CN111714279B - Appearance is smashed to bag before supersound - Google Patents

Appearance is smashed to bag before supersound Download PDF

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Publication number
CN111714279B
CN111714279B CN202010435628.XA CN202010435628A CN111714279B CN 111714279 B CN111714279 B CN 111714279B CN 202010435628 A CN202010435628 A CN 202010435628A CN 111714279 B CN111714279 B CN 111714279B
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China
Prior art keywords
ultrasonic
cornea
insulation shell
anterior
medium unit
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Application number
CN202010435628.XA
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Chinese (zh)
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CN111714279A (en
Inventor
王勤美
黄锦海
邓大辉
高蓉蓉
梅晨阳
曾震海
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Eye Hospital of Wenzhou Medical University
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Eye Hospital of Wenzhou Medical University
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Application filed by Eye Hospital of Wenzhou Medical University filed Critical Eye Hospital of Wenzhou Medical University
Priority to CN202010435628.XA priority Critical patent/CN111714279B/en
Publication of CN111714279A publication Critical patent/CN111714279A/en
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Publication of CN111714279B publication Critical patent/CN111714279B/en
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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
    • A61F9/00754—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments for cutting or perforating the anterior lens capsule, e.g. capsulotomes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
    • A61B2034/2046—Tracking techniques
    • A61B2034/2055—Optical tracking systems

Abstract

The invention discloses an ultrasonic anterior capsule crushing instrument, which comprises a contact member capable of cutting the surface of a cornea to extend into the inner side of the cornea, a driving member arranged on the outer side of the cornea and used for driving the contact member to move and fixing the contact member, and an ultrasonic host arranged on the outer side of the cornea and used for generating ultrasonic waves; the contact component comprises an ultrasonic-transmitting heat-insulating shell, a contact groove is formed in the ultrasonic-transmitting heat-insulating shell, a medium unit is arranged in the contact groove, and the medium unit is flexible; the ultrasonic main machine is arranged right above the outer side of the cornea and comprises an ultrasonic probe, and the ultrasonic generated by the ultrasonic main machine can convert the medium unit under the action of the ultrasonic and release heat energy, so that the anterior capsule of the crystalline lens is burnt and an incision is formed. The invention has the following advantages and effects: can conveniently cut a satisfactory incision on the lens capsule, thereby assisting a doctor to accurately and conveniently perform the operation.

Description

Appearance is smashed to bag before supersound
Technical Field
The invention relates to the field of ophthalmic detection, in particular to an ultrasonic anterior capsule crushing instrument.
Background
The lens is anatomically composed of an anterior capsule, a cortex, a nucleus, and a posterior capsule, and cataract is a phenomenon in which opacity occurs among these components. Cataracts are adult diseases that have increased dramatically in people over 60 years of age and their development and degree of opacity has increased dramatically, and are the most common diseases leading to blindness.
The only treatment for cataracts is surgical removal of the opacified lens and insertion of a manually prepared clear intraocular lens in its place. Currently, the most widely used method of cataract surgery is a phacoemulsification procedure followed by intraocular lens capsular insertion. The first step is to cut the anterior lens capsule and take out the lens by forming an incision, the size of the incision of the anterior lens capsule is very tested by the surgical level, and if the incision of the anterior lens capsule is too large, the lens falls off to cause medical accidents; if the incision size of the anterior lens capsule is too small, the anterior lens capsule will shrink, resulting in poor vision, and thus the standard incision size is more demanding for the level of the surgical procedure.
Therefore, there is a need for a device for guiding the anterior lens capsule during incision to assist the surgeon in performing an accurate and convenient incision of the anterior lens capsule.
Disclosure of Invention
The invention aims to provide an ultrasonic anterior capsule crushing instrument to solve the problems in the background art.
The technical purpose of the invention is realized by the following technical scheme: an ultrasonic anterior capsule crushing instrument comprises a contact member capable of cutting the surface of a cornea to extend into the inner side of the cornea, a driving member arranged on the outer side of the cornea and used for driving the contact member to move and fixing the contact member, and an ultrasonic main machine arranged on the outer side of the cornea and used for generating ultrasonic waves; the contact component comprises an ultrasonic-transmitting heat-insulating shell, a contact groove is formed in one side, facing the anterior lens capsule, of the ultrasonic-transmitting heat-insulating shell, a medium unit used for converting ultrasonic into heat energy is fixedly arranged in the contact groove, the medium unit extends out of the contact groove and contacts with the anterior lens capsule, and the medium unit is flexible; the ultrasonic main machine is arranged right above the outer side of the cornea and comprises an ultrasonic probe which is arranged towards the cornea, and the ultrasonic generated by the ultrasonic main machine can pass through the ultrasonic heat insulation shell through the ultrasonic probe so that a medium unit in the ultrasonic heat insulation shell is converted under the action of the ultrasonic and releases heat energy, and then the anterior lens capsule is burned to form an incision.
The further setting is that: the contact groove of the ultrasonic-transparent heat-insulation shell corresponds to the position of the front lens capsule, an inner stop block made of the same material as the ultrasonic-transparent heat-insulation shell is further arranged in the ultrasonic-transparent heat-insulation shell, the inner stop block is positioned right above the medium unit and is matched with the ultrasonic-transparent heat-insulation shell to form the contact groove, a medium block made of the same material as the medium unit is fixedly arranged on the side of the inner stop block, and the position of an iris bordered by the medium block and the front lens capsule corresponds to the position of the iris bordered by the medium block.
The further setting is that: a cooling channel which is contacted with the medium block is arranged in the ultrasonic-transparent heat insulation shell, and cooling water is injected into the cooling channel to realize heat conduction to the medium block.
The further setting is as follows: the ultrasonic-transmitting heat-insulating shell is characterized in that side arms capable of extending out of the surface of the cornea are arranged on two sides of the ultrasonic-transmitting heat-insulating shell, and the cooling channel extends along the side arms to achieve the purpose of guiding in or guiding out cooling water from the outer side of the cornea.
The further setting is that: the side of the medium unit facing the front capsule of the lens is regularly distributed with dentations.
The further setting is that: the ultrasonic host machine also comprises two laser indicating probes which are respectively positioned at two opposite sides of the ultrasonic probe, the two laser indicating probes are respectively arranged in an inclined way at an angle of 45 degrees relative to the horizontal position and point to the axis extension line of the ultrasonic probe, the laser emitted by one laser indicating probe is a cross cursor, and the laser emitted by the other laser indicating probe is a point cursor.
The further setting is that: the ultrasonic main machine also comprises an eye cup which covers the ultrasonic probe and the two laser indicating probes, and the eye cup is filled with a coupling agent.
The further setting is that: the driving member comprises a base for fixing and an adjusting rod which is arranged on the base in a penetrating mode and can slide transversely, and a clamping assembly which can clamp and fix a side arm of the ultrasonic-permeable heat-insulating shell and drive the side arm to move longitudinally is arranged at one end of the adjusting rod; the adjusting rod is provided with a section of adjusting hole along the length direction, the base is provided with a fixed seat, an inserting shaft is inserted into the fixed seat, and the inserting shaft can penetrate into the adjusting hole and form damping fit with the inner wall of the adjusting hole so as to fix the adjusting rod; the clamping assembly comprises a clamping frame, a screw rod is longitudinally arranged on the clamping frame, two clamping arms are arranged on the screw rod, a clamping cavity matched with a side arm of the ultrasound-transparent heat-insulation shell is formed between the two clamping arms, and the side arm of the ultrasound-transparent heat-insulation shell can extend into the clamping cavity and form damping limit with the clamping cavity; the clamping frame is provided with a guide rod used for guiding and limiting the longitudinal movement of the clamping arms.
The invention has the beneficial effects that:
1. in the invention, a medium unit in a contact groove is in contact with the anterior lens capsule, and the ultrasonic emitted by an ultrasonic host passes through an ultrasonic heat insulation shell, so that the medium unit in the ultrasonic heat insulation shell is converted under the action of the ultrasonic and releases heat energy, and the anterior lens capsule is burned to form an incision; meanwhile, the medium unit has flexibility and can be in direct contact with the surface of the anterior lens capsule to generate an incision with a required size; thereby effectively solving the problem that the incision of the anterior lens capsule is too large or too small, reducing the level requirement of the operation, improving the success rate of the operation and avoiding the occurrence of medical accidents.
2. The medium block is arranged to effectively absorb the ultrasonic waves, so that the ultrasonic waves are prevented from penetrating through the ultrasonic-transparent heat-insulation shell to the iris to the maximum extent; meanwhile, a cooling channel is arranged to conduct heat to the medium block, so that heat is dissipated inside the ultrasonic heat insulation shell in time, and the structure is stable and reliable.
3. In the invention, the side arms which can extend out of the surface of the cornea are arranged on the two sides of the ultrasonic-transmitting heat-insulating shell, so that cooling water can be conveniently led in or out from the outside to the cooling channel; meanwhile, the side arms are arranged to be convenient to clamp by the driving component to drive the ultrasonic heat insulation shell to move.
4. In the invention, the eye cup and the couplant filled in the eye cup are arranged to prevent the attenuation of the ultrasound in the air and ensure that the ultrasound is more effectively transmitted.
5. In the invention, the position of the ultrasonic-transparent heat-insulating shell is adjusted by arranging the clamping assembly, so that the medium unit on the ultrasonic-transparent heat-insulating shell is stably contacted with the anterior lens capsule.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an enlarged view of a portion B in fig. 1.
In the figure: 11. an ultrasonically transparent thermally insulating housing; 12. a contact groove; 13. a media unit; 131. a tooth-shaped bulge; 14. an inner stop block; 15. a dielectric block; 16. a cooling channel; 17. a side arm; 21. a cornea; 22. a lens; 221. an anterior lens capsule; 23. an iris; 31. an ultrasonic host; 32. an ultrasonic probe; 33. a laser indication probe; 34. an eye cup; 41. a base; 42. adjusting a rod; 421. an adjustment hole; 43. a fixed seat; 44. inserting a shaft; 51. a clamping frame; 52. a screw; 53. a clamp arm; 531. a clamping cavity; 54. a guide rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 3, an ultrasonic anterior capsule crushing apparatus includes a contact member capable of cutting the surface of a cornea 21 to extend into the inner side of the cornea 21, a driving member disposed on the outer side of the cornea 21 for driving the contact member to move and fixing the contact member, and an ultrasonic main unit 31 disposed on the outer side of the cornea 21 for generating ultrasonic waves.
The contact component comprises an ultrasonic-transparent heat-insulating shell 11, a contact groove 12 is formed in one side, facing the anterior lens capsule 221, of the ultrasonic-transparent heat-insulating shell 11, a medium unit 13 used for converting ultrasonic waves into heat energy is fixedly arranged in the contact groove 12, the medium unit 13 extends out of the contact groove 12 and is in contact with the anterior lens capsule 221, and the medium unit 13 is flexible. The medium unit 13 is made of a material capable of converting ultrasound into heat energy, and also has a flexible characteristic.
The ultrasonic main machine 31 is arranged right above the outer side of the cornea 21, the ultrasonic main machine 31 comprises an ultrasonic probe 32 which is arranged towards the cornea 21, and the ultrasonic generated by the ultrasonic main machine 31 can pass through the ultrasonic heat insulation shell 11 through the ultrasonic probe 32, so that the medium unit 13 in the ultrasonic heat insulation shell 11 is subjected to the action of the ultrasonic and is converted and releases heat energy, and the anterior lens capsule 221 is burned and an incision is formed.
Specifically, the medium unit 13 in the contact groove 12 is in contact with the anterior lens capsule 221, and the ultrasound emitted by the ultrasound host 31 passes through the ultrasound-transparent heat-insulating housing 11, so that the medium unit 13 in the ultrasound-transparent heat-insulating housing 11 is converted under the action of the ultrasound and releases heat energy, and the anterior lens capsule 221 is burned to form an incision; at the same time, the media unit 13 is flexible and can be placed in direct contact with the anterior lens capsule 221 surface to create a desired size incision.
The contact groove 12 of the ultrasonic-transparent heat-insulation shell 11 corresponds to the position of the anterior lens capsule 221, an inner stop block 14 made of the same material as the ultrasonic-transparent heat-insulation shell 11 is further arranged in the ultrasonic-transparent heat-insulation shell 11, the inner stop block 14 is positioned right above the medium unit 13 and is matched with the ultrasonic-transparent heat-insulation shell 11 to form the contact groove 12, a medium block 15 made of the same material as the medium unit 13 is fixedly arranged on the side of the inner stop block 14, and the position of the iris 23 bordered by the medium block 15 and the anterior lens capsule 221 corresponds. The medium block 15 is arranged to effectively absorb the ultrasound, so that the ultrasound is greatly prevented from penetrating through the ultrasound-transparent heat-insulation shell 11 to the iris 23.
A cooling channel 16 in contact with the dielectric block 15 is formed in the ultrasound-transparent heat-insulating case 11, and heat conduction to the dielectric block 15 is realized by injecting cooling water into the cooling channel 16. Through setting up cooling channel 16, come to carry out heat conduction to medium piece 15 to in time dispel the heat to the inside of passing through supersound thermal-insulated shell 11, stable in structure is reliable.
Both sides of the ultrasonic-transparent heat-insulating shell 11 are provided with side arms 17 which can extend out of the surface of the cornea 21, and the cooling channel 16 extends along the side arms 17 so as to achieve the purpose of introducing or leading out cooling water from the outer side of the cornea 21.
The side of the media unit 13 facing the anterior lens capsule 221 is regularly distributed with teeth 131, and the teeth 131 are better contacted with the anterior lens capsule 221.
The ultrasonic main unit 31 further comprises two laser indication probes 33 respectively located on two opposite sides of the ultrasonic probe 32, the two laser indication probes 33 are both arranged at an angle of 45 degrees relative to the horizontal position and point to the axis extension line of the ultrasonic probe 32, the laser emitted by one of the laser indication probes 33 is a cross cursor, and the laser emitted by the other laser indication probe 33 is a point cursor. The positioning is realized by two laser indication probes 33, and the center of the anterior capsule 221 of the retroflexed lens can be effectively rotated.
The ultrasonic main unit 31 further comprises an eye cup 34 for covering the ultrasonic probe 32 and the two laser indication probes 33, and the eye cup 34 is filled with a coupling agent. The couplant can be purchased from the market, and the couplant is filled to prevent the attenuation of the ultrasound in the air, so that the ultrasound is more effectively transmitted.
The driving component comprises a base 41 for fixing and an adjusting rod 42 which is arranged on the base 41 in a penetrating way and can slide transversely, and one end of the adjusting rod 42 is provided with a clamping component which can clamp and fix the side arm 17 of the ultrasonic heat insulation shell 11 and drive the side arm to move longitudinally;
the adjusting rod 42 is provided with a section of adjusting hole 421 along the length direction thereof, the base 41 is provided with a fixed seat 43, an inserting shaft 44 is inserted on the fixed seat 43, and the inserting shaft 44 can penetrate into the adjusting hole 421 and form damping fit with the inner wall of the adjusting hole 421 to fix the adjusting rod 42;
the clamping assembly comprises a clamping frame 51, a screw 52 is longitudinally arranged on the clamping frame 51, two clamping arms 53 are arranged on the screw 52, a clamping cavity 531 matched with a side arm 17 of the ultrasound-transparent heat-insulating shell 11 is formed between the two clamping arms 53, and the side arm 17 of the ultrasound-transparent heat-insulating shell 11 can extend into the clamping cavity 531 and form damping limit with the clamping cavity 531; the two clamping arms 53 are provided with peripheral threads which are in threaded fit with the screw 52, so that the two clamping arms 53 are driven to synchronously move by rotating the screw 52, and the clamping frame 51 is further provided with a guide rod 54 for guiding and limiting the longitudinal movement of the clamping arms 53. Of course, two drive members may be provided in the present invention.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (7)

1. The utility model provides an appearance is smashed to bag before supersound which characterized in that: comprises a contact component which can cut off the surface of a cornea (21) and extends into the inner side of the cornea (21), a driving component which is arranged on the outer side of the cornea (21) and is used for driving the contact component to move and fixing the contact component, and an ultrasonic host (31) which is arranged on the outer side of the cornea (21) and is used for generating ultrasonic waves; the contact component comprises an ultrasonic-transmitting heat-insulating shell (11), a contact groove (12) is formed in one side, facing the anterior lens capsule (221), of the ultrasonic-transmitting heat-insulating shell (11), a medium unit (13) used for converting ultrasonic waves into heat energy is fixedly arranged in the contact groove (12), the medium unit (13) extends out of the contact groove (12) and is in contact with the anterior lens capsule (221), and the medium unit (13) has flexibility; the ultrasonic main machine (31) is arranged right above the outer side of the cornea (21), the ultrasonic main machine (31) comprises an ultrasonic probe (32) which is arranged towards the cornea (21), and the ultrasonic generated by the ultrasonic main machine (31) can penetrate through the ultrasonic heat-insulation shell (11) through the ultrasonic probe (32) so that a medium unit (13) in the ultrasonic heat-insulation shell (11) is subjected to the action of the ultrasonic to be converted and release heat energy, and then the anterior lens capsule (221) is burned to form an incision;
the contact groove (12) of the ultrasonic-transparent heat insulation shell (11) corresponds to the position of a crystalline lens anterior capsule (221), an inner stop block (14) which is made of the same material as the ultrasonic-transparent heat insulation shell (11) is further arranged in the ultrasonic-transparent heat insulation shell (11), the inner stop block (14) is positioned right above a medium unit (13) and is matched with the ultrasonic-transparent heat insulation shell (11) to form the contact groove (12), a medium block (15) which is made of the same material as the medium unit (13) is fixedly arranged on the side of the inner stop block (14), and the iris (23) which borders the medium block (15) and the crystalline lens anterior capsule (221) corresponds to each other in position.
2. The ultrasonic anterior capsule crushing apparatus according to claim 1, wherein: a cooling channel (16) which is contacted with the medium block (15) is arranged in the ultrasonic-transparent heat insulation shell (11), and cooling water is injected into the cooling channel (16) to realize heat conduction of the medium block (15).
3. The ultrasonic anterior capsule crushing apparatus according to claim 2, wherein: both sides of the ultrasonic-transparent heat-insulation shell (11) are provided with side arms (17) capable of extending out of the surface of the cornea (21), and the cooling channel (16) extends along the side arms (17) so as to achieve the purpose of leading in or leading out cooling water from the outer side of the cornea (21).
4. The ultrasonic anterior capsule crushing instrument according to claim 1, wherein: the side of the medium unit (13) facing the anterior lens capsule (221) is regularly distributed with dentations (131).
5. The ultrasonic anterior capsule crushing apparatus according to claim 1, wherein: the ultrasonic host (31) further comprises two laser indication probes (33) which are respectively positioned on two opposite sides of the ultrasonic probe (32), the two laser indication probes (33) are arranged in an inclined manner at 45 degrees relative to the horizontal position and all point to the axis extension line of the ultrasonic probe (32), one laser emitted by the laser indication probe (33) is a cross cursor, and the other laser emitted by the laser indication probe (33) is a point cursor.
6. The ultrasonic anterior capsule crushing apparatus according to claim 4, wherein: the ultrasonic main machine (31) further comprises an eye cup (34) which covers the ultrasonic probe (32) and the two laser indication probes (33), and the eye cup (34) is filled with a coupling agent.
7. The ultrasonic anterior capsule crushing apparatus according to claim 2, wherein: the driving component comprises a base (41) for fixing and an adjusting rod (42) which is arranged on the base (41) in a penetrating mode and can slide transversely, and a clamping assembly which can clamp and fix a side arm (17) of the ultrasonic-transparent heat-insulation shell (11) and drive the side arm to move longitudinally is arranged at one end of the adjusting rod (42);
the adjusting rod (42) is provided with a section of adjusting hole (421) along the length direction, the base (41) is provided with a fixed seat (43), an inserting shaft (44) is inserted into the fixed seat (43), and the inserting shaft (44) can penetrate into the adjusting hole (421) and forms damping fit with the inner wall of the adjusting hole (421) to fix the adjusting rod (42);
the clamping assembly comprises a clamping frame (51), a screw rod (52) is longitudinally arranged on the clamping frame (51), two clamping arms (53) are arranged on the screw rod (52), a clamping cavity (531) matched with a side arm (17) of the ultrasound-transparent heat-insulating shell (11) is formed between the two clamping arms (53), and the side arm (17) of the ultrasound-transparent heat-insulating shell (11) can extend into the clamping cavity (531) to form damping limit with the clamping cavity; two centre gripping arm (53) all be equipped with and constitute screw-thread fit's periphery screw thread with screw rod (52), drive two synchronous motion of centre gripping arm (53) through rotating screw rod (52) from this, clamping frame (51) on still be provided with guide bar (54) that are used for guide and spacing centre gripping arm (53) longitudinal movement.
CN202010435628.XA 2020-05-21 2020-05-21 Appearance is smashed to bag before supersound Active CN111714279B (en)

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CN111714279B true CN111714279B (en) 2022-06-03

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Publication number Priority date Publication date Assignee Title
US6066138A (en) * 1998-05-27 2000-05-23 Sheffer; Yehiel Medical instrument and method of utilizing same for eye capsulotomy
US8394084B2 (en) * 2005-01-10 2013-03-12 Optimedica Corporation Apparatus for patterned plasma-mediated laser trephination of the lens capsule and three dimensional phaco-segmentation
US8162931B2 (en) * 2005-04-13 2012-04-24 Valens Associated Inc. Thermal capsulotomy tool and system
US8657813B2 (en) * 2008-01-14 2014-02-25 Valens Associated Inc. Circular thermal capsulotomy tool and system
US20140194859A1 (en) * 2013-01-10 2014-07-10 Pravoslava IANCHULEV System and method of performing femtosecond laser accomodative capsulotomy
KR101484418B1 (en) * 2013-12-16 2015-01-28 인제대학교 산학협력단 Capsulorhexis apparatus
CN205322604U (en) * 2015-08-13 2016-06-22 天津迈森西朗科技有限公司 Ultrasonic emulsifica therapeutic instrument
WO2017062673A1 (en) * 2015-10-06 2017-04-13 Aleyegn, Inc. Ultrasound directed cavitational methods and system for ocular treatments
CN110755198A (en) * 2019-11-28 2020-02-07 中南大学湘雅二医院 Intraocular lens capsule membrane excision device and surgical instrument

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