CN110327155A - A kind of electric heating Nitinol crystalline lens cutting cystoma device - Google Patents

A kind of electric heating Nitinol crystalline lens cutting cystoma device Download PDF

Info

Publication number
CN110327155A
CN110327155A CN201910723044.XA CN201910723044A CN110327155A CN 110327155 A CN110327155 A CN 110327155A CN 201910723044 A CN201910723044 A CN 201910723044A CN 110327155 A CN110327155 A CN 110327155A
Authority
CN
China
Prior art keywords
handle
connector
electric heating
crystalline lens
electrode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910723044.XA
Other languages
Chinese (zh)
Inventor
李开明
徐曼华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Affiliated Hospital of Southwest Medical University
Original Assignee
Affiliated Hospital of Southwest Medical University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Affiliated Hospital of Southwest Medical University filed Critical Affiliated Hospital of Southwest Medical University
Priority to CN201910723044.XA priority Critical patent/CN110327155A/en
Publication of CN110327155A publication Critical patent/CN110327155A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F9/00Methods 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
    • A61F9/007Methods or devices for eye surgery
    • A61F9/00736Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
    • A61F9/00754Instruments 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

Abstract

The present invention provides a kind of electric heating Nitinol crystalline lens cutting cystoma devices, it is related to ophthalmic instruments technical field, including handle, press handle, it is implanted into casing, connector and section capsule ring, the handle is by tube wall and the battery composition being mounted on inside the tube wall, the battery is electrically connected by built-in circuit with the chimeric external electrode for being mounted on the tube wall surface, the side wall of the connector be arranged it is parallel with the connector described in press handle, the lower end of the handle is connect with the connector, the handle surface opposite with handle is pressed is fitted into external electrode and electrode 1 respectively, the external electrode and the electrical contact connection of electrode 1;The application devises a kind of electric heating Nitinol crystalline lens cutting cystoma device, can accurately control the diameter and shape of cyst membrane incision, safety is good, easy to operate.

Description

A kind of electric heating Nitinol crystalline lens cutting cystoma device
Technical field
The present invention relates to ophthalmic instruments technical fields, and in particular to a kind of electric heating Nitinol crystalline lens cutting cystoma device.
Background technique
In cataract operation, the incision of anterior lens capsule has two major classes mode: cutting capsule and capsulorhexis.It cuts capsule and uses a section capsule Needle or self-control discission needle manual operation are made annular dotted section of capsule of interruption along the circumference of predetermined diameter, are removed in circumference after the completion Cyst membrane.Capsulorhexis includes Tweezers for eye surgery capsulorhexis and femtosecond laser capsulorhexis.Tweezers for eye surgery capsulorhexis is with Tweezers for eye surgery in the lower section of predetermined diameter circumference Preceding capsule to be scratched, then circumferentially does annular continuous cyst membrane and removes, capsulorhexis direction is left hand capsulorhexis clockwise or right hand capsulorhexis counterclockwise, Capsulorhexis completion can remove cyst membrane in circumference.The medium of femtosecond laser capsulorhexis is laser, for the accurate operation skill under computer control Art with femtosecond laser along the circumference high frequency sweep of setting diameter, punctures cyst membrane, scanning is completed that is, after the fixed eyeball of negative pressure ring Remove cyst membrane in circumference manually afterwards.
In the prior art section of capsule has the following deficiencies: operation accuracy and poor controllability, cuts lens capsule membrane edge after capsule Edge forms zigzag or broken edge, causes cyst membrane all directions tension uneven, is easy secondary cyst membrane tearing, even results in crystalline Body core falls into the severe complications such as vitreous chamber backward.
In response to this problem, this application provides a kind of electric heating Nitinol crystalline lens cutting cystoma device, cyst membrane can accurately be controlled The diameter and shape of incision, safety is good, easy to operate.
Summary of the invention
In order to overcome the shortcomings of the prior art described above, the present invention provides a kind of electric heating Nitinol crystalline lenses to cut capsule Device.
To achieve the goals above, the invention provides the following technical scheme: a kind of electric heating Nitinol crystalline lens cutting cystoma device, Include: handle, press handle, implantation casing, connector and cut capsule ring, the handle is by tube wall and is mounted on inside the tube wall Battery composition, the battery are electrically connected by built-in circuit with the chimeric external electrode for being mounted on the tube wall surface, the company The side wall of connector be arranged it is parallel with the connector described in press handle, the lower end of the handle is connect with the connector, institute It states the handle surface opposite with handle is pressed and is fitted into external electrode and electrode 1 respectively, the external electrode and the electrical contact of electrode 1 connect It connects;
The handle presses handle and the equal inner hollow of connector, and sliding rail, the implantation casing is arranged in the connector side wall It is slidably mounted on the outside of the connector, the end that the connector and implantation casing deviate from the handle is respectively provided with through-hole, Described section of capsule ring be not closed, Foldable with the handle side wall be in angle endless metal circle, described section of capsule ring is not Two electric wires are separately connected at closure, two electric wires sequentially pass through the through-hole of the implantation casing and connector, an institute Wire end installation electrode 2 is stated, the electrode 2 is connect with the cell electrical contacts, is pressed described in another described electric wire entrance It is electrically connected in handle with the electrode 1.
Further, the horizontal mobile control-rod of the implantation sleeve side walls setting.
Further, card interface, one end card of the handle (1) is arranged away from the end for cutting capsule ring in the connector It connects in the card interface.
Further, the material of the implantation casing and connector is PMMA.
Further, described section of capsule ring uses diameter for 0.03mm nitinol alloy wire, and it is 6mm's that described section of capsule ring, which is diameter, Non-closed ring, described section of capsule ring and the handle side wall are in 120 ° of angles.
Further, the built-in circuit includes spring leaf and electric wire, and the battery passes sequentially through the spring leaf and electricity Line is electrically connected with the chimeric external electrode for being mounted on the tube wall surface.
Further, the battery is LR41 button cell.
A kind of electric heating Nitinol crystalline lens cutting cystoma device structure provided by the invention is simple, and design is reasonable, novel, user Just, effectively rule anterior lens capsule can be cut, while effectively avoids cutting manually during capsule, Tweezers for eye surgery capsulorhexis, lens capsule The film risks such as tearing, not placed in the middle, irregular extremely.For hypermature cataract operation, incomplete dislocation operation on lens, suspensorium The highly difficult cataract operation such as loose operation on lens is especially suitable, while low in cost, stabilization easy to operate, convenient for promoting It uses;This application provides a kind of electric heating Nitinol crystalline lens cutting cystoma devices, using button cell as power supply, and in handle in Circuits, external electrode cut the electrode in capsule ring and connector, can form closed loop circuit, and heating Nitinol cuts capsule ring, Crystalline peplos are burnt, realizes and precisely cuts capsule.The diameter and shape of cyst membrane incision can be accurately controlled, safety is good, operation letter Just.
Detailed description of the invention
Fig. 1 be a kind of flexible figure of the structure of electric heating Nitinol crystalline lens cutting cystoma device provided by the invention, side view and Front view;
Fig. 2 is a kind of enlarged drawing in the section A of electric heating Nitinol crystalline lens cutting cystoma device provided by the invention;
Fig. 3 is a kind of enlarged drawing of the B-section of electric heating Nitinol crystalline lens cutting cystoma device provided by the invention.
Description of symbols: 1- handle, 2- press handle, and 3- is implanted into casing, 4- connector, and 5- cuts capsule ring, 1a- tube wall, 1b- Battery, 1c- external electrode, 1d- built-in circuit, the mobile control-rod of 3a-, 4a- electrode 2,4b- electrode Isosorbide-5-Nitrae c- electric wire, 6- clamping Mouthful.
Specific embodiment
With reference to the accompanying drawing, further description of the specific embodiments of the present invention.Following embodiment is only used for more Technical solution of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axis To ", " radial direction ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description technical solution of the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important Property.In the description of the present invention, it should be noted that unless otherwise specific regulation or limit, term " connected ", " connection " are answered It broadly understood, for example, it may be being fixedly connected, may be a detachable connection or integral type connects;It can be mechanical connect It connects, is also possible to be electrically connected;It can be directly connected, be also possible to indirectly connected through an intermediary.For the general of this field For logical technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.It is retouched in of the invention In stating, unless otherwise indicated, the meaning of " plurality " is two or more, and this will not be detailed here.
In order to understand and illustrate, a kind of electric heating Nitinol crystalline lens that an embodiment of the present invention will be described in detail below cuts capsule Device.
As shown in Figure 1-Figure 3, a kind of electric heating Nitinol crystalline lens cutting cystoma device, comprising: handle 1 presses handle 2, implantation set Pipe 3, connector 4 and section capsule ring 5, the handle 1 is made of tube wall 1a and the battery 1b being mounted on inside the tube wall 1a, described Battery 1b is electrically connected by built-in circuit 1d with the chimeric external electrode 1c for being mounted on the surface the tube wall 1a, the connector 4 Side wall be arranged it is parallel with the connector 4 described in press handle 2, the lower end of the handle 1 is connect with the connector 4, institute It states handle 1 and presses the opposite surface of handle 2 and be fitted into 1 4b of external electrode 1c and electrode, the external electrode 1c and electrode 1 respectively 4b electrical contact connection, i.e., circuit communication after the described external electrode 1c is in contact with 1 4b of electrode;
The handle 1 presses handle 2 and the equal inner hollow of connector 4, and sliding rail, the implantation is arranged in 4 side wall of connector Casing 3 is slidably mounted on the outside of the connector 4, the one circle screw thread of side surface setting of 4 end of connector, when the plant When entering casing 3 and sliding into the end of the connector 4, the outer horizontal by the implantation casing 3 in the connector 4 rotates 90 Degree prevents the implantation casing 3 from moving again, guarantees not falling off after a section capsule ring is smoothly released.3 side wall of the implantation casing setting Horizontal mobile control-rod 3a, changes the implantation casing 3 outside the connector 4 by stirring the mobile control-rod 3a The position in portion, the implantation casing 3 guarantee operational stability, prevent simultaneously in the steady progress relative motion in 4 outside of connector It only cuts the damage of capsule ring and injures eyeball inner tissue.The connector 4 is respectively provided with implantation casing 3 away from the end of the handle 1 Through-hole, described section of capsule ring 5 be not closed, Foldable with 1 side wall of handle be in angle endless metal circle, described section The place of closure is not separately connected two electric wires 4c, two electric wire 4c and sequentially passes through the implantation casing 3 and connector 4 capsule ring 5 Through-hole, end electric wire 4c installation 2 4a of electrode, 2 4a of electrode and the battery 1b electrical contact connects, another It presses described in a electric wire 4c entrance and is electrically connected in handle 2 with 1 4b of electrode.
Card interface 6 is arranged away from the end for cutting capsule ring 5 in the connector 4, and one end of the handle 1 is connected to described In card interface 6, screw thread, the handle 1 that is spirally connected that can be consolidated are set in the card interface 6.The implantation casing 3 and connector 4 material is PMMA, which is easily obtained, safe and environment-friendly, energy saving and light.Described section of capsule ring 5 use diameter for 0.03mm nitinol alloy wire, described section of capsule ring 5 are the non-closed ring that diameter is 6mm, described section of capsule ring 5 and 1 side wall of handle In 120 ° of angles.The built-in circuit 1d includes spring leaf and electric wire, and the battery 1b passes sequentially through the spring leaf and electric wire It is electrically connected with the chimeric external electrode 1c for being mounted on the surface the tube wall 1a.The battery 1b is LR41 button cell.
It can be by external electrode 1c, electric wire, spring leaf, battery 1b, 2 4a of electrode, electric wire 4c, section capsule ring 5, electric wire 4c, electrode The closed circuit that 1 4b is formed, wherein route is connected to after the external electrode 1c is contacted with 1 4b of electrode.
Working principle: under stationary state, press handle with handle is relatively parallel separates.When pressing handle, electrode 1 with it is external Electrode is connected, and forms closed circuit;Pressure is removed, handle recovery is pressed, restores, circuitry cuts relatively parallel with handle.
When in use, casing is entered into anterior chamber through corneal incision, then capsule ring will be cut by releasing forward in implantation casing, entered Anterior chamber is fitted in anterior lens capsule film surface after restoring annular, is connected internal battery by pressing connector side shoot and is formed Closed circuit heats nitinol alloy wire, burns anterior lens capsule, realizes and cuts capsule.
In operation, after being implanted into anterior chamber of the casing 3 into operation eye, mobile control-rod 3a is pulled back, makes to be implanted into casing 3 It moves up, cuts capsule ring 5 and expose, and be voluntarily unfolded.Capsule ring 5 will be cut to be attached at after anterior lens capsule, handle 2 is pressed, make hand The external electrode 1c and 1 4b of electrode of handle are in contact, to sequentially form external electrode 1c, electric wire, spring leaf, battery 1b, electrode 2 4a, electric wire 4c, the closed circuit for cutting capsule ring 5, electric wire 4c, 1 4b of electrode, battery 1b electric discharge, a section capsule ring 5, which is heated, burns crystalline substance Capsule before shape body is completed to cut capsule.After, implantation casing 3 is moved forward, the storage of capsule ring 5 will be cut again and be folded in implantation casing 3, The anterior chamber of operation eye is exited together.
Embodiment described above is merely preferred embodiments of the present invention, and the scope of protection of the present invention is not limited to this, Anyone skilled in the art within the technical scope of the present disclosure, the technical solution that can be become apparent to Simple change or equivalence replacement, all belong to the scope of protection of the present invention.

Claims (7)

1. a kind of electric heating Nitinol crystalline lens cutting cystoma device, comprising: handle (1) presses handle (2), implantation casing (3), connector (4) and capsule ring (5) are cut, the handle (1) is made of tube wall (1a) and the battery (1b) being mounted on inside the tube wall (1a), institute It states battery (1b) and is electrically connected by built-in circuit (1d) with the chimeric external electrode (1c) for being mounted on the surface the tube wall (1a), institute State connector (4) side wall be arranged it is parallel with the connector (4) described in press handle (2), the lower end of the handle (1) and institute It states connector (4) connection, the handle (1) and presses the opposite surface of handle (2) chimeric external electrode (1c) and electrode 1 respectively (4b), the external electrode (1c) and electrode 1 (4b) electrical contact connection;
The handle (1) presses handle (2) and connector (4) equal inner hollow, and sliding rail is arranged in connector (4) side wall, described Implantation casing (3) is slidably mounted on the outside of the connector (4), and the connector (4) and implantation casing (3) deviate from the hand The end of handle (1) is respectively provided with through-hole, described section of capsule ring (5) be not closed, Foldable with the handle (1) side wall in folder The endless metal circle at angle, the place of closure is not separately connected two electric wires (4c) to described section of capsule ring (5), and two electric wires (4c) are successively Through-hole across implantation casing (3) and connector (4), the electric wire end (4c) installation electrode 2 (4a), the electricity Pole 2 (4a) and the battery (1b) electrical contact connect, another described electric wire (4c) enter described in press in handle (2) with the electricity Pole 1 (4b) electrical connection.
2. a kind of electric heating Nitinol crystalline lens cutting cystoma device according to claim 1, which is characterized in that the implantation casing (3) the horizontal mobile control-rod (3a) of side wall setting.
3. a kind of electric heating Nitinol crystalline lens cutting cystoma device according to claim 1, which is characterized in that the connector (4) card interface (6) are set away from the end for cutting capsule ring (5), one end of the handle (1) is connected to the card interface (6) It is interior.
4. a kind of electric heating Nitinol crystalline lens cutting cystoma device according to claim 1, which is characterized in that the implantation casing (3) and the material of connector (4) is PMMA.
5. a kind of electric heating Nitinol crystalline lens cutting cystoma device according to claim 1, which is characterized in that described section of capsule ring (5) use diameter for 0.03mm nitinol alloy wire, described section of capsule ring (5) is the non-closed ring that diameter is 6mm, described section of capsule ring It (5) is in 120 ° of angles with the handle (1) side wall.
6. a kind of electric heating Nitinol crystalline lens cutting cystoma device according to claim 1, which is characterized in that the built-in circuit (1d) includes spring leaf and electric wire, and the battery (1b) passes sequentially through the spring leaf and electric wire and is mounted on the tube wall with chimeric The external electrode (1c) on the surface (1a) is electrically connected.
7. a kind of electric heating Nitinol crystalline lens cutting cystoma device according to claim 1, which is characterized in that the battery (1b) For LR41 button cell.
CN201910723044.XA 2019-08-06 2019-08-06 A kind of electric heating Nitinol crystalline lens cutting cystoma device Pending CN110327155A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910723044.XA CN110327155A (en) 2019-08-06 2019-08-06 A kind of electric heating Nitinol crystalline lens cutting cystoma device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910723044.XA CN110327155A (en) 2019-08-06 2019-08-06 A kind of electric heating Nitinol crystalline lens cutting cystoma device

Publications (1)

Publication Number Publication Date
CN110327155A true CN110327155A (en) 2019-10-15

Family

ID=68146901

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910723044.XA Pending CN110327155A (en) 2019-08-06 2019-08-06 A kind of electric heating Nitinol crystalline lens cutting cystoma device

Country Status (1)

Country Link
CN (1) CN110327155A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114288085A (en) * 2021-12-31 2022-04-08 南昌华安众辉健康科技有限公司 Ophthalmic capsulorhexis device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060100617A1 (en) * 2004-11-09 2006-05-11 Alcon, Inc. Capsularhexis device
CN102271633A (en) * 2009-01-12 2011-12-07 爱尔康研究有限公司 Capsularhexis device with retractable bipolar electrodes
CN205849640U (en) * 2016-06-14 2017-01-04 陈康 Cataract cutting cystoma device
CN107582238A (en) * 2016-07-07 2018-01-16 郑科 ZK annular electro cutting cystoma devices
CN208481574U (en) * 2018-01-05 2019-02-12 邵光辉 A kind of cataract cutting cystoma device
CN109330767A (en) * 2018-09-18 2019-02-15 姜良玉 It is a kind of to treat the intelligent cutting cystoma device of cataract
CN211244042U (en) * 2019-08-06 2020-08-14 西南医科大学附属医院 Electrothermal nickel-titanium alloy lens capsulotomy device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060100617A1 (en) * 2004-11-09 2006-05-11 Alcon, Inc. Capsularhexis device
CN102271633A (en) * 2009-01-12 2011-12-07 爱尔康研究有限公司 Capsularhexis device with retractable bipolar electrodes
CN205849640U (en) * 2016-06-14 2017-01-04 陈康 Cataract cutting cystoma device
CN107582238A (en) * 2016-07-07 2018-01-16 郑科 ZK annular electro cutting cystoma devices
CN208481574U (en) * 2018-01-05 2019-02-12 邵光辉 A kind of cataract cutting cystoma device
CN109330767A (en) * 2018-09-18 2019-02-15 姜良玉 It is a kind of to treat the intelligent cutting cystoma device of cataract
CN211244042U (en) * 2019-08-06 2020-08-14 西南医科大学附属医院 Electrothermal nickel-titanium alloy lens capsulotomy device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114288085A (en) * 2021-12-31 2022-04-08 南昌华安众辉健康科技有限公司 Ophthalmic capsulorhexis device

Similar Documents

Publication Publication Date Title
CN102271633B (en) Capsularhexis device with retractable bipolar electrodes
KR101039398B1 (en) Eye lens capsule incision apparatus
EP2224881B1 (en) Ophthalmic surgical device for endothelial keratoplasty for descemet's stripping automated endothelial keratoplasty (dsaek) surgery
CN110327155A (en) A kind of electric heating Nitinol crystalline lens cutting cystoma device
KR101039394B1 (en) Eye lens capsule incision apparatus
CN201500225U (en) Device for manufacturing anterior capsule nozzles
CN109907379A (en) A kind of atomization plant and its output control method
US20180271704A1 (en) Ophthalmic surgical device for cutting a circular incision
CN105992572A (en) Capsulorhexis apparatus
CN211244042U (en) Electrothermal nickel-titanium alloy lens capsulotomy device
Masket Piggyback intraocular lens implantation
EP1795154B1 (en) Intraocular lens injecting system
CN218279950U (en) Fixed depth cornea mark trephine
CN103961212A (en) Sclera positioning marker
CN105476744A (en) Anterior vitreous body excision device
BR112020002267A2 (en) intraocular lens
CN205849640U (en) Cataract cutting cystoma device
CN107072780B (en) Intraocular lens is inserted into equipment
CN202105082U (en) Precision ophthalmic operating scissors
CN107582238A (en) ZK annular electro cutting cystoma devices
CN114288085A (en) Ophthalmic capsulorhexis device
KR20210052569A (en) Capsular bag dissection device
JP2019097759A (en) Ophthalmic surgical instrument
CN215739857U (en) Ophthalmic tweezers
CN219646044U (en) Cataract capsulorhexis auxiliary instrument

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination