CN115813657B - Retina ejector with sclera protection function - Google Patents
Retina ejector with sclera protection function Download PDFInfo
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- CN115813657B CN115813657B CN202211718939.2A CN202211718939A CN115813657B CN 115813657 B CN115813657 B CN 115813657B CN 202211718939 A CN202211718939 A CN 202211718939A CN 115813657 B CN115813657 B CN 115813657B
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- jacking
- block
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- 210000003786 sclera Anatomy 0.000 title claims abstract description 43
- 210000001525 retina Anatomy 0.000 title claims abstract description 13
- 210000005252 bulbus oculi Anatomy 0.000 claims abstract description 22
- 230000002207 retinal effect Effects 0.000 claims abstract 6
- 230000008093 supporting effect Effects 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 2
- 208000013441 ocular lesion Diseases 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 5
- 208000032843 Hemorrhage Diseases 0.000 abstract description 4
- 230000003902 lesion Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000036285 pathological change Effects 0.000 description 5
- 231100000915 pathological change Toxicity 0.000 description 5
- 230000001737 promoting effect Effects 0.000 description 4
- 210000001508 eye Anatomy 0.000 description 3
- 208000037816 tissue injury Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 210000004087 cornea Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000030533 eye disease Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
- 231100000827 tissue damage Toxicity 0.000 description 1
- 210000004127 vitreous body Anatomy 0.000 description 1
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Abstract
The invention discloses a retinal tamponade device with a sclera protection function, and relates to the technical field of retinal tamponades. The device comprises a jacking main shaft, wherein the jacking main shaft is in sliding connection with a sliding shaft, the lower end of the sliding shaft is fixedly connected with a jacking ball, the sliding shaft is slidably provided with a sliding sleeve, the jacking main shaft is provided with a fixed block, the circumference of the fixed block is provided with a hinge shaft, the circumference of the sliding sleeve is hinged with a hinge sleeve rod, the hinge shaft is hinged with a sliding inner rod, the hinge sleeve rod is in sliding connection with the sliding inner rod, the hinge shaft is fixedly connected with a fixed clamping ring, the hinge shaft is in sliding connection with an inner shaft, and the lower end of the inner shaft is provided with a uniform pressure block. The sliding shaft drives the jacking ball to jack the eyeball, and meanwhile, the hinge shaft drives the uniform pressure block to outwards slide and downwards jack the eyeball, the uniform pressure block disperses the jacking force and supports the periphery of the jacking position of the sclera, and complications such as damage or hemorrhage of retina caused by excessive concentration of the jacking force and damage to the sclera caused by sliding of the jacking ball and the sclera are avoided.
Description
Technical Field
The invention relates to a retina pressing device with a sclera protection function, in particular to the field of retina pressing.
Background
The eyeball wall mainly comprises an outer layer film, a middle layer film and an inner layer film, wherein the outer layer film comprises 1/6 cornea and 5/6 sclera, when an eye disease occurs, the inner structure of the eyeball is complex, when the vitreous body is resected, the operation view is required to be expanded through the outer jacking of the eyeball, and the pathological change position in the eyeball is required to be found, and the main position when the eyeball is jacked is the sclera because the outer layer film 5/6 of the eyeball is the sclera.
Because children's sclera is thinner than adult, need the user to protect the sclera when carrying out children's eye roof pressure, and current sclera roof pressure ware does not have the safeguard function to the sclera when roof pressure and to the supporting effect of roof pressure ball, can't disperse and support roof pressure, easily because roof pressure is too big lead to tissue injury such as retina or complication such as hemorrhage, prevent that roof pressure is too concentrated and roof pressure ball takes place relative slip with the eyeball when roof pressure and cause the injury to the sclera.
Disclosure of Invention
In order to overcome the defects that the propping force is too concentrated and the propping ball and the eyeball relatively slide to cause damage to the sclera during the propping, thereby causing tissue damage or bleeding and other complications of retina and the like, the retina propping device with the sclera protection function is provided for solving the problems.
The technical proposal is as follows: the utility model provides a retina roof presser with sclera protect function, including the roof pressing main shaft, roof pressing main shaft upper portion sets up to handheld portion, roof pressing main shaft handheld portion threaded connection has the length adjustment subassembly that is used for adjusting handheld portion to grip the length, roof pressing main shaft sliding connection has the sliding shaft, fixedly connected with is used for the interior pathological change degree of depth location's of eyeball depth record subassembly on the sliding shaft, sliding shaft lower extreme fixedly connected with roof pressing ball, the sliding shaft slides with the roughness and is provided with the slip cap, be provided with first reset spring between roof pressing main shaft and the sliding shaft, roof pressing main shaft is provided with the fixed block, the fixed block circumference articulates there is the articulated shaft, fixedly connected with extension spring between roof pressing main shaft and the articulated shaft, the articulated sleeve circumference articulates there is the sliding inner rod, articulated sleeve rod and sliding inner rod sliding connection, fixedly connected with fixed snap ring on the articulated shaft, the internal shaft sliding connection has the internal axle, the spacing rotation of lower extreme is connected with the even pressure briquetting, be provided with the angle adjustment subassembly that is used for restricting the biggest angle of roof pressing component, be provided with the spacing subassembly that is used for spacing the articulated shaft on the roof pressing main shaft with the roughness, it changes to drive the internal shaft through the slip cap to drive the thrust ball and the slip cap, the thrust cap is used for promoting the internal shaft to the change of the equal angle through the articulated shaft to the articulated shaft.
Further stated, the pressing spindle hand-held portion is provided with a grip pad for increasing friction.
Further described, the uniform force pressing block is of an arc-shaped cylinder structure and is used for supporting and dispersing the jacking ball jacking pressure.
Further described, the jacking balls are located at the center of the circumferentially distributed homogenizing press blocks.
Further stated, the depth recording assembly comprises a sliding ring, the sliding ring is fixedly connected to the upper end of the sliding shaft, the sliding ring is in sliding connection with the jacking main shaft, the jacking main shaft is fixedly connected with a first limiting block, the sliding ring is fixedly connected with a protruding block, the first limiting block is in limiting fit with a wedge block, and a second reset spring is fixedly connected between the protruding block and the wedge block.
Further stated, a limit clamping block for resetting is arranged on the wedge-shaped block.
Further stated, the angle adjusting assembly comprises a fixed ring, the fixed ring is fixedly connected to the jacking main shaft, the jacking main shaft is rotationally connected with a rotating ring, a Z-shaped rod is slidably connected between the fixed ring and the rotating ring, and a stop block is arranged at the lower end of the Z-shaped rod.
Further stated, the limiting assembly comprises a limiting swivel which is rotationally connected to the pressing spindle, a second limiting block is fixedly connected to the limiting swivel in the circumferential direction, a third limiting block is fixedly connected to the upper end of the Z-shaped rod, the second limiting block is in limiting fit with the third limiting block, and a third reset spring is fixedly connected between the second limiting block and the fixing ring.
Further stated, the lifting assembly comprises a fixing frame, the fixing frame is fixedly connected with the inner shaft, the fixing frame is connected with a pull shaft in a sliding mode, the pull shaft is fixedly connected with a sliding clamping rod, the pull shaft is fixedly connected with a lifting handle, and a fourth reset spring is fixedly connected between the fixing frame and the lifting handle.
Further stated, the length adjusting assembly comprises a rotating shaft, the rotating shaft is in threaded connection with the pressing main shaft, the rotating shaft is fixedly connected with a rotating ball, and a convex ball for increasing rotating friction force is circumferentially arranged on the rotating ball.
The invention has the beneficial effects that: 1. the user promotes the sliding shaft and drives the jacking ball and push down to eyeball, the sliding shaft passes through the slip cap and drives articulated loop bar and slide interior pole and take place the relative slip outwards to prop up, the interior pole of slip passes through the articulated shaft and drives the even pressure piece and slide to the outside and continue to push down simultaneously, avoid when carrying out sclera roof pressure the jacking ball and sclera take place the relative slip, reduce the efficiency of user's location pathological change position, strengthen the user and push up the propulsive effect of degree of depth while even pressure piece to main roof pressure, and then ensure the dispersion of constant pressure, prevent that roof pressure from concentrating excessively and causing the sclera to take place to break, and then lead to complication such as retina and other tissue injury or hemorrhage.
2. When a user pushes the jacking ball to jack, the sliding ring drives the first limiting block to be in limiting fit with the clamping block, the jacking is stopped after the user observes the lesion position, meanwhile, the first limiting block limits the clamping block, the jacking depth is reserved to carry out depth positioning on the lesion position, the lesion position is convenient for a subsequent user to find, the operation efficiency is improved, and the operation risk is reduced.
3. The user rotates the swivel becket and drives Z shape pole and slide outside along solid fixed ring according to patient's eyeball size proportion, and the second stopper is extruded to the third stopper simultaneously, and the third reset spring of second stopper compression is spacing to the Z shape pole, and the dog of Z shape pole lower extreme is spacing to the articulated shaft this moment, prevents that articulated shaft roof pressure from promoting Z shape pole and taking place to slide, adjusts the angle of deflection to the articulated shaft through the swivel becket to the Z shape pole and carries out spacingly.
4. The user drives the outward motion of slip clamping lever through promoting the handle, then the user makes interior axle and the interior top contact of articulated shaft through promoting the handle, and not hard up promotion handle resets and drives the slip clamping lever and carry out spacingly to interior axle, ensures when carrying out the roof pressure to the sclera, ensures that the homogeneity pressure piece can not disturb the roof pressure process.
5. The user drives the rotating shaft to uniformly rotate through rotating the rotating ball, the rotating shaft changes the relative length between the rotating shaft and the jacking main shaft through rotating adjustment, and the user adjusts the length to a handheld comfortable state, so that the user can operate conveniently.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic diagram of a three-dimensional structure of a pressing spindle and a sliding shaft according to the present invention.
Fig. 3 is a schematic perspective view of a pressing ball and a hinge shaft according to the present invention.
Fig. 4 is a schematic perspective view of a sliding inner rod and a homogenizing block according to the present invention.
Fig. 5 is a schematic perspective view of a depth recording assembly according to the present invention.
Fig. 6 is a schematic perspective view of an angle adjusting assembly and a limiting assembly according to the present invention.
Fig. 7 is a schematic perspective view of a portion of a limiting assembly according to the present invention.
Fig. 8 is a schematic perspective view of a lifting assembly according to the present invention.
Fig. 9 is a schematic perspective view of a length adjusting assembly according to the present invention.
Reference numerals illustrate: 101-pressing main shaft, 102-sliding shaft, 103-pressing ball, 104-sliding sleeve, 105-first return spring, 106-fixed block, 107-hinged shaft, 108-tension spring, 109-hinged sleeve rod, 110-sliding inner rod, 111-fixed snap ring, 112-inner shaft, 113-uniform pressure block, 2-depth recording component, 201-sliding ring, 202-first stopper, 203-bump, 204-wedge block, 205-second return spring, 206-limit block, 3-angle adjusting component, 301-fixed ring, 302-rotating ring, 303-Z-shaped rod, 304-stopper, 4-limit component, 401-limit swivel, 402-second stopper, 403-third stopper, 404-third return spring, 5-lifting component, 501-fixed frame, 502-pull shaft, 503-fourth return spring, 504-sliding clamping rod, 505-lifting handle, 6-length adjusting component, 601-rotating shaft, 602-rotating ball, 603-convex ball.
Detailed Description
The invention is further described below with reference to the drawings and the detailed description.
Example 1
1-4, including a pressing main shaft 101, the upper part of the pressing main shaft 101 is set as a hand-holding part, the hand-holding part of the pressing main shaft 101 is fixedly connected with a hand-holding pad for increasing friction force, the hand-holding part of the pressing main shaft 101 is connected with a length adjusting component 6 in a threaded manner, a user can conveniently press the sclera by adjusting the relative length of the pressing main shaft 101 and the length adjusting component 6 to a hand-holding comfortable position, the pressing main shaft 101 is connected with a sliding shaft 102 in a sliding manner, a depth recording component 2 for positioning the depth of pathological changes in the eyeball is fixedly connected on the sliding shaft 102, the depth recording component 2 records the pressing depth, the lower end of the sliding shaft 102 is fixedly connected with a pressing ball 103, the sliding shaft 102 is connected with a sliding sleeve 104 in a sliding manner by a rough surface, a first reset spring 105 is fixedly connected between the pressing main shaft 101 and the sliding shaft 102, the jacking main shaft 101 is fixedly connected with a fixed block 106, the fixed block 106 is hinged with three hinge shafts 107 in the circumferential direction, a tension spring 108 is fixedly connected between the jacking main shaft 101 and the hinge shafts 107, a hinge sleeve rod 109 is hinged with the sliding sleeve 104 in the circumferential direction, a sliding inner rod 110 is hinged with the hinge sleeve rod 109 and the sliding inner rod 110, a fixed clamping ring 111 is fixedly connected with the hinge shaft 107, an inner shaft 112 is connected with the hinge shaft 107 in a sliding manner, a uniform pressure block 113 is connected with the lower end of the inner shaft 112 in a limiting rotation manner, the uniform pressure block 113 is of an arc cylinder structure and is used for supporting jacking balls 103 and dispersing the jacking force of the jacking balls 103, the jacking balls 103 are positioned at the central positions of the three uniform pressure blocks 113 in the circumferential direction, an angle adjusting assembly 3 used for limiting the maximum angle of the jacking force component is fixedly connected with the jacking main shaft 101, a limiting assembly 4 used for limiting the hinge shaft 107 is fixedly connected with the jacking main shaft 101, the pushing ball 103 is driven to push the eyeball through the sliding shaft 102, meanwhile, the sliding shaft 102 slides mutually through the hinged sleeve rod 109 and the sliding inner rod 110 to drive the angle of the hinged shaft 107 to change, the hinged shaft 107 drives the uniform pressure block 113 to push and disperse the eyeball through the inner shaft 112, and the upper end of the inner shaft 112 is fixedly connected with the lifting assembly 5 for lifting the uniform pressure block 113.
As shown in fig. 5, the depth recording assembly 2 includes a sliding ring 201, the sliding ring 201 is fixedly connected to the upper end of the sliding shaft 102, the sliding ring 201 is slidably connected with the pressing spindle 101, the pressing spindle 101 is fixedly connected with a first limiting block 202, the sliding ring 201 is fixedly connected with a protruding block 203, the first limiting block 202 is in limit fit with a wedge block 204, a limit clamping block 206 for resetting is fixedly connected to the wedge block 204, a second reset spring 205 is fixedly connected between the protruding block 203 and the wedge block 204, the sliding ring 201 drives the wedge block 204 to slide along the first limiting block 202 in limit fit, and when the pressing is to a lesion position, the wedge block 204 and the first limiting block 202 limit the pressing depth for recording, so that the positioning of a doctor on the lesion position is quickened, and the risk of operation is reduced.
The user holds the pressing main shaft 101 to press the sclera, at this time, the uniform pressure block 113 is firstly contacted with the eyeball sclera, then the user starts to apply pressing force to the sclera through the pressing main shaft 101, the user applies pressing force to drive the uniform pressure block 113 to open outwards and press the sclera downwards, meanwhile, the uniform pressure block 113 supports the pressing ball 103 to avoid relative sliding between the pressing ball 103 and the sclera when the sclera is pressed, the efficiency of positioning the lesion position of the user is reduced, the uniform pressure block 113 drives the hinge shaft 107 to deflect from the center to the outside, the hinge shaft 107 drives the sliding inner rod 110 to slide outwards along the hinge sleeve 109, at this time, the uniform pressure block 113 performs pre-pressing to the sclera, when the sliding inner rod 110 and the hinge sleeve 109 slide to a limit state, the user starts to perform main pressing, the thumb of the user slowly pushes the lug 203, the lug 203 drives the sliding ring 201 to slide along the jacking main shaft 101, meanwhile, the sliding ring 201 drives the jacking ball 103 to move downwards through the sliding shaft 102, meanwhile, the sliding shaft 102 drives the sliding sleeve 104 to push downwards through friction force, the sliding sleeve 104 pushes down to drive the hinged sleeve rod 109 to slide along the sliding inner rod 110, the jacking ball 103 starts to push when contacting with the sclera, when the hinged sleeve rod 109 and the sliding inner rod 110 slide to the limit state, a user continues to push the sliding shaft 102 to push, at the moment, the sliding shaft 102 drives the hinged sleeve rod 109 and the sliding inner rod 110 to prop outwards through the sliding sleeve 104, meanwhile, the sliding inner rod 110 drives the uniform force pressing block 113 to slide outwards through the hinged shaft 107 and continue to push the sclera, so that the dispersing effect of the jacking force of the jacking ball 103 is enhanced, the uniform force pressing block 113 simultaneously slides outwards to prevent the damage to the sclera caused by the excessive centralized jacking force, when the hinge shaft 107 contacts with the stop block 304, the stop block 304 limits the hinge shaft 107, the hinge sleeve rod 109, the sliding inner rod 110 and the sliding sleeve 104 are fixed after the hinge shaft 107 is limited by the stop block 304, at this time, the user pushes the jacking force of the sliding shaft 102 to overcome the friction force of the rough surface and slide with the sliding sleeve 104, the sliding shaft 102 drives the jacking ball 103 to continuously jack the sclera until the jacking is finished, when the user pushes the jacking ball 103 to jack, the sliding ring 201 drives the first limiting block 202 to be in limiting fit with the wedge block 204, the jacking is stopped after the user observes the lesion position, the first limiting block 202 limits the wedge block 204, and the jacking depth is reserved to quickly position the lesion position, so that the subsequent user can conveniently find the lesion position, the operation efficiency is improved, the operation risk is reduced, and the limiting block 206 is lost to be in limiting fit with the first limiting block 202 by pulling the limiting block 206 after the primary jacking process is completed, so that the sliding ring 201 is conveniently reset quickly.
Example 2
On the basis of embodiment 1, as shown in fig. 6 and 7, the angle adjusting assembly 3 includes a fixed ring 301, the fixed ring 301 is fixedly connected to the pressing spindle 101, the pressing spindle 101 is rotatably connected with a rotating ring 302, a Z-shaped rod 303 is slidably connected between the fixed ring 301 and the rotating ring 302, a stop block 304 is fixedly connected to the lower end of the Z-shaped rod 303, the limiting assembly 4 includes a limiting rotating ring 401, the limiting rotating ring 401 is rotatably connected to the pressing spindle 101, a second limiting block 402 is fixedly connected to the limiting rotating ring 401 in a circumferential direction, a third limiting block 403 is fixedly connected to the upper end of the Z-shaped rod 303, the second limiting block 402 is in limiting fit with the third limiting block 403, a third return spring 404 is fixedly connected between the second limiting block 402 and the fixed ring 301, the rotating ring 302 rotates to drive the Z-shaped rod 303 to a required position, and simultaneously the Z-shaped rod 303 drives the third limiting block 403 to be in sliding limiting fit with the second limiting block 402, and the limiting angle of deflection of the hinge 107 is limited by adjusting the Z-shaped rod 303 through the rotating ring 302.
As shown in fig. 9, the length adjusting assembly 6 includes a rotating shaft 601, the rotating shaft 601 is screwed to the pressing spindle 101, the rotating shaft 601 is fixedly connected with a rotating ball 602, a convex ball 603 for increasing rotating friction force is fixedly connected to the circumference of the rotating ball 602, and a user adjusts the distance between the pressing spindle 101 and the rotating ball 602 to a comfortable length by rotating the rotating ball 602, so as to ensure comfortable and smooth operation of the user during sclera pressing.
When a user pushes against the sclera of the eye to find the position of the pathological change in the eyeball, the user drives the rotating shaft 601 to rotate together through rotating the rotating ball 602, the rotating shaft 601 changes the relative length between the rotating shaft and the pushing main shaft 101 through rotating adjustment, the user adjusts the length to a handheld comfortable state, the user is convenient to operate, then according to the size proportion of the eyeball of the patient, the rotating ring 302 drives the Z-shaped rod 303 to slide outwards along the fixed ring 301 to a required position, meanwhile, the Z-shaped rod 303 drives a third limiting block 403 at the upper end to squeeze the second limiting block 402 in the sliding process, the second limiting block 402 compresses the third restoring spring 404 to limit the Z-shaped rod 303, at the moment, the stop block 304 at the lower end of the Z-shaped rod 303 limits the hinge shaft 107, the pushing force of the hinge shaft 107 pushes the Z-shaped rod 303 to slide, and the Z-shaped rod 303 is adjusted to limit the deflection angle of the hinge shaft 107 through the rotating ring 302.
As shown in fig. 8, the lifting assembly 5 includes a fixing frame 501, the fixing frame 501 is fixedly connected to the inner shaft 112, the fixing frame 501 is slidably connected with a pull shaft 502, the inner shaft pull shaft 502 is fixedly connected with a sliding clamping rod 504, the pull shaft 502 is fixedly connected with a lifting handle 505, a fourth return spring 503 is fixedly connected between the fixing frame 501 and the lifting handle 505, a user lifts and limits the inner shaft 112 through the lifting handle 505, and according to the working condition in the use process, one or two homogenizing pressure blocks 113 are lifted to avoid contact with eyes, so that the homogenizing pressure blocks 113 cannot interfere with the jacking process.
When a user needs to push the sclera at the edge of the eyeball, part of the even force pressing block 113 is lifted according to the pushing position, the user pulls the lifting handle 505, the lifting handle 505 drives the sliding clamping rod 504 to move outwards, meanwhile, the sliding clamping rod 504 releases the limit on the inner shaft 112 and the hinge shaft 107, then the user pushes the inner shaft 112 along the hinge shaft 107 through the lifting handle 505, when pushing the inner shaft 112 to be in contact with the inner top end of the hinge shaft 107, the lifting handle 505 is loosened, the fourth return spring 503 resets, and the sliding clamping rod 504 is driven to slide to the upper side of the fixed clamping ring 111 through pulling the pull shaft 502, at this time, the sliding clamping rod 504 limits the inner shaft 112, and when pushing the sclera, the even force pressing block 113 is ensured not to interfere with the pushing process.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (7)
1. The retina ejector with the sclera protection function is characterized by comprising an ejector spindle (101), wherein the upper part of the ejector spindle (101) is provided with a handheld part, the handheld part of the ejector spindle (101) is in threaded connection with a length adjusting component (6) for adjusting the holding length of the handheld part, the ejector spindle (101) is in sliding connection with a sliding shaft (102), the sliding shaft (102) is fixedly connected with a depth recording component (2) for positioning the depth of an intra-ocular lesion, the lower end of the sliding shaft (102) is fixedly connected with an ejector ball (103), the sliding shaft (102) is provided with a sliding sleeve (104) in a rough surface in a sliding manner, a first reset spring (105) is arranged between the ejector spindle (101) and the sliding shaft (102), the ejector spindle (101) is provided with a fixed block (106), the fixed block (106) is circumferentially hinged with a hinge shaft (107), the ejector spindle (101) and the hinge shaft (107) are fixedly connected with a tension spring (108), the sliding sleeve (104) is circumferentially hinged with a hinge sleeve (109), the hinge shaft (107) is hinged with a sliding inner rod (110), the hinge sleeve (109) is fixedly connected with the sliding sleeve (109) in a sliding manner, the sliding sleeve (109) is fixedly connected with the upper shaft (112) and the lower shaft (112) in a sliding manner, the sliding sleeve (112) is fixedly connected with the inner shaft (112), an angle adjusting component (3) for limiting the maximum angle of the jacking component force is arranged on the jacking main shaft (101), a limiting component (4) for limiting the hinge shaft (107) is arranged on the jacking main shaft (101), the jacking ball (103) is driven to jack the eyeball through the sliding shaft (102), meanwhile, the sliding shaft (102) drives the hinge shaft (107) to change in angle through the mutual sliding of the hinge sleeve rod (109) and the sliding inner rod (110), the hinge shaft (107) drives the uniform pressure block (113) to perform jacking pressure dispersion on the eyeball through the inner shaft (112), and a lifting component (5) for lifting the uniform pressure block (113) is arranged at the upper end of the inner shaft (112);
the jacking ball (103) is positioned at the center of a circumferentially distributed uniform pressure block (113);
the depth recording assembly (2) comprises a sliding ring (201), the sliding ring (201) is fixedly connected to the upper end of the sliding shaft (102), the sliding ring (201) is in sliding connection with the jacking main shaft (101), the jacking main shaft (101) is fixedly connected with a first limiting block (202), the sliding ring (201) is fixedly connected with a protruding block (203), the first limiting block (202) is in limiting fit with a wedge block (204), and a second reset spring (205) is fixedly connected between the protruding block (203) and the wedge block (204);
the wedge block (204) is provided with a limit clamping block (206) for resetting.
2. A retinal tamp with scleral protection according to claim 1, characterized in that the tamp spindle (101) hand-held part is provided with a grip pad for increasing friction.
3. The retina pressing device with scleral protection function according to claim 1, wherein the uniform pressure block (113) has an arc cylinder structure for supporting the pressing of the pressing ball (103) and dispersing the pressing force of the pressing ball (103).
4. The retinal jacking device with sclera protection function according to claim 1, wherein the angle adjusting component (3) comprises a fixed ring (301), the fixed ring (301) is fixedly connected to the jacking main shaft (101), the jacking main shaft (101) is rotatably connected with a rotating ring (302), a Z-shaped rod (303) is slidably connected between the fixed ring (301) and the rotating ring (302), and a stop block (304) is arranged at the lower end of the Z-shaped rod (303).
5. The retinal jacking device with the sclera protection function according to claim 4, wherein the limiting component (4) comprises a limiting swivel (401), the limiting swivel (401) is rotatably connected to the jacking main shaft (101), a second limiting block (402) is fixedly connected to the limiting swivel (401) in the circumferential direction, a third limiting block (403) is fixedly connected to the upper end of the Z-shaped rod (303), the second limiting block (402) is in limiting fit with the third limiting block (403), and a third reset spring (404) is fixedly connected between the second limiting block (402) and the fixing ring (301).
6. The retinal tamponade device with sclera protection according to claim 1, characterized in that the lifting assembly (5) comprises a fixing frame (501), the fixing frame (501) is fixedly connected with the inner shaft (112), the fixing frame (501) is slidably connected with a pull shaft (502), the pull shaft (502) is fixedly connected with a sliding clamping rod (504), the pull shaft (502) is fixedly connected with a lifting handle (505), and a fourth return spring (503) is fixedly connected between the fixing frame (501) and the lifting handle (505).
7. The retina ejector with sclera protection function according to claim 1, characterized in that the length adjusting assembly (6) comprises a rotating shaft (601), the rotating shaft (601) is connected with the ejection main shaft (101) in a threaded manner, the rotating shaft (601) is fixedly connected with a rotating ball (602), and a convex ball (603) for increasing rotating friction force is circumferentially arranged on the rotating ball (602).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211718939.2A CN115813657B (en) | 2022-12-30 | 2022-12-30 | Retina ejector with sclera protection function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211718939.2A CN115813657B (en) | 2022-12-30 | 2022-12-30 | Retina ejector with sclera protection function |
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| CN115813657A CN115813657A (en) | 2023-03-21 |
| CN115813657B true CN115813657B (en) | 2023-10-31 |
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| CN210096066U (en) * | 2019-04-19 | 2020-02-21 | 温州医科大学附属眼视光医院 | Fingerstall type sclera jacking device |
| CN212631032U (en) * | 2020-03-10 | 2021-03-02 | 江苏康视佳医疗器械有限公司 | Sclera compressor |
| CN217593205U (en) * | 2022-06-07 | 2022-10-18 | 陈金国 | Medical sclera jacking device |
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2022
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| RU2033094C1 (en) * | 1991-12-16 | 1995-04-20 | Юрий Александрович Шурыгин | Follow-up keratotomic knife |
| WO1996031159A1 (en) * | 1995-04-04 | 1996-10-10 | Graether John M | Apparatus for inserting a pupil expander and method of using the same |
| CN201150595Y (en) * | 2007-12-29 | 2008-11-19 | 肖满意 | Artificial lacrimal duct with aliform fixed ring |
| CN203506967U (en) * | 2013-10-09 | 2014-04-02 | 姚琳 | Sclera compressor allowing marking |
| CN210096066U (en) * | 2019-04-19 | 2020-02-21 | 温州医科大学附属眼视光医院 | Fingerstall type sclera jacking device |
| CN212631032U (en) * | 2020-03-10 | 2021-03-02 | 江苏康视佳医疗器械有限公司 | Sclera compressor |
| CN217593205U (en) * | 2022-06-07 | 2022-10-18 | 陈金国 | Medical sclera jacking device |
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| CN115813657A (en) | 2023-03-21 |
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