, relating to artificial cornea in addition develops, mankind's curing eye diseases and analysis, the fields such as the transplanting of mankind's cornea and veterinary's animal ophthalmology scientific research need to be used animal eye cornea to carry out scientific experiment in a large number, in teaching process, also all need a large amount of use animal eye corneas to complete, cutting in the past animal eye cornea and be all simple another hands of animal eyeball of holding on the other hand punctures sclera with scissors and cuts cornea along edge of cornea, during operation, eyeball is smooth takes incessantly, scissors are difficult to puncture solid sclera, cornea is sheared to be not easy again to control etc. to cause and is difficult to reach perfect consistent scientific and normalization, affect to a certain extent scientific experiments operation and easily scratched again operator, the inconvenience bringing while particularly carrying out scientific experiment in enormous quantities is more aobvious outstanding, can not adapt to current relevant scientific research and experiment needs, hindered the deep development of correlational study, in order to overcome above-mentioned difficulties, it is convenient fundamentally to solve in scientific research and experiment, fast, safety, accurately, the problem of carrying out the work of a large amount of animal eye corneal ablation of standard, meet the needs of scientific experiments condition, therefore a kind of research and development of quick animal eye corneal ablation device have just become the inevitable and project in the urgent need to researching and developing.

Summary of the invention

For solving the problem existing in above-mentioned technology, the purpose of this utility model is to provide a kind of quick animal eye corneal ablation device, realization in scientific research and experiment convenient, fast, safe, accurate, standard carry out the work of a large amount of animal eye corneal ablation, meet the needs of scientific experiments condition

For achieving the above object, the technical solution of the utility model is to provide a kind of quick animal eye corneal ablation device, comprise one by box connecting thread, can be closely together by animal eyeball firm front eyeball fixed bin and rear eyeball fixed bin motionless in the middle of being fixed on, on two boxes, all there is eyeball locking pin, in the middle of two boxes, connect a circular hole with the animal eye cornea equal diameter that will cut, a corneal ablation cutter can move up and down through circular hole, the rotational slide in rotary chute of rotation sclerectome is installed on the circular hole edge on rear eyeball fixed bin, can be by one of the scleral incision of animal eyeball back the circular incision with the same size shape of corneal ablation cutter, can make corneal ablation cutter inner through animal eyeball, vitreous body diameter in animal eyeball is less than corneal ablation cutter internal diameter, can not affect the motion of corneal ablation cutter, when the downward smooth arrival of corneal ablation cutter is adjacent to the animal eye cornea place on Corneal Contact grid, Corneal Contact grid have outward a circle dead knife cylinder can with corneal ablation cutter mutually form shear action by animal eye cornea cutting down along cornea line of cut clarity, Corneal Contact grid are arranged on a movable suction bracket, in movable suction bracket, there is the sealing ring that can be shifted to be adjacent to slippage chamber, when with hands, outwards bracket is aspirated in twitch activity, the sealing ring that can be shifted is adjacent to slippage chamber and moves, producing certain negative pressure makes the animal eye cornea cutting tightly be attached on Corneal Contact grid intact along with activity suction bracket takes out, the sealing ring that can be shifted after taking-up activity suction bracket relaxes, the negative pressure of slippage intracavity is eliminated, just can conveniently from Corneal Contact grid, obtain the perfect animal eye cornea of neat in edge, so that carry out again afterwards next step cornea scientific research and application.

The beneficial effects of the utility model are: this device can cut animal eyeball by simple manual action, conveniently obtain the perfect consistent cornea of neat in edge, more fast, convenient and safe, accurate, standard carry out cornea scientific research and application.

Accompanying drawing explanation

Accompanying drawing is the schematic diagram of this utility model structure.

In figure:

1. hollow dise knife cylinder 3. circular knife edge 4. of corneal ablation cutter 2. are rotated sclerectomes

5. rear eyeball fixed bin 8. eyeball locking pins of sclera point of a knife 6. rotary chute 7.

9. front eyeball fixed bin 11. dead knife cylinder 12. negative pressure lock chambers of box connecting thread 10.

The movable suction of the 13. Corneal Contact grid 14. brackets 15. sealing ring 16. slippage chambeies that can be shifted

17. animal eye cornea 18. cornea line of cut 19. sclera 20. vitreous body

21. animal eyeball 22. sclera lines of cut.

The specific embodiment

By reference to the accompanying drawings and embodiment this utility model is illustrated.

As shown in drawings, this utility model provides a kind of quick animal eye corneal ablation device, comprise one by box connecting thread 9, be closely together by the firm front eyeball fixed bin motionless in the middle of being fixed on 10 of animal eyeball 21 and rear eyeball fixed bin 7, front eyeball fixed bin 10 is that the inside of being made by resistant material presents the circle bowl that circular the rim of a bowl makes progress, circle bowl inwall is round and smooth clean, there is a cylindrical shape through hole bowl bottom, the internal diameter in the slippage chamber 16 in through hole is equal to the internal diameter in slippage chamber 16 in rear eyeball fixed bin 7 through holes, corneal ablation cutter 1 external diameter, rotation sclerectome 4 internal diameters, on movable suction bracket, 14 dead knife cylinder 11 external diameters and maintenance are with one heart, these apertures are all large than the diameter dimension of the animal eye cornea 17 that will place, several directions for front eyeball fixed bin 10 same level position, circle bowl middle part symmetries several apertures of a circle of evenly arranging, in each aperture, can push from outside to inside eyeball locking pin 8 fixes animal eyeball 21 push-tights, eyeball locking pin 8 is pin shape locking pins that there is handle at the smooth in appearance rear portion of being made by resistant material, the external diameter of eyeball locking pin 8 can with front eyeball fixed bin 10 and rear eyeball fixed bin 7 on aperture closely cooperate to advance and pull out, at pin top, there is sharply tiny tip can thrust animal eyeball 21 but not cause too large cut to fix animal eyeball 21, the rim of a bowl outside one circle of front eyeball fixed bin 10 circle bowls have external screw thread mouth can with rear eyeball fixed bin 7 animal eyeball 21 that is tightened, rear eyeball fixed bin 7 is that the inside of being made by resistant material presents the downward circle bowl of circular the rim of a bowl, circle bowl inwall is round and smooth clean, a cylindrical shape through hole is arranged at bowl top, top, the end, the internal diameter in the slippage chamber 16 in through hole is equal to slippage chamber 16 internal diameters in front eyeball fixed bin 10 through holes, corneal ablation cutter 1 external diameter, rotation sclerectome 4 internal diameters, dead knife cylinder 11 external diameters on movable suction bracket 14 and maintenance are with one heart, these apertures are all large than the diameter dimension of the animal eye cornea 17 that will place, several directions for rear eyeball fixed bin 7 same level position, circle bowl middle part symmetries several apertures of a circle of evenly arranging, in each aperture, can push from outside to inside eyeball locking pin 8 fixes animal eyeball 21 push-tights, be positioned at the following circle of the rim of a bowl have inner thread mouth can with outer eyeball fixed bin 7 animal eyeball 21 that is tightened, the round and smooth bright and clean rotary chute 6 of inner surface that rear eyeball fixed bin 7 upper surfaces have a circle shape, can coordinate and keep the rotation of sliding with the round and smooth bright and clean rotary chute 6 of 4 times outstanding outer surfaces of rotation sclerectome, in the middle of two boxes, connect a circle hole shape slippage chamber 16 with animal eye cornea 17 equal diameter that will cut, rotation sclerectome 4 is by circular hollow sleeve hard and that resistant material is made, equidistant several the sharp keen canine tooth shape sclera points of a knife 5 that is provided with of lower limb at sleeve endoporus, the bottom of rotation sclerectome 4 cannulated sleeves has a round and smooth bright and clean rotary chute 6 of outstanding outer surface to coordinate location by round and smooth bright and clean rotary chute 6 with the inner surface of a circle shape of rear eyeball fixed bin 7 upper surfaces, guaranteeing to rotate sclerectome 4 cuts in the hard sclera 19 at animal eyeball 21 rear portions that are fixed on front eyeball fixed bin 10 and rear eyeball fixed bin 7 inside with a position accurately, and can keep along cutting with the concentric sclera line of cut 22 forming that slides of corneal ablation cutter 1 external diameter one circle, the sclera of animal eyeball 21 back 19 can be cut to a circular incision with corneal ablation cutter 1 the same size shape, corneal ablation cutter 1 can enter from here animal eyeball 21 and arrive and be adjacent to animal eye cornea 17 places on Corneal Contact grid 13 smoothly downwards through inner, corneal ablation cutter 1 is a special cartridge type cutter by hard and circular hollow sleeve-shaped that resistant material is made, its top is a round handle, bottom is connecting hollow dise knife cylinder 2, the external diameter of hollow dise knife cylinder 2 is equal to slippage chamber 16 internal diameters in front eyeball fixed bin 10 and rear eyeball fixed bin 7 through holes, rotation sclerectome 4 internal diameters, when dead knife cylinder 11 external diameters on movable suction bracket 14 and portion's slip within it, keep with one heart, corneal ablation cutter 1 is the circular knife edge 3 that a circle is sharp bottom, corneal ablation cutter 1 can insert in slippage chamber 16 circular holes on rear eyeball fixed bin 7 tops, sclera 19 upper circular sclera line of cut 22 openings of shifting 4 incisions of rotation sclerectome downwards onto stretch into, because connect a circle hole shape slippage chamber 16 with animal eye cornea 17 equal diameter that will cut in the middle of two boxes, so can be smoothly penetrating along the direction in circular hole slippage chamber 16 sclera 19 otch that are cut open downwards slowly, corneal ablation cutter 1 enters animal eyeball 21 inside, animal eyeball 21 inside are all that vitreous body 20 diameters in liquid and animal eyeball 21 are less than corneal ablation cutter 1 internal diameter substantially, can not affect 1 motion of corneal ablation cutter, when the downward smooth arrival of corneal ablation cutter 1 is adjacent to animal eye cornea 17 place on Corneal Contact grid 13, with hands, strengthen strength and press corneal ablation cutter 1 downwards, Corneal Contact grid 13 are outer has a circle dead knife cylinder 11 mutually to form shear action with corneal ablation cutter 1, sliding fast animal eye cornea 17 is cut down and just in time fall on Corneal Contact grid 13 along cornea line of cut 18 clarities, Corneal Contact grid 13 and dead knife cylinder 11 are arranged on a movable suction bracket 14, movable suction bracket 14 be one can be from being inserted into below the bracket with handle in slippage chamber 16 in eyeball fixed bin 10 through holes, the Corneal Contact grid 13 of installing in activity suction bracket 14 tops are and justifying bowl of making consistent with animal eye cornea 17 profiles and radian, the inner smooth surface of whole circle bowl but whole being covered with in the negative pressure lock chamber 12 that even small ventilating holes is connected to boring, Corneal Contact grid 13 edge one circles are dead knife cylinders 11, the following connection of dead knife cylinder 11 can be aspirated the be shifted sealing ring 15 that bracket 14 moves and stretch with activity, when animal eye cornea 17 is cut the handle of the movable suction of backward outer pull bracket 14, because closely cooperating, the internal diameter in slippage chamber 16 in the external diameter of the sealing ring 15 that can be shifted and front eyeball fixed bin 10 through holes causes certain resistance, the sealing ring 15 that makes to be shifted extends, having expanded negative pressure fixes, 12 internal volume, and then cause internal negative pressure to strengthen, Corneal Contact will be covered naturally, animal eye cornea 17 on 13 tightly adsorbs, along with activity suction bracket 14 is drawn out slippage chamber 16 in front eyeball fixed bin 10 through holes, after taking-up activity suction bracket 14, lie on desk, now because the sealing ring 15 that can be shifted recovers nature shape, can be shifted sealing ring 15 owing to not having External Force Acting just naturally to relax, make the internal volume of negative pressure lock chamber 12 become original state again, because inside has not had negative pressure, animal eye cornea 17 is just no longer tightly attached on Corneal Contact grid 13, can be easy to conveniently from naturally covering Corneal Contact grid 13, be taken off gently, thereby it is perfect to obtain neat in edge, standardized animal eye cornea 17 is so that carry out afterwards next step cornea scientific research and application again.

embodiment:

During use, first be ready to fresh in vitro animal eyeball 21 for experiment, and according to animal eye cornea 17 cutter sweeps of the selected corresponding size dimension of applied type of animal, and carry out disinfection in advance and partition work, first activity suction bracket 14 is advanced in slippage chamber 16 circular holes of front eyeball fixed bin 10 bottoms, allow the sealing ring 15 that can be shifted be adjacent to slippage chamber 16 good seals, the in vitro animal eyeball 21 of selecting is put into front eyeball fixed bin 10 garden groove downwards allows animal eye cornea 17 just in time be adjacent on Corneal Contact grid 13, and guarantee on cornea line of cut 18 circles of dead knife cylinder 11 positive alignment animal eye corneas 17 on Corneal Contact grid 13 and sclera 19 intersections, rear eyeball fixed bin 7 is sleeved on to front eyeball fixed bin 10 tops, tighten the inner and outer box connecting thread 9 of two boxes, then install eyeball locking pin 8, at this time animal eyeball 21 is substantially firmly fixed in box body and can not rotates or slippage activity, rotation sclerectome 4 is aligned in the rotary chute 6 of installing on circular hole edge on rear eyeball fixed bin 7, flicking makes the pointed blades of sclera point of a knife 5 puncture sclera 19 and according to the blade cut-out direction slip rotation of sclera point of a knife 5, takes advantage of a situation a circle by sclera 19 incisions simultaneously downwards, again corneal ablation cutter 1 is inserted in slippage chamber 16 circular holes on rear eyeball fixed bin 7 tops, sclera 19 upper circular sclera line of cut 22 openings of shifting 4 incisions of rotation sclerectome downwards onto stretch into, because connect a circle hole shape slippage chamber 16 with animal eye cornea 17 equal diameter that will cut in the middle of two boxes, so can be smoothly penetrating along the direction in circular hole slippage chamber 16 sclera 19 otch that are cut open downwards slowly, corneal ablation cutter 1 enters animal eyeball 21 inside, animal eyeball 21 inside are all that vitreous body 20 diameters in liquid and animal eyeball 21 are less than corneal ablation cutter 1 internal diameter substantially, can not affect 1 motion of corneal ablation cutter, when the downward smooth arrival of corneal ablation cutter 1 is adjacent to animal eye cornea 17 place on Corneal Contact grid 13, with hands, strengthen strength and press corneal ablation cutter 1 downwards, Corneal Contact grid 13 are outer has a circle dead knife cylinder 11 mutually to form shear action with corneal ablation cutter 1, sliding fast animal eye cornea 17 is cut down and just in time fall on Corneal Contact grid 13 along cornea line of cut 18 clarities, Corneal Contact grid 13 are arranged on a movable suction bracket 14, movable suction bracket 14 be one can be from being inserted into below the bracket with handle in slippage chamber 16 in eyeball fixed bin 10 through holes, in activity suction bracket 14 tops, Corneal Contact grid 13 are installed, it is and the circle bowl made consistent with animal eye cornea 17 profiles and radian, the inner smooth surface of whole circle bowl but whole being covered with in the negative pressure lock chamber 12 that even small ventilating holes is connected to boring, Corneal Contact grid 13 edge one circles are dead knife cylinders 11, the following connection of dead knife cylinder 11 can be aspirated the be shifted sealing ring 15 that bracket 14 moves and stretch with activity, after animal eye cornea 17 is cut, whole device is gently picked up in have gentle hands of use, another hands pulls out movable absorption bracket 14 downwards, when the handle of bracket 14 is aspirated in outside pull activity, because closely cooperating, slippage chamber 16 internal diameters in can be shifted sealing ring 15 external diameters and front eyeball fixed bin 10 through holes cause certain resistance, the sealing ring 15 that makes to be shifted extends, expand the internal volume of negative pressure lock chamber 12 and then caused internal negative pressure to strengthen, naturally the animal eye cornea 13 covering on Corneal Contact grid 13 is tightly adsorbed, along with activity suction bracket 14 is drawn out slippage chamber 16 in front eyeball fixed bin 10 through holes, after taking-up activity suction bracket 14, lie on desk, now because the sealing ring 15 that can be shifted recovers nature shape, can be shifted sealing ring 15 owing to not having External Force Acting just naturally to relax, make the internal volume of negative pressure lock chamber 12 become original state again, inside has not had negative pressure, animal eye cornea 17 is just no longer tightly attached on Corneal Contact grid 13, can be easy to conveniently from naturally covering Corneal Contact grid 13, be taken off gently, thereby it is perfect to obtain neat in edge, standardized animal eye cornea 13, so that carry out again afterwards next step cornea scientific research and application.

Claims (7)

1. a quick animal eye corneal ablation device, it is characterized in that: this device comprises the front eyeball fixed bin (10) and rear eyeball fixed bin (7) being closely together by box connecting thread (5), make animal eyeball (21) firm motionless in the middle of being fixed on, on front eyeball fixed bin (10) and rear eyeball fixed bin (7), all there is eyeball locking pin (8), in the middle of two fixed bins, connect a circular hole with animal eye cornea (17) equal diameter that will cut, a corneal ablation cutter (1) can move up and down through circular hole, the rotational slide in rotary chute (6) of rotation sclerectome (4) is installed on the circular hole edge on rear eyeball fixed bin (7), the sclera (19) of animal eyeball (21) back can be cut to a circular incision with the same size shape of corneal ablation cutter (1), corneal ablation cutter (1) can enter animal eyeball (21) from here, vitreous body diameter in animal eyeball (21) is less than corneal ablation cutter (1) internal diameter, corneal ablation cutter (1) is located through the inner animal eye cornea (17) being adjacent on Corneal Contact grid (13) that arrives smoothly downwards, Corneal Contact grid (13) are outer has a circle dead knife cylinder (11) mutually to form shear action with corneal ablation cutter (1), by animal eye cornea (17) cutting down along cornea line of cut (18) clarity, Corneal Contact grid (13) are arranged on a movable suction bracket (14), in movable suction bracket (14), there is the sealing ring (15) that can be shifted to be adjacent to slippage chamber (16), when with hands, outwards bracket (14) is aspirated in twitch activity, it is mobile that the sealing ring (15) that can be shifted is adjacent to slippage chamber (16), producing certain negative pressure makes the animal eye cornea (17) cutting tightly be attached on Corneal Contact grid (13) intact along with activity suction bracket (14) takes out, the sealing ring (15) that can be shifted after taking-up activity suction bracket (14) relaxes, negative pressure in slippage chamber (16) is eliminated, just can be conveniently from Corneal Contact grid (13) obtain the perfect animal eye cornea of neat in edge (17).

2. a kind of quick animal eye corneal ablation device according to claim 1, it is characterized in that: described front eyeball fixed bin (10) is that the inside of being made by resistant material presents the circle bowl that circular the rim of a bowl makes progress, circle bowl inwall is round and smooth clean, there is a cylindrical shape through hole bowl bottom, the internal diameter in the slippage chamber (16) in through hole is equal to slippage chamber (16) internal diameter in rear eyeball fixed bin (7) through hole, corneal ablation cutter (1) external diameter, rotation sclerectome (4) internal diameter, the external diameter of the dead knife cylinder (11) on movable suction bracket (14) and maintenance are with one heart, these apertures are all large than animal eye cornea (17) diameter dimension that will place, several directions for same level position, front eyeball fixed bin (10) circle bowl middle part symmetry several apertures of a circle of evenly arranging, in each aperture, can push from outside to inside eyeball locking pin (8) fixes animal eyeball (21) push-tight, be positioned at the rim of a bowl outside one circle have external screw thread mouth can with rear eyeball fixed bin (7) animal eyeball (21) that is tightened.

3. a kind of quick animal eye corneal ablation gasifying device according to claim 1, it is characterized in that: described rear eyeball fixed bin (7) is that the inside of being made by resistant material presents the downward circle bowl of circular the rim of a bowl, circle bowl inwall is round and smooth clean, a cylindrical shape through hole is arranged at bowl top, top, the end, the internal diameter in the slippage chamber (16) in through hole is equal to slippage chamber (16) internal diameter in front eyeball fixed bin (10) through hole, corneal ablation cutter (1) external diameter, rotation sclerectome (4) internal diameter, the external diameter of the dead knife cylinder (11) on movable suction bracket (14) and maintenance are with one heart, these apertures are all large than the diameter dimension of the animal eye cornea (17) that will place, several directions for same level position, rear eyeball fixed bin (7) circle bowl middle part symmetry several apertures of a circle of evenly arranging, in each aperture, can push from outside to inside eyeball locking pin (8) fixes animal eyeball (21) push-tight, be positioned at the following circle of the rim of a bowl have inner thread mouth can with front eyeball fixed bin (10) animal eyeball (21) that is tightened, rear eyeball fixed bin (7) upper surface has the round and smooth bright and clean rotary chute of inner surface (6) of a circle shape, can coordinate and keep the rotation of sliding with the lower outstanding round and smooth bright and clean rotary chute of outer surface (6) of rotation sclerectome (4).

4. a kind of quick animal eye corneal ablation according to claim 1 is put, it is characterized in that: described eyeball locking pin (8) is the pin shape locking pin that there is handle at the smooth in appearance rear portion of being made by resistant material, the external diameter of eyeball locking pin (8) can with front eyeball fixed bin (10) and rear eyeball fixed bin (7) on aperture closely cooperate to advance and pull out, at pin top, sharp-pointed tiny tip can thrust animal eyeball (21) but not cause too large cut to fix animal eyeball (21).

5. a kind of quick animal eye corneal ablation device according to claim 1, it is characterized in that: described rotation sclerectome (4) is by circular hollow sleeve hard and that resistant material is made, equidistant several the sharp keen canine tooth shape sclera points of a knife (5) that is provided with of lower limb at sleeve endoporus, the bottom of rotation sclerectome (4) cannulated sleeve has a round and smooth bright and clean rotary chute of outstanding outer surface (6) to coordinate location with the round and smooth bright and clean rotary chute of inner surface (6) of a circle shape of rear eyeball fixed bin (7) upper surface, guaranteeing to rotate sclerectome (4) cuts in the hard sclera (19) at animal eyeball (21) rear portion that is fixed on front eyeball fixed bin (10) and rear eyeball fixed bin (7) inside with a position accurately, and can keep along cutting with the concentric slip of corneal ablation cutter (1) external diameter one circle.

6. a kind of quick animal eye corneal ablation device according to claim 1, it is characterized in that: described corneal ablation cutter (1) is a special cartridge type cutter by hard and circular hollow sleeve-shaped that resistant material is made, its top is a round handle, bottom is connecting hollow dise knife cylinder (2), the external diameter of hollow dise knife cylinder (2) is equal to slippage chamber (6) internal diameter in front eyeball fixed bin (10) and rear eyeball fixed bin (7) through hole, rotation sclerectome (4) internal diameter, the external diameter of the dead knife cylinder (11) on movable suction bracket (14), and when sliding, keep with one heart, corneal ablation cutter (1) is the circular knife edge that a circle is sharp (3) bottom, corneal ablation cutter (1) can insert in the circular hole of the slippage chamber (16) on rear eyeball fixed bin (7) top, sclera (19) upper circular sclera line of cut (22) opening of shifting rotation sclerectome (4) incision downwards onto stretches into, dead knife cylinder (11) external diameter on circular knife edge (3) and movable suction bracket (14) forms shear action mutually by animal eye cornea (17) cutting down along cornea line of cut (18) clarity.

7. a kind of quick animal eye corneal ablation device according to claim 1, it is characterized in that: described movable suction bracket (14) be one can be from being inserted into below the bracket with handle in the slippage chamber (16) in eyeball fixed bin (10) through hole, Corneal Contact grid (13) are installed in bracket top, one and animal eye cornea (17) profile, the circle bowl that radian is all unanimously made, the inner smooth surface of whole circle bowl but whole being covered with in the negative pressure lock chamber (12) that even small ventilating holes is connected to boring, Corneal Contact grid (13) edge one circle is dead knife cylinder (11), dead knife cylinder (11) below connection can aspirate mobile the be shifted sealing ring (15) stretching of bracket (14) with activity, when animal eye cornea (17) is cut the handle of backward outer pull movable suction bracket (14), because closely cooperating, slippage chamber (16) internal diameter in can be shifted sealing ring (15) external diameter and front eyeball fixed bin (10) through hole causes certain resistance, the sealing ring (15) that makes to be shifted extends, expand the internal volume of negative pressure lock chamber (12) and then caused internal negative pressure to strengthen, naturally the animal eye cornea (17) covering on Corneal Contact grid (13) is tightly adsorbed, along with activity suction bracket (14) is drawn out slippage chamber (16) in front eyeball fixed bin (10) through hole, now because the sealing ring (15) that can be shifted recovers nature shape, the internal volume of negative pressure lock chamber (12) becomes original state inside again has not had negative pressure, can easily the animal eye cornea (17) naturally covering on Corneal Contact grid (13) be taken off gently.

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