CN201230928Y - Small incision and manual nucleus chopping device - Google Patents
Small incision and manual nucleus chopping device Download PDFInfo
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- CN201230928Y CN201230928Y CNU2008200266077U CN200820026607U CN201230928Y CN 201230928 Y CN201230928 Y CN 201230928Y CN U2008200266077 U CNU2008200266077 U CN U2008200266077U CN 200820026607 U CN200820026607 U CN 200820026607U CN 201230928 Y CN201230928 Y CN 201230928Y
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- nucleus
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Abstract
The utility model relates to a small-incision technic nucleus breaking device which is used for a cataract operation and comprises a nucleus pulling and cleaving device and a sac fixing device which both comprise handles and function levers. The front end of the function lever of the nucleus pulling and cleaving device is in a plane shape and is bent to form a nucleus puling hook the plane of which intersects with the axes of the function lever; one side of the function lever close to the nucleus pulling hook is provided with a nucleus cleaving edge; the front end of the function lever of the sac fixing device is provided with a sac hook which can hook a sac, the sac hook is in a flat wafer shape, the diameter of the sac hook is larger than that of the function lever, the flat wafer plane of the sac hook is horizontal with the axes of the function lever of the sac fixing device, and the edge of the sac hook adopts smooth transition. The utility model enables the nucleus to rotate easily, and avoids inconvenience of the traditional method that the nucleus are purely rotated to be delivered from the sac; for hard nucleus which is not suitable for phaco, the nucleus are cleaved by the nucleus pulling and cleaving device and then are delivered out, so the damage for the tissues in the eye due to ultra audible sound and the mechanical damage for the corneal endothelium by the whole nucleus when the nucleus are delivered out are reduced, and the occurrence of complicating diseases is decreased; the sac fixing device can fix the sac so as to ensure the integrality of the sac during the operation.
Description
Technical field
This utility model relates to technical field of medical instruments, specifically is the apparatus that a kind of cataract operation is used.
Background technology
ECCE is still one of important art formula of present China cataract operation, particularly be not suitable for doing the case of ultrasonic emulsification at vast basic hospital and some, the non-super milky white cataract extraction technology of little otch (ECCE is called for short ECCE) is still best modus operandi.To give birth to and give birth to from the anterior chamber in the capsule bag all be this operation key of success of decision to crystal nuclear in the ECCE operation.
In the ECCE art, the childbirth nuclear Syringe needle Irrigators that adopt rotate the capsule bag with nuclear more, or adopt iris repositor and crystal location hook that nuclear is rotated the capsule bag, give birth to after nuclear can not being rived when simultaneously nuclear being given birth to the anterior chamber again at present.The shortcoming of above way maximum is exactly a fixing capsule bag in the art, thereby it is damaged that the capsule bag is very easy to, just we " back capsule breaks " often said.Can not fix owing to the capsule bag simultaneously, make the crystal Suspensory ligament be easy to be broken by the strength of a direction, cause crystal nuclear or whole crystal to crash in the vitreous chamber, have no alternative and can only do operation on vitreous crystal or its nuclear " are dragged for ", this will increase the wound of operation greatly; In addition, back capsule break or the disappearance of capsule bag will make the vitreous body reach, complication is not only many simultaneously very serious, as macular edema, detachment of retina etc.In addition, for stone, particularly 4 grades with coker, and the ultrasonic emulsification energy requirement is big, and the time is long, and is big to tissue injury.
Therefore, research improves operating theater instruments and reduces important process and the task that postoperative complication is still the cataract worker.
The utility model content
In order to overcome the shortcoming that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of little otch maneuver nucleus-crushing device, and it is little to utilize it to do cataract surgical incision, and handling safety is reliable, reduces mechanical damage, can reduce post-operative complication.
In order to address the above problem, this utility model by the following technical solutions: this little otch maneuver nucleus-crushing device comprises and draws nuclear core splitting device, solid capsule device; Draw nuclear core splitting device, solid capsule device to include a handle and an action bars, action bars and each self-corresponding handle fix as one;
Draw the front end of action bars of nuclear core splitting device to be flat planar and be bent with and draw the nuclear hook, draw the plane of nuclear hook and action bars axis crossing; Side near the action bars that draws the nuclear hook is provided with the knife for nucleus cutting sword;
Gu the front end of the action bars of capsule device is provided with the capsule hook that can hook the capsule bag, this capsule hook is oblate lamellar, and the diameter of capsule hook is greater than the diameter of action bars, and the oblate plate plane of capsule hook is parallel with the axis of solid capsule device action bars, and the edge of capsule hook is a rounding off.
Draw the nuclear core splitting device to draw the nuclear hook be flat planar, in matching ring spoon when nuclear childbirth, it is big to draw nuclear hook and stone grafting to touch area, draws the strength of nuclear bigger like this, when the hardness of examining when not being very big, easier fixedly nuclear.Draw on the nuclear core splitting device action bars and be provided with the knife for nucleus cutting sword, can realize smoothly that under the cooperation of circle spoon anterior chamber's original position splits nuclear, reduced the damage of corneal endothelium when macronucleus is given birth to, also reduced operating time; Simultaneously for stone, particularly 4 grades with coker, and the knife for nucleus cutting sword can will be examined cleave in two the anterior chamber smoothly, and the nuclear that is easy to give birth to has been avoided the damage to surrounding tissue of ultrasonic and ophthalmic current; Split by original position and to make the nuclear anterior chamber that gives birth to behind the nuclear again, operation is reduced greatly to the length requirement of scleral tunnel otch.
In this art formula before the solid capsule device acrocyst hook one side of pupil can be pulled on one side, expose capsule bag edge, and at solid capsule device when a capsule bag left side slides to the right side, push down fixedly pupil edge, make nuclear smoothly childbirth go into the anterior chamber.
Gu the acrocyst hook can hook the edge of the place ahead capsule bag before the capsule device, plays fixedly capsule bag.In art as when finding that the somewhere Suspensory ligament is lax, particularly when changeing nuclear and make it to give birth to the capsule bag, it is obvious that 3 and 9 in capsule bag is located tractive, promptly utilizes fixedly capsule bag of solid capsule device, to herein undue tractive, protects the capsule bag of weakness during anti-spline nuclear.When its with the back capsule when contact because contact area is big, so be difficult for wearing out back capsule.
In addition, when changeing nuclear, Gu capsule device action bars front portion and capsule hook all are positioned at the nuclear below, can play " slide plate ", the curved design of the co-design at two places and leading portion has increased the area of whole " slide plate " simultaneously, and it is easier to make consideration convey go out the capsule bag, and commentaries on classics nuclear direction is more easy to control.
As further technical scheme of the present utility model:
In this little otch maneuver nucleus-crushing device, draw the action bars of nuclear core splitting device to bend in obtuse angle,, can make operation technique more convenient like this Gu the action bars of capsule device also bends in obtuse angle.
Technical scheme further:
In this little otch maneuver nucleus-crushing device, draw the handle outer surface of nuclear core splitting device, solid capsule device to be equipped with anti-skidding stricture of vagina.
In this little otch maneuver nucleus-crushing device, Gu the diameter of the oblate lamellar capsule hook on the capsule device is 1.5mm.
In this little otch maneuver nucleus-crushing device,, and adapt, enter eyeball and tangle the capsule bag easilier with the physiological bending of eyeball Gu the leading portion action bars of capsule device is the circular arc bending.
The beneficial effects of the utility model are: it all can use in the non-super milky white abaissement of little otch, be particularly suitable for soft nuclear and nuclear really up to the mark, cross soft nuclear with these two kinds of apparatuses, when can easily nuclear be rotated, suitable capsule bag that it is pressed from both sides out enters the anterior chamber, the inconvenience of having avoided traditional simple commentaries on classics nuclear to bring when making it to give birth to the capsule bag particularly under microcoria, has caused bigger blind area, iris rear to the patient.For being not suitable for doing super newborn stone, with drawing the nuclear core splitting device can be easy to it is rived, give birth to smoothly, reduced ultrasonic destruction to eye inner tissue, also can reduce the whole mechanical damage of checking corneal endothelium when childbirth was examined in the past, thereby reduce the generation of complication; And simple in structure, operate also very convenient.Consolidate fixedly capsule bag of capsule device in the operation process, thereby guaranteed the integrity of capsule bag in the operation.
Description of drawings
Below in conjunction with drawings and Examples this utility model is further specified.
Fig. 1 is the front view that draws the nuclear device in this utility model,
Fig. 2 is the vertical view of Fig. 1,
Fig. 3 is the I place structure for amplifying sketch map of Fig. 2,
Fig. 4 is the front view of solid capsule device in this utility model,
Fig. 5 is the vertical view of Fig. 4,
Among the figure: 1 draws the nuclear core splitting device, 11 handles, and 12 action bars, 13 draw the nuclear hook, 14 knife for nucleus cutting swords, 2 solid capsule devices, 21 handles, 22 action bars, 23 capsule hooks, 24 arc-shaped bends.
The specific embodiment
This little otch maneuver nucleus-crushing device comprises and draws nuclear core splitting device 1, solid capsule device 2.
As shown in Figure 1, 2, 3, draw nuclear core splitting device 1 to comprise handle 11 and action bars 12, action bars 12 fixes as one with handle 11.The front end of action bars 12 be flat planar and be bent with draw nuclear hook 13, draw nuclear hook 13 plane and action bars 12 axes intersect.Draw the action bars 12 of nuclear core splitting device to bend in obtuse angle.Can make operation technique more convenient like this.Side near the action bars that draws nuclear hook 13 is provided with knife for nucleus cutting sword 14.
Shown in Fig. 4,5, Gu the capsule device also comprises handle 21 and action bars 22, action bars 22 fixes as one with handle 21.The front end of action bars 22 is provided with the capsule hook 23 that can hook the capsule bag, and this capsule hook 23 is oblate lamellar, and the diameter of capsule hook 23 is greater than the diameter of action bars 22, and the oblate plate plane of capsule hook 23 is parallel with the axis of action bars 22, and the edge of capsule hook 23 is a rounding off.Be handled easily, Gu the action bars 22 of capsule device also bends in obtuse angle.
Operation method: art preceding half an hour of fully diffusing big pupil.Normal developing, sterilization, shop aseptic towel were anaesthetized back oppression eyeball at intermittence ball week 10～15 minutes.Eyelid left by eye speculum, superior rectus traction and fixation suture.On the right eye temporo, left eye nose upper edge limbus of corneae cuts off bulbar conjunctiva, doing with the arched roof is the conjunctival flap of substrate, generally by a position, 11 position～1.The anti-camber otch of top sclera is done at the 2mm place behind the limbus of corneae, is about 5～6mm, reaches 1/2 scleral thickness deeply, and perching knife flaggy forward is separated to 1mm in the limbus of corneae, is tunnel-like.Locate puncture 3 of corneoscleral junctions and at 9, thrust the anterior chamber with the parallel iris face of 3.2mm stab knife, in the anterior chamber, inject viscoelastic agent by puncture orifice by lower end, corneal lamellar tunnel.Carry out curvilinear capsulorhexis or the discission needle envelope type cuts capsule with Tweezers for eye surgery.Looper head separated form water, water stratification.
Left hand is held solid capsule device 2, the right hand is held and is drawn nuclear core splitting device 1, enter the anterior chamber simultaneously from the top puncture orifice, at the right eye nasal side, capsule edge before left eye temporo side is remaining is Gu the root of acrocyst hook 23 hooks the cyst membrane edge before the capsule device, with fixing left side capsule bag, draw nuclear core splitting device front end to draw nuclear hook 13 to insert crystal nuclears, about separate simultaneously.At this moment, crystal nuclear right eye nasal side, left eye temporo lateral edges has been deviate from the crystal capsule.At this moment, Gu the right eye temporo side of turning right and slide into the capsule bag in the remaining capsule bag of capsule device 2 front end edges edge, the left eye nasal side draws 1 cooperation of nuclear core splitting device to hook the nuclear upper section nuclear is turned clockwise to the left, and at this moment, nuclear is all deviate from the capsule bag, enters the anterior chamber.An amount of viscoelastic agent reinjects between anterior chamber and stone and back cyst membrane.Left hand is held the circle spoon and is entered the crystal nuclear below along tunnel incision, draw nuclear core splitting device 1 to the crystal nuclear top, use knife for nucleus cutting sword 14 and will examine cleave in two (anterior chamber's original position fragmentation nucleus) by (the circle spoon is tilted upward gently) downwards, the light crush-cutting mouth posterior lip of circle spoon, tunnel incision is opened, will be drawn nuclear hook 13 to insert wherein half nuclear central authorities then, cooperate the circle spoon of below to pull outward along tunnel incision, nucleus lentis clipped from the tunnel as " sandwich " pull out, same maneuver second half nuclear of giving birth to.Wash residual cortex and soft nuclear, through and 9 corneoscleral junction puncture orifice places notes suction peripheral cortical at 3.Re-inject viscoelastic agent in anterior chamber and the capsule bag, circumgyration implantable artificial crystalline lens draws nuclear hook 13 also can replace intraocular lens's location hook to use this moment, adjusts crystalline lens to horizontal normotopia in the rotation of intraocular lens's periphery non-optical zones.Infusion liquid displacement anterior chamber's viscoelastic agent, the puncture orifice watertight, the involutory conjunctiva wound that burns, the art eye is coated with the antibiotic eye ointment, simple eye wrapping.
Draw the nuclear hook 13 that draws of nuclear core splitting device front end to be flat planar rather than needle point, when matching ring spoon childbirth nuclear, it is big that front end and stone grafting touch area, draws the strength of nuclear bigger like this, when the hardness of examining when not being very big, and easier fixedly nuclear.
Draw the knife for nucleus cutting sword 14 that is provided with on the nuclear core splitting device action bars, can realize smoothly that under the cooperation of circle spoon anterior chamber's original position splits nuclear, reduced the damage of corneal endothelium when macronucleus is given birth to, also reduced operating time.
Simultaneously for stone, particularly 4 grades with coker, and the ultrasonic emulsification energy requirement is big, time is long, and is big to tissue injury, uses this modus operandi, can will examine cleave in two the anterior chamber smoothly, the nuclear that is easy to give birth to has been avoided the damage to surrounding tissue of ultrasonic and ophthalmic current.Split by original position and to make the nuclear anterior chamber that gives birth to behind the nuclear again, operation is reduced greatly to the length requirement of scleral tunnel otch, the non-ultrasonic cataract operation of general little otch requires incision length〉5.5mm, and this art formula only requires the otch about 3.2mm, also is more than sufficient even require to implant folding artificial intraocular lenses; In a word, draw that the nuclear application of core splitting device 1 in this art formula makes that operation has reached that ultrasonic emulsification technology otch is little, operating time is short, postoperative astigmatic little, recover fast purpose, avoided the shortcoming of ultrasonic emulsification technology simultaneously again to the surrounding tissue damage.
Gu acrocyst hook 23 can hook the edge of the place ahead capsule bag before the capsule device, plays fixedly capsule bag.If in art when finding that the somewhere Suspensory ligament is lax, particularly when changeing nuclear and make it to give birth to the capsule bag, it is obvious that 3 and 9 in capsule bag is located tractive, and promptly available solid capsule device 2 is the capsule bag fixedly, to herein undue tractive, protects the capsule bag of weakness during anti-spline nuclear.
When changeing nuclear, Gu capsule device leading portion action bars and capsule hook locate all to be positioned at the nuclear below for 23 liang, can play " slide plate ", simultaneously curved design has increased the area of whole " slide plate " between the co-design at two places and action bars 22 and the capsule hook 23, it is easier to make consideration convey go out the capsule bag, and commentaries on classics nuclear direction is more easy to control.
Gu capsule device leading portion action bars is convexly curved 24, the easier capsule bag that tangles is with the physiological bending of the eyeball easier discrepancy eyeball can make it to come in and go out the anterior chamber time that adapts; With the episcleral anti-eyebrow otch that solid capsule device adapts, the influence of corneal is less, and post-operative cornea astigmatism and tissue displacement are also less.
Gu capsule device capsule hook 23 foremost is oblate lamellar, diameter 1.5mm, main effect is fixing capsule bag, when it contacts with the back capsule owing to contact area is big, so capsule after being difficult for wearing out.
During operation, draw the easier nuclear capsule bag of giving birth to that makes of nuclear core splitting device 1, the cooperation of solid capsule device 2 both hands to enter the anterior chamber, the inconvenience of having avoided traditional simple commentaries on classics nuclear to bring when making it to give birth to the capsule bag.Particularly under microcoria, cause bigger blind area, iris rear to the patient, and solid capsule device 2 can pull to one side of pupil on one side in this art formula, expose capsule bag edge, and at solid capsule device 2 when a capsule bag left side slides to the right side, push down fixedly pupil edge, make nuclear give birth to the anterior chamber smoothly, traditional single apparatus childbirth nuclear is difficult to accomplish.
Claims (5)
1, little otch maneuver nucleus-crushing device is characterized in that: comprise and draw nuclear core splitting device, solid capsule device; Draw nuclear core splitting device, solid capsule device to include a handle and an action bars, action bars and each self-corresponding handle fix as one;
Draw the front end of action bars of nuclear core splitting device to be flat planar and be bent with and draw the nuclear hook, draw the plane of nuclear hook and action bars axis crossing; Side near the action bars that draws the nuclear hook is provided with the knife for nucleus cutting sword;
Gu the front end of the action bars of capsule device is provided with the capsule hook that can hook the capsule bag, this capsule hook is oblate lamellar, and the diameter of capsule hook is greater than the diameter of action bars, and the oblate plate plane of capsule hook is parallel with the axis of solid capsule device action bars, and the edge of capsule hook is a rounding off.
2, little otch maneuver nucleus-crushing device according to claim 1 is characterized in that: draw the action bars of nuclear core splitting device to bend in obtuse angle, Gu the action bars of capsule device also bends in obtuse angle.
3, little otch maneuver nucleus-crushing device according to claim 1 and 2 is characterized in that: the described handle outer surface of nuclear core splitting device, solid capsule device that draws is equipped with anti-skidding stricture of vagina.
4, little otch maneuver nucleus-crushing device according to claim 1 is characterized in that: Gu the diameter of the oblate lamellar capsule hook on the capsule device is 1.5mm.
5, little otch maneuver nucleus-crushing device according to claim 2 is characterized in that: Gu the leading portion action bars of capsule device is the circular arc bending, and adapt with the physiological bending of eyeball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200266077U CN201230928Y (en) | 2008-07-30 | 2008-07-30 | Small incision and manual nucleus chopping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200266077U CN201230928Y (en) | 2008-07-30 | 2008-07-30 | Small incision and manual nucleus chopping device |
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| Publication Number | Publication Date |
|---|---|
| CN201230928Y true CN201230928Y (en) | 2009-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200266077U Expired - Fee Related CN201230928Y (en) | 2008-07-30 | 2008-07-30 | Small incision and manual nucleus chopping device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784031A (en) * | 2012-09-03 | 2012-11-21 | 孙立旺 | Phacoemulsifmation nucleus chopping hook |
| CN103919642A (en) * | 2014-03-14 | 2014-07-16 | 中国人民解放军第三军医大学第一附属医院 | Posterior sclera injection system |
| CN104055622A (en) * | 2014-07-02 | 2014-09-24 | 以诺康医疗科技（苏州）有限公司 | Ultrasonic capsulorhexis needle, ultrasonic operation tool and using method |
| CN104873324A (en) * | 2015-06-09 | 2015-09-02 | 首都医科大学附属北京同仁医院 | Reverse chopping hook for cataract surgery |
| CN107625578A (en) * | 2017-09-25 | 2018-01-26 | 徐雯 | A kind of Multifunctional cataract surgical assistor |
| CN109820641A (en) * | 2019-01-21 | 2019-05-31 | 江苏康视佳医疗器械有限公司 | A kind of corneal epithelium lifts valve device |
-
2008
- 2008-07-30 CN CNU2008200266077U patent/CN201230928Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784031A (en) * | 2012-09-03 | 2012-11-21 | 孙立旺 | Phacoemulsifmation nucleus chopping hook |
| CN103919642A (en) * | 2014-03-14 | 2014-07-16 | 中国人民解放军第三军医大学第一附属医院 | Posterior sclera injection system |
| CN104055622A (en) * | 2014-07-02 | 2014-09-24 | 以诺康医疗科技（苏州）有限公司 | Ultrasonic capsulorhexis needle, ultrasonic operation tool and using method |
| CN104055622B (en) * | 2014-07-02 | 2016-03-23 | 以诺康医疗科技（苏州）有限公司 | Ultrasonic capsulorhexis pin, supersonic operation instrument and using method |
| CN104873324A (en) * | 2015-06-09 | 2015-09-02 | 首都医科大学附属北京同仁医院 | Reverse chopping hook for cataract surgery |
| WO2016198028A1 (en) * | 2015-06-09 | 2016-12-15 | 首都医科大学附属北京同仁医院 | Reverse-type nucleus chopping hook for cataract surgery |
| CN107625578A (en) * | 2017-09-25 | 2018-01-26 | 徐雯 | A kind of Multifunctional cataract surgical assistor |
| CN109820641A (en) * | 2019-01-21 | 2019-05-31 | 江苏康视佳医疗器械有限公司 | A kind of corneal epithelium lifts valve device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090506 Termination date: 20090831 |