CN110236729B - Rabbit eyeball fixing device with adjustable size based on eyeball dislocation method - Google Patents
Rabbit eyeball fixing device with adjustable size based on eyeball dislocation method Download PDFInfo
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- CN110236729B CN110236729B CN201910612691.3A CN201910612691A CN110236729B CN 110236729 B CN110236729 B CN 110236729B CN 201910612691 A CN201910612691 A CN 201910612691A CN 110236729 B CN110236729 B CN 110236729B
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- A—HUMAN NECESSITIES
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- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D3/00—Appliances for supporting or fettering animals for operative purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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Abstract
The invention discloses a rabbit eyeball fixing device with adjustable size based on an eyeball dislocation method, which comprises a fixing ring, an air bag, sterile rubber and an inflating device communicated with the air bag, wherein the fixing ring is provided with an assembling hole; be provided with pressure sensor between aseptic rubber and the gasbag, still be provided with an alarm assembly with pressure sensor communication connection in the fixed ring, pressure sensor detects the pressure value between aseptic rubber and the gasbag to give the alarm assembly back, when the pressure value that alarm assembly received is higher than the threshold value, then send the police dispatch newspaper, aerating device includes breather pipe and air-blowing, the one end and the gasbag intercommunication of breather pipe, the other end is connected with the air-blowing, the air-blowing provides the air supply for the gasbag. The method can improve the accuracy of the experimental result, reduce the experimental time, protect the eyeball of the animal and avoid the loss of the sample.
Description
Technical Field
The invention relates to the technical field of medical assistance, in particular to a device for fixing a rabbit eyeball with adjustable size based on an eyeball dislocation method.
Background
In basic research and teaching experiments in the field of ophthalmology, rabbits are the most commonly used experimental animals because of the strong similarity between the size and structure of the rabbit eyeball and human eyes, and rabbit eyes are often used as animal models for ophthalmologic research.
When rabbit eyes are used as animal models, a series of biological data are required to be used as research indexes, and except for the fields of molecular biology and the like, clinical common judging instruments such as CORVIS, ORA, PENTACAM, OCE and the like and SMILE, FS-LASIK and the like which are suitable for animal modeling operations need to enable the central point of the rabbit cornea to face a specified position and avoid the shielding of eyelids and eyelashes.
The common eyelid retractor used at present can only expand the upper eyelid and the lower eyelid of a rabbit to the outside, so that the interference of long eyelashes on part of ophthalmological instruments and the shielding of the third eyelid of the rabbit on part of eye cornea are difficult to avoid, the eye position of the eyeball of the rabbit is difficult to fix, when the rabbit is in an anesthetic state, the phenomenon of partial neutral gaze is very easy to occur, the animal modeling caused by the partial neutral gaze is not accurate, the measurement result is not accurate, and the like.
A reasonable rabbit eyeball fixing device not only can avoid the rabbit eyeball to shelter from, and the accuracy and the stability of animal model manufacturing are strengthened, and the time can also be reduced in animal experiment operation, the experimental animal anesthesia accident incidence rate is reduced, and the experimental animal eyeball is protected.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the device for fixing the eyeball of the rabbit with the adjustable size based on the eyeball dislocation method, which can improve the accuracy of an experimental result, reduce the experimental time, protect the eyeball of an animal and avoid the loss of a sample.
In order to achieve the purpose, the invention provides the following technical scheme: a rabbit eyeball fixing device with an adjustable size based on an eyeball dislocation method comprises a fixing ring, an air bag, sterile rubber and an inflating device communicated with the air bag, wherein an assembly hole is formed in the fixing ring, the air bag is annularly attached to the inner wall of the assembly hole, and the sterile rubber is annularly attached to the inner ring surface of the air bag; be provided with pressure sensor between aseptic rubber and the gasbag, still be provided with an alarm assembly with pressure sensor communication connection in the fixed ring, pressure sensor detects the pressure value between aseptic rubber and the gasbag to give the alarm assembly back, when alarm assembly received pressure value is higher than the threshold value, then send out the police dispatch newspaper, aerating device includes breather pipe and air-blowing, the one end and the gasbag intercommunication of breather pipe, the other end is connected with the air-blowing, the air-blowing provides the air supply for the gasbag.
As a further improvement of the invention, the fixing device also comprises a fixing piece and two fixing strips which can be mutually connected, wherein the fixing piece is attached to the bottom of the fixing ring, one end of each of the two fixing strips is attached between the fixing piece and the fixing ring, the other end of each of the two fixing strips can be mutually connected to adjust the tightness of the fixing strip, and the fixing piece is made of rubber materials.
As a further improvement of the invention, the fixing pieces are crescent, the number of the fixing pieces is two, the fixing pieces are symmetrically distributed on two sides of the bottom of the fixing ring, a metal gasket with the shape corresponding to the fixing piece is further arranged between the fixing piece and the fixing ring, and one end of the fixing strip, which is opposite to the fixing ring, is fixed between the fixing ring and the metal gasket.
As a further improvement of the invention, the inner annular surface of the sterile rubber is provided with thread-shaped anti-skid lines.
As a further improvement of the invention, the other ends of the two fixing strips, which are opposite to the fixing ring, are respectively provided with a hair surface and a hook surface of the magic tape, and the tightness of the two fixing strips is adjusted by matching the hair surface and the hook surface.
As a further improvement of the invention, the aperture of the assembly hole is not less than 40mm, and the air bag is made of elastic material.
As a further improvement of the invention, a three-way pipe is arranged between the vent pipe and the air blower, the vent pipe and the air blower are respectively connected with two connecting parts of the three-way pipe in a sealing way, the other connecting part is connected with a sealing knob in a sealing way, and the sealing property of the sealing knob is adjusted by rotating the sealing knob.
As a further improvement of the invention, the fixing ring is provided with a through hole for the air pipe to pass through, and a resistance adjusting component is arranged in the through hole and used for adjusting the ventilation area of the air pipe.
As a further improvement of the invention, the resistance adjusting assembly comprises an annular driving ring and an adjusting block fixed on the driving ring, a slide way is arranged on the hole wall of the through hole, an extrusion block is arranged in the slide way, the adjusting block is linked with the extrusion block, and one end of the driving ring extends out of the fixing ring to be driven by a hand; when the driving ring rotates, the adjusting block presses the extrusion block downwards, the extrusion block extrudes the vent pipe, and the vent pipe deforms.
As a further improvement of the invention, one end of the extrusion block opposite to the adjusting block is hemispherical, one side of the adjusting block opposite to the extrusion block is in an arc shape, and the arc protrudes from the driving ring to the extrusion block.
The rabbit eyeball protective device has the advantages that when a user dislocates the rabbit eyeball and then performs an experiment, the dislocated rabbit eyeball can be firstly pulled, the sterile rubber is aligned with the rabbit eyeball and sleeved at the equator of the rabbit eyeball, the air bag is inflated through air blowing, the expansion of the air bag drives the sterile rubber to contract, so that the sterile rubber clamps the rabbit eyeball, in the process, the pressure sensor can detect the pressure between the sterile rubber and the air bag and feed the pressure to the alarm assembly, when the pressure value fed back by the alarm assembly in comparison exceeds a threshold value, the alarm assembly can give an alarm to remind the user to stop continuing air supply, and the arrangement can improve the protective effect on the eyeball and avoid the injury caused by excessive eyeball extrusion due to excessive air supply in the operation so as to influence the experimental result. Wherein the vent pipe is a soft rubber vent pipe, has certain deformability and is convenient to use.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front view of a retaining ring according to the present invention;
FIG. 3 is a rear view of the retaining ring of the present invention;
FIG. 4 is a schematic cross-sectional view of the resistance adjustment assembly of the present invention;
FIG. 5 is another perspective cross-sectional view of the resistance adjustment assembly of the present invention.
Reference numerals: 1. a fixing ring; 2. an air bag; 3. sterile rubber; 4. a pressure sensor; 5. a securing strap; 6. magic tape; 7. a breather pipe; 8. air blowing; 9. sealing the knob; 10. an alarm component; 11. a fixing sheet; 12. a metal gasket; 13. a resistance adjustment assembly; 14. a drive ring; 15. an adjusting block; 16. a slideway; 17. a through hole; 18. and extruding the block.
Detailed Description
The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.
Referring to fig. 1-5, the device for fixing a rabbit eyeball based on the eyeball dislocation method comprises a fixing ring 1, an air bag 2, sterile rubber 3 and an inflating device communicated with the air bag 2, wherein the fixing ring 1 is provided with an assembly hole, the air bag 2 is annularly attached to the inner wall of the assembly hole, and the sterile rubber 3 is annularly attached to the inner annular surface of the air bag 2; be provided with pressure sensor 4 between aseptic rubber 3 and the gasbag 2, still be provided with an alarm assembly 10 with pressure sensor 4 communication connection in the solid fixed ring 1, pressure sensor 4 detects the pressure value between aseptic rubber 3 and the gasbag 2, and feed back to alarm assembly 10, when the pressure value that alarm assembly 10 received is higher than the threshold value, then send the police dispatch newspaper, aerating device includes breather pipe 7 and air-blowing 8, the one end and the gasbag 2 intercommunication of breather pipe 7, the other end is connected with air-blowing 8, air-blowing 8 provides the air supply for gasbag 2.
The pressure sensor 4 is a pressure sensing circuit formed of a strain gauge known to those skilled in the art, and the alarm unit 10 is a conventional device formed of a circuit having an alarm function for alarming a threshold value known to those skilled in the art.
In the experimental process, a rabbit which is stably anesthetized is prepared in advance, and is in a lateral position, one cotton swab is used for pressing the bulbar conjunctiva close to the lower part of the nose, the other cotton swab is used for pressing the bulbar conjunctiva far away from the upper part of the nose so as to dislocate the eyeball, and the dislocated eyeball is fixed by the two cotton swabs. When the user carries out the experiment after dislocating with the rabbit eyeball, can choose the rabbit eyeball after the dislocation earlier, aseptic rubber 3 aims at the rabbit eyeball, and cover its equator portion at the rabbit eyeball, blow 8 through the gas and aerify gasbag 2 after this, gasbag 2's inflation drives aseptic rubber 3 shrink this moment, make aseptic rubber 3 press from both sides tight rabbit eyeball, at this in-process, pressure sensor 4 can detect aseptic rubber 3 and the pressure between 2 of gasbag, and feed back to alarm component 10, when alarm component 10 compares the pressure numerical value of feedback and surpasses the threshold value, alarm component 10 will send the police dispatch newspaper, remind the user to stop continuing the air feed, so set up, can improve the protection effect to the eyeball, avoid appearing the air feed in the operation and excessively leading to the eyeball to extrude the damage and influence the experimental result. Wherein, the vent pipe 7 is a soft rubber vent pipe 7, has certain deformability and is convenient to use.
Preferably, the inner annular surface of the sterile rubber 3 is provided with thread-shaped anti-skid threads. The screw thread-shaped anti-slip lines can limit the up-down left-right deviation or deflection of the eyeball, so that the friction effect is improved, and the liquid on the surface of the eyeball is prevented from influencing the fixing effect.
As a further optimization, the aperture of the assembly hole is not less than 40mm, and the air bag 2 is made of elastic materials. The inner diameter of the assembly hole is set to be not less than 40mm, a certain gap can be reserved between the rabbit eyeball and the sterile rubber 3, and at the moment, enough space is reserved for the expansion and deformation of the air bag 2. When inflating and inflating the air bag 2, the air bag 2 is easy to generate the phenomenon of unbalanced pressure on the sterile rubber 3, and the elastic material is used, so that when the air bag 2 generates unbalanced pressure on the sterile rubber 3, the air bag can expand to adjust in a mode of protruding the air bag to the outer side, and the phenomenon that the corresponding area of eyeballs is excessively compressed when the eyeballs are fixed due to the fact that the pressure received by the sterile rubber 3 in the partial area is too large is avoided.
As a modified specific embodiment, based on the above embodiment, the device further includes a fixing piece 11 and two fixing strips 5 capable of being connected with each other, the fixing piece 11 is attached to the bottom of the fixing ring 1, each of the two fixing strips 5 has one end attached between the fixing piece 11 and the fixing ring 1, the other end is connected with each other to adjust the tightness of the fixing strip 5, and the fixing piece 11 is made of rubber.
Through the technical scheme, the fixing piece 11 is used for increasing the friction between the fixing ring 1 and the face of the rabbit, so that the deviation of an eyeball of the rabbit in the experiment process can be avoided; and the setting of fixed band 5 can tie up solid fixed ring 1 in the head of rabbit, and cooperation stationary blade 11 can let solid fixed ring 1 inseparabler with the laminating of rabbit face, makes its degree of difficulty that takes place the skew higher, further improves fixed effect.
As optimization, the fixing pieces 11 are crescent-shaped, the number of the fixing pieces is two, the fixing pieces are symmetrically distributed on two sides of the bottom of the fixing ring 1, a metal gasket 12 corresponding to the fixing pieces 11 in shape is further arranged between the fixing pieces 11 and the fixing ring 1, and one end of the fixing strip 5, opposite to the fixing ring 1, is fixed between the fixing ring 1 and the metal gasket 12.
The stationary blade 11 of crescent can provide fine friction effect on save material's basis, can let stationary blade 11 all possess good friction in horizontal and vertical to can laminate stationary blade 11's bottom more, avoid the position of pilot hole, let the assembly effect reasonable more effective. Wherein metal gasket 12 can let the more easy to assemble of fixed strip 5, compares direct mount between stationary blade 11 and solid fixed ring 1, because stationary blade 11 is the rubber material, its fixed effect is relatively poor, through the metal gasket 12 that sets up, can cooperate solid fixed ring 1 to provide better fixed strength.
As further optimization, the other ends of the two fixing strips 5 relative to the fixing ring 1 are respectively provided with a hair surface and a hook surface of the magic tape 6, and the tightness of the two fixing strips 5 is adjusted through the matching of the hair surface and the hook surface.
Among the above-mentioned optimization scheme, adjust the elasticity of fixed strip 5 through the cooperation of magic subsides 6, and then will fix solid fixed ring 1 at the head of rabbit, it has quick effectual effect, can let the experiment progress faster, reduces the arrangement time before the experiment.
As an improved specific implementation manner, based on the scheme of the above embodiment, a three-way pipe is arranged between the vent pipe 7 and the air blower 8 of the device, the vent pipe 7 and the air blower 8 are respectively connected with two connecting parts of the three-way pipe in a sealing manner, the other connecting part is connected with a sealing knob 9 in a sealing manner, and the sealing knob 9 is adjusted in sealing by rotating the knob.
Need deflate gasbag 2 after the experiment, be convenient for with the fixed experiment that finishes of rabbit eye ball contact, can change the leakproofness of breather pipe 7 through sealed knob 9 this moment, release the gas in gasbag 2 from this, its specific scheme can adopt among the prior art sphygmomanometer and the gassing knob that 8 cooperations of air-blowing used.
Based on another embodiment of the above scheme, the fixing ring 1 is provided with a through hole 17 for the air pipe 7 to pass through, the through hole 17 is internally provided with the resistance adjusting assembly 13, and the resistance adjusting assembly 13 is used for adjusting the ventilation area of the air pipe 7.
Can let the user produce the change in the application of force condition when extrusion air-blowing 8 through resistance adjusting part 13, and then adjust and press the required dynamics of air-blowing 8, can increase the degree of difficulty that the user extrudees air-blowing 8 from this. Can let through this scheme, slow down the air feed speed to gasbag 2, can adjust air feed speed as required, and then avoid air feed speed too fast and excessive to the eyeball extrusion, cooperation warning subassembly 10 can further improve the control effect of air feed.
More specifically, the resistance adjusting assembly 13 comprises an annular driving ring 14 and an adjusting block 15 fixed on the driving ring 14, a slide way 16 is arranged on the hole wall of the through hole 17, a squeezing block 18 is arranged in the slide way 16, the adjusting block 15 is linked with the squeezing block 18, and one end of the driving ring 14 extends out of the fixing ring 1 for being driven by a person; when the driving ring 14 rotates, the adjusting block 15 presses the squeezing block 18, the squeezing block 18 squeezes the vent pipe 7, and the vent pipe 7 deforms. .
With the above technical solution, a part of the driving ring 14 penetrates the fixing ring 1, and the part can be provided with anti-slip threads to facilitate the user to rotate the driving ring 14, and the assembly manner of the driving ring 14 can be as shown in the attached drawings. Firstly, when the driving ring 14 is rotated, the driving ring 14 drives the adjusting block 15 to rotate, the adjusting block 15 can extrude the extrusion block 18 in the rotating process, at the moment, the extrusion block 18 is extruded to enter the slide way 16, and then the vent pipe 7 is extruded, and the vent area of the vent pipe 7 is reduced due to deformation caused by extrusion, so that the air supply difficulty can be increased, the air supply speed is reduced, the control of air supply is facilitated, the phenomenon that the picture eye ball is excessively extruded and damaged due to too fast air supply is avoided, and the loss of a sample is avoided.
Preferably, one end of the pressing block 18 opposite to the adjusting block 15 is hemispherical, and one side of the adjusting block 15 opposite to the pressing block 18 is arc-shaped, and the arc-shaped protrudes from the driving ring 14 to the pressing block 18. As shown in the drawings, as the rotation angle of the driving ring 14 changes, the adjusting block 15 will press the pressing block 18 with different pressing force degrees, so that the pressing block 18 can be adjusted to different degrees, and further the deformation degree of the vent pipe 7 can be changed to different degrees, so as to achieve the effect of adjusting different air supply speeds.
In summary of the above embodiments, the present invention has the following effects:
1. compared with a pure eye position fixer, the device provides no eyelid and eyelash shielding, and is suitable for precise model making and measurement of biological indexes of clinical old instruments;
2. the eyeball fixing device with balanced stress is provided, no eye tissue is clamped and pulled, the rabbit eye is slightly damaged, and the bleeding inflammation risk is low;
3. the device is additionally provided with pressure monitoring, the pressure monitoring is close to the physiological intraocular pressure of the rabbit, and the influence of the intraocular pressure caused by excessive compression on the experimental result is reduced;
4. compared with a pure rabbit eye dislocation method, the device provides a convenient eye position fixer, and reduces factors of inaccurate measuring results of partial instruments (such as OCE and PENTACAM) caused by eyeball vibration caused by rabbit eye position irregularity and blood vessel pulsation.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (7)
1. The device for fixing the small and large rabbit eyeballs based on the eyeball dislocation method is characterized by comprising a fixing ring (1), an air bag (2), sterile rubber (3) and an inflating device communicated with the air bag (2), wherein the fixing ring (1) is provided with an assembly hole, the air bag (2) is annularly attached to the inner wall of the assembly hole, and the sterile rubber (3) is annularly attached to the inner ring surface of the air bag (2); the pressure sensor (4) is arranged between the sterile rubber (3) and the air bag (2), an alarm component (10) in communication connection with the pressure sensor (4) is further arranged in the fixing ring (1), the pressure sensor (4) detects a pressure value between the sterile rubber (3) and the air bag (2) and feeds the pressure value back to the alarm component (10), when the pressure value received by the alarm component (10) is higher than a threshold value, an alarm is given out, the inflation device comprises a vent pipe (7) and an air blowing pipe (8), one end of the vent pipe (7) is communicated with the air bag (2), the other end of the vent pipe is connected with the air blowing pipe (8), the air blowing pipe (8) provides an air source for the air bag (2), a through hole (17) for the vent pipe (7) to pass through is further formed in the fixing ring (1), a resistance adjusting component (13) is arranged inside the through hole (17), the resistance adjusting assembly (13) is used for adjusting the ventilation area of the ventilation pipe (7), the resistance adjusting assembly (13) comprises an annular driving ring (14) and an adjusting block (15) fixed on the driving ring (14), a slide way (16) is arranged on the hole wall of the through hole (17), an extrusion block (18) is arranged in the slide way (16), the adjusting block (15) is linked with the extrusion block (18), and one end of the driving ring (14) extends out of the fixing ring (1) to be driven by a hand; when the driving ring (14) rotates, the adjusting block (15) presses the squeezing block (18) downwards, the squeezing block (18) squeezes the vent pipe (7), the vent pipe (7) deforms, one end, opposite to the adjusting block (15), of the squeezing block (18) is hemispherical, one side, opposite to the squeezing block (18), of the adjusting block (15) is arc-shaped, and the arc protrudes from the driving ring (14) to the squeezing block (18).
2. The device for fixing the eyeball of the rabbit based on the eyeball dislocation method according to claim 1, which is characterized by further comprising a fixing piece (11) and two fixing strips (5) which can be connected with each other, wherein the fixing piece (11) is attached to the bottom of the fixing ring (1), the two fixing strips (5) are respectively provided with one end which is attached between the fixing piece (11) and the fixing ring (1), the other end which can be connected with each other to adjust the tightness degree of the fixing strips (5), and the fixing piece (11) is made of rubber.
3. The device for fixing the eyeball of the rabbit based on the eyeball dislocation method according to claim 2, wherein the fixing pieces (11) are crescent-shaped, the number of the fixing pieces is two, the fixing pieces are symmetrically distributed on two sides of the bottom of the fixing ring (1), a metal gasket (12) corresponding to the fixing pieces (11) in shape is further arranged between the fixing pieces (11) and the fixing ring (1), and one end of the fixing strip (5) relative to the fixing ring (1) is fixed between the fixing ring (1) and the metal gasket (12).
4. The adjustable rabbit eyeball fixing device based on the eyeball dislocation method according to any one of the claims 1 to 3, which is characterized in that the inner annular surface of the sterile rubber (3) is provided with thread-shaped anti-slip lines.
5. The device for fixing the rabbit eyeball based on the eyeball dislocation method according to the claim 2 or 3, wherein the other end of the two fixing strips (5) relative to the fixing ring (1) is respectively provided with a hair surface and a hook surface of a magic tape (6), and the two fixing strips (5) are matched with each other through the hair surface and the hook surface to adjust the tightness.
6. The device for fixing the eyeball of a rabbit based on the eyeball dislocation method according to any one of the claims 1 to 3, wherein the aperture of the assembly hole is not less than 40mm, and the air bag (2) is made of an elastic material.
7. The device for fixing the eyeball of the rabbit based on the eyeball dislocation method according to claim 1, wherein a three-way pipe is arranged between the vent pipe (7) and the air blower (8), the vent pipe (7) and the air blower (8) are respectively connected with two connecting parts of the three-way pipe in a sealing way, the other connecting part is connected with a sealing knob (9) in a sealing way, and the sealing knob (9) is used for adjusting the sealing property by rotating the knob.
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| CN201910612691.3A CN110236729B (en) | 2019-07-08 | 2019-07-08 | Rabbit eyeball fixing device with adjustable size based on eyeball dislocation method |
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| CN201910612691.3A CN110236729B (en) | 2019-07-08 | 2019-07-08 | Rabbit eyeball fixing device with adjustable size based on eyeball dislocation method |
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| CN110236729B true CN110236729B (en) | 2021-07-06 |
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| CN110880261B (en) * | 2019-10-12 | 2021-06-18 | 温州医科大学附属眼视光医院 | Eyelid retractor capable of fixing eyeball dislocation |
| CN112932454A (en) * | 2021-01-28 | 2021-06-11 | 中国人民解放军陆军军医大学第二附属医院 | Nuclear magnetic resonance detection eyeball fixator |
| CN117281684B (en) * | 2023-11-24 | 2024-03-29 | 超目科技(北京)有限公司 | Eyeball adsorption device and eyeball adsorption system |
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