CN112168485A - Cataract nucleus breaking device - Google Patents
Cataract nucleus breaking device Download PDFInfo
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- CN112168485A CN112168485A CN202011126496.9A CN202011126496A CN112168485A CN 112168485 A CN112168485 A CN 112168485A CN 202011126496 A CN202011126496 A CN 202011126496A CN 112168485 A CN112168485 A CN 112168485A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
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- Ophthalmology & Optometry (AREA)
- Heart & Thoracic Surgery (AREA)
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Abstract
The invention discloses a cataract nucleus breaking device which comprises a support frame, a handle, a vortex spring and a protective frame, wherein an installation shaft is fixedly installed on the lateral side of the right end of the support frame, the handle is installed on the right side of the installation shaft, the protective frame is fixedly installed on the outer side of the handle, a sliding block is installed on the inner side of the end part of the protective frame, a fixed cylinder is installed in the middle of the support frame, a lifting rod is installed inside the fixed cylinder, an end suction nozzle is installed at the left end of the fixed cylinder, a moving column is installed inside the end suction nozzle, a limiting column is installed inside a guide positioning rod, a lateral clamping hole is formed in the lateral side of the guide positioning rod, and an inserting block is installed on the. This broken nuclear ware of cataract can conveniently adjust its self length according to the in-service use condition, can reduce simultaneously and take place not hard up possibility with the broken nuclear ware, and can effectual improvement holistic broken nuclear effect, avoids appearing repetitious broken nuclear operation.
Description
Technical Field
The invention relates to the technical field related to cataract, in particular to a cataract nucleus breaking device.
Background
Cataract is a common disease which is often seen in middle-aged and elderly people, and is the change of optical quality reduction caused by the reduction of lens transparency or color change, in order to reduce the trouble brought to people by cataract, some people can use cataract surgery for treatment, and in order to reduce the incision of surgery and reduce the damage of crystalline posterior capsule and corneal endothelial cells during cataract surgery, small incision non-ultrasonic emulsification surgery is usually needed, so that a nucleus crusher is an indispensable tool when performing manual nucleus crushing on senile cataract.
However, most cataract nucleus breakers now have several problems:
1. the existing cataract nucleus breaking device is inconvenient to adjust the length of the cataract nucleus breaking device according to actual needs when in use, and the phenomenon of slippage between the cataract nucleus breaking device and the existing cataract nucleus breaking device is easily caused by sweating of the hand of a user after long-time use, so that the practicability of the cataract nucleus breaking device is reduced;
2. the whole nucleus breaking effect of the existing cataract nucleus breaking device is poor, the problem of incomplete nucleus breaking easily occurs, repeated operation for many times is mostly needed in the nucleus breaking operation process of cataract patients, unnecessary injury is easily brought to the patients after repeated operation for many times, and the operation difficulty of the whole nucleus breaking is increased.
We have therefore proposed a cataract nucleus pulposus device which addresses the problems set out above.
Disclosure of Invention
The invention aims to provide a cataract nucleus breaking device, which solves the problems that the existing cataract nucleus breaking device in the market is inconvenient to adjust the length of the cataract nucleus breaking device according to actual needs when in use and is easy to slip with the cataract nucleus breaking device due to the sweating of the hand of a user after long-time use, so that the practicability of the cataract nucleus breaking device is reduced, the whole nucleus breaking effect is poor, the problem of incomplete nucleus breaking is easy to occur, and meanwhile, repeated operation is mostly required to be repeatedly performed for many times in the nucleus breaking operation process of a cataract patient, unnecessary injuries are easily brought to the patient after repeated operation for many times, and the operation difficulty of the whole nucleus breaking is increased.
In order to achieve the purpose, the invention provides the following technical scheme: a cataract nucleus breaking device comprises a support frame, a handle, a vortex spring and a protective frame, wherein an installation shaft is fixedly mounted on the right end side of the support frame, the handle is mounted on the right side of the installation shaft, the vortex spring is mounted between the left end of the handle and the installation shaft, a regulating rod is mounted on the right end of the handle, anti-skidding outer patterns are fixedly mounted on the outer side of the regulating rod, the protective frame is fixedly mounted on the outer side of the handle, a sliding block is mounted on the inner side of the end part of the protective frame, the side of the sliding block is connected with the inner part of the protective frame through a built-in spring, a movable plate is mounted on the inner side of the sliding block, an extrusion plate is fixedly mounted on the inner side of the end part of the movable plate, a breaking lug is fixedly connected to the inner side of the extrusion plate, a fixed cylinder, and the piston block is installed inside the fixed cylinder, the left end of the fixed cylinder is provided with an end suction nozzle, the inside of the end suction nozzle is provided with a movable column, the movable column and the inside of the end suction nozzle are connected with each other through a compression spring, the left end of the movable column is fixedly provided with a linking suction disc, the middle part of the linking suction disc is provided with a through hole, the lateral side of the movable column is fixedly provided with a traction rope, the lateral side of the traction rope is provided with a fixed pulley, the fixed pulley is fixedly installed inside the supporting frame, the end part of the traction rope is fixedly installed inside the movable plate, the lateral side of the lifting rod is fixedly provided with a limit column, the inside of the limit column is provided with an inserting block, the lateral side of the inserting block and the inside of the limit column are connected with each other through a reset spring, the limit column is installed inside the guide positioning rod, avris joint hole has been seted up to guide positioning pole's avris, and the inboard in avris joint hole installs the piece of pegging graft.
Preferably, be threaded connection between the right-hand member of regulation pole and hand (hold), and the outside of adjusting the pole is equidistant evenly distributed has anti-skidding external thread to constitute revolution mechanic between the left end of hand (hold) and the installation axle.
Preferably, the outer wall of sliding block and the inner wall of protection frame are laminated each other, and constitute sliding connection structure between sliding block and the protection frame to be integrated structure between the right-hand member of protection frame and the outside of hand (hold).
Preferably, a rotating structure is formed between the right end of the movable plate and the left end of the support frame, the outer side of the movable plate is connected with the sliding block in a hinged mode, the movable plate and the extrusion plate are symmetrically arranged about a transverse central axis of the support frame, and the movable plate and the extrusion plate are of an integrated structure.
Preferably, the piston block and the left end of the lifting rod are vertically distributed, the outer wall of the piston block and the inner wall of the fixed cylinder are mutually attached, and a sliding connection structure is formed between the piston block and the fixed cylinder.
Preferably, sliding connection is adopted between the movable column and the end suction nozzle, the interior of the movable column is of a hollow structure, and the left end of the movable column is fixedly connected with the connecting suction disc.
Preferably, the through hole in the middle of the connecting sucker and the movable column are located on the same horizontal straight line, and the movable column and the movable plate are connected with each other through a traction rope.
Preferably, the inserting block is of an L-shaped structure, the inserting block and the limiting column are connected in a sliding mode, and the outer wall of the end portion of the inserting block is attached to the inner wall of the side clamping hole.
Preferably, the inner wall of guiding and positioning rod and the outer wall of spacing post are laminated each other, and the avris of guiding and positioning rod equidistant evenly distributed has avris joint hole.
Compared with the prior art, the invention has the beneficial effects that: the cataract nucleus-breaking device can conveniently adjust the length of the cataract nucleus-breaking device according to the actual use condition, can reduce the possibility of loosening with the nucleus-breaking device, can effectively improve the whole nucleus-breaking effect, and avoids repeated nucleus-breaking operation;
1. the adjustable nuclear ware is provided with the adjusting rod, the adjusting rod can move at the right end of the handle under the action of threaded connection by rotating, the using length of the nuclear ware can be conveniently changed according to actual needs by changing the position of the adjusting rod, meanwhile, the contact friction force between the adjusting rod and the hand of a user is improved under the action of the anti-slip patterns uniformly distributed on the outer side of the adjusting rod, and the possibility that the nuclear ware slips due to sweating of the hand of the user after the user uses the adjusting rod for a long time is reduced;
2. the connecting sucker is arranged, the lifting rod is pulled towards the right side, the piston block can slide in the fixed cylinder by the movement of the lifting rod, and the connecting sucker sucks the lens nucleus under the action of negative pressure, so that the lens nucleus is conveniently sucked out of the lens capsule cavity;
3. be provided with the grafting piece, press the grafting piece to the inboard of spacing post, the tip of grafting piece enters into and takes place to break away from between the inside of spacing post and the avris joint hole this moment, can remove the fixed to the lifting rod from this, after the lifting rod moves suitable position, loosen the grafting piece, the grafting piece reinserts avris joint downthehole portion, can realize the spacing of lifting rod this moment, avoid holding the back with the crystalline lens nucleus and receive the not hard up phenomenon of appearance that external force influences leads to holding the crystalline lens nucleus because of the lifting rod.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a cross-sectional view of the handle and scroll spring of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is a schematic cross-sectional view of the protective frame and the slider of the present invention;
FIG. 5 is a schematic cross-sectional view of the tip suction nozzle and the movable post of the present invention;
FIG. 6 is a schematic side view of the engagement chuck and through hole of the present invention;
FIG. 7 is a schematic side view of the guiding and positioning rod and the side clamping hole of the present invention;
FIG. 8 is a schematic cross-sectional view of the positioning guide rod and the limiting post according to the present invention;
FIG. 9 is a schematic cross-sectional view of the limiting post and the inserting block of the present invention.
In the figure: 1. a support frame; 2. installing a shaft; 3. a handle; 4. a scroll spring; 5. adjusting a rod; 6. anti-skid external threads; 7. a protective frame; 8. a slider; 9. a built-in spring; 10. a movable plate; 11. a pressing plate; 12. breaking the bumps; 13. a fixed cylinder; 14. lifting a pull rod; 15. a piston block; 16. an end suction nozzle; 17. moving the column; 18. a compression spring; 19. connecting the suckers; 20. a through hole; 21. a hauling rope; 22. a fixed pulley; 23. a limiting column; 24. an insertion block; 25. a return spring; 26. guiding a positioning rod; 27. the side is clamped with the hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a cataract nucleus breaking device comprises a support frame 1, an installation shaft 2, a handle 3, a vortex spring 4, an adjusting rod 5, an anti-skid external thread 6, a protective frame 7, a sliding block 8, an internal spring 9, a movable plate 10, a squeezing plate 11, a breaking lug 12, a fixed cylinder 13, a lifting rod 14, a piston block 15, an end suction nozzle 16, a moving column 17, a compression spring 18, a linking suction disc 19, a through hole 20, a traction rope 21, a fixed pulley 22, a limiting column 23, an inserting block 24, a reset spring 25, a guide positioning rod 26 and an edge clamping hole 27, wherein the right end edge of the support frame 1 is fixedly provided with the installation shaft 2, the right side of the installation shaft 2 is provided with the handle 3, the vortex spring 4 is arranged between the left end of the handle 3 and the installation shaft 2, the right end of the handle 3 is provided with the adjusting rod 5, the anti-skid external thread 6 is fixedly arranged on the, a sliding block 8 is arranged on the inner side of the end part of the protection frame 7, the side of the sliding block 8 is connected with the inside of the protection frame 7 through a built-in spring 9, a movable plate 10 is arranged on the inner side of the sliding block 8, a squeezing plate 11 is fixedly arranged on the inner side of the end part of the movable plate 10, a crushing lug 12 is fixedly connected with the inner side of the squeezing plate 11, a fixed cylinder 13 is arranged in the middle of the support frame 1, a lifting rod 14 is arranged in the fixed cylinder 13, a piston block 15 is fixedly arranged at the left end of the lifting rod 14, the piston block 15 is arranged in the fixed cylinder 13, an end nozzle 16 is arranged at the left end of the fixed cylinder 13, a moving column 17 is arranged in the end nozzle 16, the moving column 17 is connected with the inside of the end nozzle 16 through a compression spring 18, a linking suction cup 19 is fixedly arranged at the left end, remove the avris fixed mounting of post 17 and have haulage rope 21, and fixed pulley 22 is installed to the avris of haulage rope 21, and fixed pulley 22 fixed mounting is in the inboard of support frame 1, and the tip fixed mounting of haulage rope 21 is in the inboard of fly leaf 10, the avris fixed mounting of lifting rod 14 has spacing post 23, and the internally mounted of spacing post 23 has plug block 24, and through reset spring 25 interconnect between the avris of plug block 24 and the inside of spacing post 23, spacing post 23 is installed in the inside of guide orientation pole 26, and the outside fixed mounting of guide orientation pole 26 is in the inboard of support frame 1, avris joint hole 27 has been seted up to the avris of guide orientation pole 26, and plug block 24 is installed to the inboard of avris joint hole 27.
Adjust between the right-hand member of pole 5 and hand (hold) 3 for threaded connection, and the equidistant evenly distributed in the outside of pole 5 has anti-skidding striae 6, and constitute revolution mechanic between the left end of hand (hold) 3 and installation axle 2, thereby can increase and the contact friction force between the user's hand when using through adjusting the anti-skidding striae 6 of 5 outside evenly distributed in the pole, thereby reduce and the possibility that appears the landing between the user's hand, utilize the threaded connection between pole 5 and the 3 right-hand members of hand (hold) simultaneously, and then can conveniently adjust the live length of hand (hold) 3 according to actual need.
The outer wall of sliding block 8 and the inner wall of protection frame 7 laminate each other, and constitute sliding connection structure between sliding block 8 and the protection frame 7 to be the integral structure between the right-hand member of protection frame 7 and the outside of hand (hold) 3, thereby hand (hold) 3 can drive protection frame 7 and carry out synchronous rotation in the rotation of installing on axle 2.
A rotating structure is formed between the right end of the movable plate 10 and the left end of the support frame 1, the outer side of the movable plate 10 is connected with the sliding block 8 in a hinged manner, the movable plate 10 and the pressing plate 11 are symmetrically arranged about the transverse central axis of the support frame 1, an integrated structure is formed between the movable plate 10 and the pressing plate 11, and the movement of the movable plate 10 can enable the end portion of the movable plate 10 to rotate around the left end of the support frame 1 under the action of the sliding block 8.
For vertical distribution between the left end of piston block 15 and lifting rod 14, and the outer wall of piston block 15 and the inner wall of a fixed section of thick bamboo 13 laminate each other, and constitute sliding connection structure between piston block 15 and a fixed section of thick bamboo 13, laminate each other between the outer wall of piston block 15 and a fixed section of thick bamboo 13, thereby can improve the stability of piston block 15 at a fixed section of thick bamboo 13 internal motion, utilize lifting rod 14's motion can drive vertical distribution's piston block 15 to carry out simultaneous movement simultaneously.
Remove for sliding connection between post 17 and the end suction nozzle 16, and the inside of removing post 17 sets up to hollow structure to for fixed connection between the left end of removing post 17 and the linking sucking disc 19, thereby remove the post 17 and can conveniently adjust the initial position that links up sucking disc 19 in the inside slip of end suction nozzle 16 and change.
The through hole 20 and the removal post 17 that link up sucking disc 19 middle part are located same horizontal straight line, and remove through haulage rope 21 interconnect between post 17 and the fly leaf 10, and the motion of fly leaf 10 can carry out synchronous motion by pulling removal post 17 under the effect of haulage rope 21, and the through hole 20 and the removal post 17 that link up sucking disc 19 middle part simultaneously are located the circulation that can make things convenient for the air current on same horizontal straight line, and then come the convenience to utilize to link up sucking disc 19 and adsorb the object with this.
The insertion block 24 is arranged to be of an L-shaped structure, sliding connection is formed between the insertion block 24 and the limiting column 23, the outer wall of the end portion of the insertion block 24 is attached to the inner wall of the side clamping hole 27, the outer wall of the insertion block 24 is attached to the side clamping hole 27, and shaking of the insertion block 24 in the side clamping hole 27 can be avoided.
The inner wall of guiding orientation pole 26 and the outer wall of spacing post 23 laminate each other, and the avris of guiding orientation pole 26 equidistant evenly distributed has avris joint hole 27, thereby utilize evenly distributed's avris joint hole 27 can conveniently fix spacing post 23.
The working principle is as follows: when the cataract nucleus pulposus device is used, firstly, as shown in figures 1-9, a user holds the adjusting rod 5 by hand, the contact friction force between the adjusting rod 5 and the hand of the user can be increased through the anti-skidding outer threads 6 uniformly distributed on the outer part of the adjusting rod 5, the probability of slippage between the adjusting rod and the cataract nucleus pulposus device caused by the sweat of the hand of the user after long-time use is reduced, when the using length of the whole cataract nucleus pulposus device is required to be adjusted, the adjusting rod 5 is rotated at the right end of the handle 3, the adjusting rod 5 is in threaded connection with the handle 3, the rotation of the adjusting rod 5 can move on the handle 3, the length of the cataract nucleus pulposus device can be conveniently adjusted through the movement of the adjusting rod 5, after the adjusting rod 5 is adjusted, the adjusting rod 5 is forcibly held inwards, the handle 3 rotates on the installation shaft 2 inwards after the adjusting rod 5 is stressed, and the rotation of the handle, the left end of the protective frame 7 rotates outwards, the sliding block 8 can slide inside after the protective frame 7 rotates, the right end of the movable plate 10 can be pulled to rotate around the left end of the support frame 1 by the motion of the sliding block 8, the extrusion plate 11 can be opened by the motion of the movable plate 10, meanwhile, as shown in fig. 1 and 5, the movable plate 10 rotates to pull the movable column 17 to slide leftwards inside the end suction nozzle 16 under the action of the traction rope 21, the linking suction cup 19 moves to a cataract position in the eyes of a patient after the movable column 17 moves, then as shown in fig. 1 and 5-9, the inserting block 24 is pushed towards the inner side of the limiting column 23, at the moment, the end part of the inserting block 24 enters the inside of the limiting column 23, the inserting block 24 is separated from the side clamping hole 27, then the lifting rod 14 is pulled rightwards, and the motion of the lifting rod 14 can enable the piston block 15 to slide inside the fixed cylinder 13, therefore, the connecting sucker 19 at the end of the movable column 17 sucks the lens nucleus by utilizing the principle of negative pressure, after the lens nucleus is sucked, the inserting block 24 is loosened, the inserting block 24 is reset under the action of the reset spring 25, and the end part of the reset inserting block 24 enters the inside of the side clamping hole 27 again, so that the position fixation of the lifting rod 14 is realized, the phenomenon that the lifting rod 14 moves due to the influence of external force and the lens nucleus sucked by the connecting sucker 19 is loosened is avoided;
as shown in fig. 1-9, after the engagement suction cup 19 sucks the lens nucleus, the adjustment rod 5 is released, the handle 3 is reset under the action of the vortex spring 4, the protection frame 7 can be reset synchronously by resetting the handle 3, the movable plate 10 can be reset by resetting the protection frame 7 under the action of the sliding block 8 and the built-in spring 9, the movable post 17 loses the tension of the traction rope 21 after the movable plate 10 is reset, the movable post 17 is reset under the action of the compression spring 18, the engagement suction cup 19 sucking the lens nucleus is retracted into the protection frame 7 by the reset movable post 17, and the lens nucleus retracted into the protection frame 7 is crushed by the crushing bump 12 on the inner side of the extrusion plate 11.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a broken nuclear ware of cataract, includes support frame (1), hand (3), vortex spring (4) and protection frame (7), its characterized in that: the right-hand member avris fixed mounting of support frame (1) has installation axle (2), and installs hand (3) on the right side of installation axle (2), install vortex spring (4) between the left end of hand (3) and installation axle (2), and the right-hand member of hand (3) installs regulation pole (5), and the outside fixed mounting who adjusts pole (5) has anti-skidding outer line (6), the outside fixed mounting of hand (3) has protection frame (7), and the tip inboard of protection frame (7) installs sliding block (8), through built-in spring (9) interconnect between the avris of sliding block (8) and the inside of protection frame (7), and the inboard of sliding block (8) installs fly leaf (10), the inboard fixed mounting of tip of fly leaf (10) has stripper plate (11), and the inboard fixedly connected with broken lug (12) of stripper plate (11), the middle mounting of support frame (1) has a fixed cylinder (13), and the internally mounted of fixed cylinder (13) has a lifting rod (14), the left end fixed mounting of lifting rod (14) has piston piece (15), and piston piece (15) install the inside at fixed cylinder (13), end suction nozzle (16) are installed to the left end of fixed cylinder (13), and the internally mounted of end suction nozzle (16) has a removal post (17), and remove and pass through compression spring (18) interconnect between the inside of post (17) and end suction nozzle (16), the left end fixed mounting who removes post (17) has linking sucking disc (19), and the middle part that the sucking disc links up (19) has seted up through-hole (20), the avris fixed mounting who removes post (17) has haulage rope (21), and the avris of haulage rope (21) installs fixed pulley (22) to fixed pulley (22) fixed mounting is in the inboard of support frame (1), and the tip fixed mounting of haulage rope (21) is in the inboard of fly leaf (10), the avris fixed mounting of carrying pull rod (14) has spacing post (23), and the internally mounted of spacing post (23) has plug block (24) to through reset spring (25) interconnect between the avris of plug block (24) and the inside of spacing post (23), the inside at guiding orientation pole (26) is installed in spacing post (23), and the outside fixed mounting of guiding orientation pole (26) is in the inboard of support frame (1), avris joint hole (27) have been seted up to the avris of guiding orientation pole (26), and plug block (24) are installed to the inboard of avris joint hole (27).
2. A cataract nucleus pulposus device as in claim 1 wherein: the adjusting rod is characterized in that the adjusting rod (5) is in threaded connection with the right end of the handle (3), anti-skidding outer threads (6) are uniformly distributed on the outer side of the adjusting rod (5) at equal intervals, and a rotating structure is formed between the left end of the handle (3) and the mounting shaft (2).
3. A cataract nucleus pulposus device as in claim 1 wherein: the outer wall of sliding block (8) and the inner wall of protection frame (7) laminate each other, and constitute sliding connection structure between sliding block (8) and the protection frame (7) to be integrated structure between the right-hand member of protection frame (7) and the outside of hand (3).
4. A cataract nucleus pulposus device as in claim 1 wherein: a rotating structure is formed between the right end of the movable plate (10) and the left end of the support frame (1), the outer side of the movable plate (10) is connected with the sliding block (8) in a hinged mode, the movable plate (10) and the extrusion plate (11) are symmetrically arranged about a transverse central axis of the support frame (1), and the movable plate (10) and the extrusion plate (11) are of an integrated structure.
5. A cataract nucleus pulposus device as in claim 1 wherein: the piston block (15) and the left end of the lifting rod (14) are vertically distributed, the outer wall of the piston block (15) is attached to the inner wall of the fixed cylinder (13), and a sliding connection structure is formed between the piston block (15) and the fixed cylinder (13).
6. A cataract nucleus pulposus device as in claim 1 wherein: the movable column (17) is in sliding connection with the end suction nozzle (16), the interior of the movable column (17) is of a hollow structure, and the left end of the movable column (17) is fixedly connected with the connecting suction disc (19).
7. A cataract nucleus pulposus device as in claim 1 wherein: the through hole (20) in the middle of the connecting sucker (19) and the movable column (17) are located on the same horizontal straight line, and the movable column (17) and the movable plate (10) are connected with each other through a traction rope (21).
8. A cataract nucleus pulposus device as in claim 1 wherein: the plug-in block (24) sets up to "L" shape structure, and is sliding connection between plug-in block (24) and spacing post (23) to the tip outer wall of plug-in block (24) and the inner wall in avris joint hole (27) are laminated each other.
9. A cataract nucleus pulposus device as in claim 1 wherein: the inner wall of the guide positioning rod (26) is attached to the outer wall of the limiting column (23), and side clamping holes (27) are evenly distributed on the side of the guide positioning rod (26) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011126496.9A CN112168485B (en) | 2020-10-20 | 2020-10-20 | Cataract nucleus breaking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011126496.9A CN112168485B (en) | 2020-10-20 | 2020-10-20 | Cataract nucleus breaking device |
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| CN112168485A true CN112168485A (en) | 2021-01-05 |
| CN112168485B CN112168485B (en) | 2023-01-24 |
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