CN104873324A - Reverse chopping hook for cataract surgery - Google Patents
Reverse chopping hook for cataract surgery Download PDFInfo
- Publication number
- CN104873324A CN104873324A CN201510314207.0A CN201510314207A CN104873324A CN 104873324 A CN104873324 A CN 104873324A CN 201510314207 A CN201510314207 A CN 201510314207A CN 104873324 A CN104873324 A CN 104873324A
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- China
- Prior art keywords
- hook
- coupler body
- arc
- arc shaped
- shaped hook
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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
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- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The invention provides a reverse chopping hook for a cataract surgery. The reverse chopping hook for the cataract surgery is made of a titanium alloy material and comprises a hook handle and a hook body, wherein the hook body is integrally connected with the hook handle; a plurality of longitudinal anti-sliding ridges are distributed on the surface of the hook handle along the axial direction; the rear section of the hook body extends along the axial direction of the hook handle; the whole front section of the hook body is bent upwards; an end of the front end of the hook body is bent downwards and an arc-shaped hook is formed by inward bending; the curvature of the arc-shaped hook is progressively increased along with extension of the arc-shaped hook; two ends of the arc-shaped hook have finely rounded structures; the straight-line distance between two ends of the arc-shaped hook is 2.2-2.6mm; and a blade is arranged on the inner side of an arc-shaped elbow of the arc-shaped hook. The reverse chopping hook for the cataract surgery is reasonable in structure and safe and convenient to operate, grabs a nucleus firmly, chops the nucleus thoroughly, and has high chopping efficiency. The titanium alloy material has the advantages of high strength, high corrosion resistance, high heat resistance and the like; the chopping hook can be reused after being sterilized thoroughly; and reasonable allocation of resources is guaranteed.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to the trans core splitting hook of a kind of cataract operation.
Background technology
Cataract refers to that intraocular crystalline lens muddiness occurs, becomes opaque by transparent, hinders light to enter ophthalmic, thus affects one's power of vision, and not affecting one's power of vision, then increasing the weight of to obviously affecting one's power of vision even blind gradually when early stage muddiness being slight or scope is less.At present along with the development of society, aged tendency of population is day by day serious, the morbidity of senile cataract is also increasing, the visual deterioration that cataract causes cannot be corrected by wearing glasses, Drug therapy is also difficult to obtain effective therapeutic effect, only has and is only the unique effective method of solution cataract by operation.Now the most frequently used modus operandi is cataract surgery, this operation technique gets up very simple, operation Shi doctor can hold the minimal incision * of 2 to 3 millimeter on cornea, the crystalline lens of muddiness is pulverized and absorbs by the equipment then going deep into nib size, be fixed by this otch implantable artificial crystal, whole operation process only needs tens minutes again.Cataract surgery has that wound is little, wound healing is fast, after-operation response is light and the advantage such as vision restoration is fast.
Core splitting hook is one of most important utensil in cataract surgery, the whether reasonable success or failure that even directly can determine to perform the operation of core splitting hook design.Application number is disclose a kind of excusing from death emulsifying core splitting hook in the patent application document of CN102784031A, comprise the neck of hook and gib head, wherein gib head is arc structure, is blade inside the arc-shaped bend of arc shaped hook, arc shaped hook is semicircular arc, the cross section of arc shaped hook is triangular in shape, and triangle base is curved, and this core splitting hook is easy to operate, be convenient to grasp, more be applicable to medical neophyty operation, ensure that surgical quality, avoid increasing patient's sufferings.
Usually there is following defect in core splitting hook of the prior art:
(1) with needs, core splitting hook is stretched to equator of lens from curvilinear capsulorhexis mouth edge during operation, gib head due to core splitting hook in prior art is semicircular structure, during operation, gib head is not easy to stretch into, and causes the prolongation of operating time, increases the misery of patient;
(2) the capsulorhexis mouth required in operation process is comparatively large, operating difficulties in microcoria situation;
(3) because certain operations is carried out under non-direct vision, for the doctor that surgical experience is few, the drawback of intraoperative compliaction can often be there is.
Therefore, how inventing a kind of cataract operation core splitting hook easy to operate, rational in infrastructure is that those skilled in the art have technical barrier to be solved.
Summary of the invention
The invention provides the trans core splitting hook of a kind of cataract operation, rational in infrastructure, easy-to-operate, reduces the probability that intraoperative compliaction occurs, has simultaneously and split the advantages such as core efficiency is high, reusable, the scope of application is wide.
For solving the problems of the technologies described above, the present invention includes following technical scheme:
The trans core splitting hook of a kind of cataract operation, comprise the neck of hook and connect as one the coupler body of structure with the described neck of hook, the back segment of described coupler body extends along the axis of the neck of hook, the leading portion entirety of coupler body upwards bends, the end of coupler body leading portion bends downwards and forms arc shaped hook by inflection, the curvature of described arc shaped hook increases progressively along with the extension of arc shaped hook, is provided with blade inside the arc-shaped bend of arc shaped hook.
The trans core splitting hook of cataract operation of the present invention, rational in infrastructure, easy-to-operate, arc shaped hook from top to bottom curvature increases progressively, be conducive to the ambitus that incarceration accurately lives patient's nucleus lentis, grab core more firmly, whole arc shaped hook is more elongated, the blade being conducive to core splitting hook fully inserts in crystalline lens, splits core more thorough.
For convenience of neophyty operation, improve and split core efficiency, preferably, the end of described coupler body leading portion bends 40 ° ~ 60 ° downwards and forms arc shaped hook by inflection.
Further, the leading portion of described coupler body and the back segment of described coupler body are the angle of 110 ° ~ 130 °.Because the neck of hook and coupler body have certain angle, during operation technique, the neck of hook can not block the visual field of operator, and go back convenient operation person exerts a force to core splitting hook simultaneously.
Further, the leading portion of described coupler body and the bending place of back segment are in the midpoint of coupler body, and transition is carried out by arc in described bending place.Arc-shaped transition causes damage in order to prevent core splitting hook to other No operation positions.
Further, described coupler body is successively decreased to bending place diameter by back segment root, and coupler body is remained unchanged to leading portion end diameter by described bending place.The leading portion entirety of coupler body is in truncated cone-shaped, and the axis along the neck of hook extends and diameter successively decreases, and the back segment diameter of coupler body is identical with the minimum diameter of coupler body leading portion.The diameter at the force place of core splitting hook is beneficial to more greatly raising intensity, the less precision being beneficial to raising operation of the diameter splitting core place.
Further, the two ends of described arc shaped hook are blunt round structure.The setting of the blunt round structure in two ends of arc shaped hook effectively reduces the risk of patient's posterior capsule rupture in operation process.
Further, the air line distance at the two ends of described arc shaped hook is 2.2 ~ 2.6mm.Arc shaped hook moderate length when the air line distance at the two ends of arc shaped hook is 2.2 ~ 2.6mm, and then blade also has suitable length, has and better splits core effect, also facilitates during operation simultaneously and arc shaped hook is stretched to equator of lens from curvilinear capsulorhexis mouth edge.
Exert a force to core splitting hook for ease of operator, preferably, the line at the two ends of described arc shaped hook and the back segment of coupler body are the angle of 90 ° ~ 110 °.
Beneficial effect of the present invention is as follows:
The trans core splitting hook of cataract operation of the present invention, rational in infrastructure, easy-to-operate; Arc shaped hook from top to bottom curvature increases progressively, and is conducive to the ambitus that incarceration accurately lives patient's nucleus lentis, and it is more firm to grab core, whole arc shaped hook is more elongated, the blade being conducive to core splitting hook fully inserts in crystalline lens, splits core more thorough, also improves and splits core efficiency; Have suitable angle between the neck of hook and coupler body, during operation technique, the neck of hook can not block the visual field of operator, and go back convenient operation person exerts a force to core splitting hook simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of cataract operation of the present invention with trans core splitting hook.
Fig. 2 is the partial enlarged drawing at the coupler body place of the trans core splitting hook of cataract operation of the present invention.
Detailed description of the invention
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of the present embodiment cataract operation with trans core splitting hook.This core splitting hook comprises the neck of hook 1 and coupler body 2, and the neck of hook 1 and coupler body 2 connect as one structure.
Wherein, the surface of the neck of hook 1 is distributed with some roads longitudinally anti-skidding rib 11 vertically, and being provided with of anti-skidding rib 11 is beneficial to anti-skidding, and when avoiding operation technique, core splitting hook landing from hands, improves the safety of operation technique.
As shown in Figure 2, the back segment of coupler body 2 extends along the axis of the neck of hook 1, and it is that (namely angle a), the size of angle a more preferably 120 ° for the angle of 110 ° ~ 130 ° that the leading portion of coupler body 2 upwards bends with the back segment of coupler body 2.Because the neck of hook 1 and coupler body 2 have certain angle, during operation technique, the neck of hook 1 can not block the visual field of operator, and go back convenient operation person exerts a force to core splitting hook simultaneously.
The bending place of coupler body 2 leading portion and coupler body 2 back segment is in the midpoint of coupler body 2, and transition is carried out by arc in this bending place.Rational bending place arranges and facilitates operation technique, and transition is carried out by arc in the bending place between the leading portion of coupler body 2 and back segment, can prevent core splitting hook from causing damage to other No operation positions.
Coupler body 2 is successively decreased to bending place diameter by back segment root, basic in truncated cone-shaped, coupler body 2 is remained unchanged to leading portion end diameter by bending place, the end of coupler body 2 bends 40 ° ~ 60 ° (i.e. angle b) downwards and forms arc shaped hook 21 by inflection, the size of angle b more preferably 50 °, be provided with blade 211 inside the arc-shaped bend of arc shaped hook 21, the back side of arc shaped hook 21 is designed to blunt rounded.
Particularly, coupler body 2 and the junction of the neck of hook 1 are the force place of core splitting hook, and diameter is herein conducive to more greatly the intensity improving core splitting hook, front portion, coupler body 2 bending place split the less precision being beneficial to raising operation of core place diameter.Arc shaped hook 21 from top to bottom curvature increases progressively, and is conducive to the ambitus that incarceration accurately lives patient's nucleus lentis, and grab core more firmly, whole arc shaped hook 21 is more elongated, and the blade 211 being conducive to core splitting hook fully inserts in crystalline lens, splits core more thorough.In addition, the back side of arc shaped hook 21 is designed to blunt rounded, even if core splitting hook contacts with Lens capsular, because impetus is cross section, but not a point (common core splitting hook), reduce pressure, relatively safer to Lens capsular.
The two ends of arc shaped hook 21 are blunt round structure, and the setting of blunt round structure effectively reduces the risk of patient's posterior capsule rupture in operation process.The air line distance at the two ends of arc shaped hook 21 is 2.2 ~ 2.6mm, more preferably 2.4mm.Arc shaped hook 21 moderate length when the air line distance at the two ends of arc shaped hook 21 is 2.4mm, and then blade 211 also has suitable length, have and better split core effect, also facilitate during operation simultaneously and arc shaped hook 21 is stretched to equator of lens from curvilinear capsulorhexis mouth edge.
The line at the two ends of arc shaped hook 21 and the back segment of coupler body 2 are the angle (i.e. angle c) of 90 ° ~ 110 °, and the size of angle c more preferably 100 °, rational angle is conducive to operator and exerts a force to core splitting hook.
This trans core splitting hook is made up of titanium alloy material.Intensity is high, corrosion resistance good, thermostability advantages of higher because having for titanium alloy, fully and completely can sterilize before operation to core splitting hook, core splitting hook can be reused, ensure that the reasonable disposition of resource.
In sum, the trans core splitting hook of cataract operation of the present embodiment, rational in infrastructure, easy-to-operate; Arc shaped hook from top to bottom curvature increases progressively, and is conducive to the ambitus that incarceration accurately lives patient's nucleus lentis, and it is more firm to grab core, whole arc shaped hook is more elongated, the blade being conducive to core splitting hook fully inserts in crystalline lens, splits core more thorough, also improves and splits core efficiency; Have suitable angle between the neck of hook and coupler body, during operation technique, the neck of hook can not block the visual field of operator, and go back convenient operation person exerts a force to core splitting hook simultaneously; Titanium alloy material has that intensity is high, corrosion resistance good, thermostability advantages of higher, core splitting hook can reused after thorough disinfection, ensure that the reasonable disposition of resource.
The above embodiment is only that the preferred embodiment of the present invention is described; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determine.
Claims (8)
1. the trans core splitting hook of cataract operation, comprise the neck of hook (1) and connect as one the coupler body (2) of structure with the described neck of hook (1), it is characterized in that, the back segment of described coupler body (2) extends along the axis of the neck of hook (1), the leading portion entirety of coupler body (2) upwards bends, the end of coupler body (2) leading portion bends downwards and forms arc shaped hook (21) by inflection, the curvature of described arc shaped hook (21) increases progressively along with the extension of arc shaped hook (21), is provided with blade (211) inside the arc-shaped bend of arc shaped hook (21).
2. the trans core splitting hook of cataract operation as claimed in claim 1, it is characterized in that, the end of described coupler body (2) leading portion bends 40 ° ~ 60 ° downwards and forms arc shaped hook (21) by inflection.
3. the trans core splitting hook of cataract operation as claimed in claim 1, it is characterized in that, the leading portion of described coupler body (2) and the back segment of described coupler body (2) are the angle of 110 ° ~ 130 °.
4. the trans core splitting hook of cataract operation as claimed in claim 1, it is characterized in that, the leading portion of described coupler body (2) and the midpoint of bending place in coupler body (2) of back segment, transition is carried out by arc in described bending place.
5. the trans core splitting hook of cataract operation as claimed in claim 3, it is characterized in that, described coupler body (2) is successively decreased to bending place diameter by back segment root, and coupler body (2) is remained unchanged to leading portion end diameter by described bending place.
6. the trans core splitting hook of cataract operation as claimed in claim 4, it is characterized in that, the two ends of described arc shaped hook (21) are blunt round structure.
7. the trans core splitting hook of cataract operation as claimed in claim 5, it is characterized in that, the air line distance at the two ends of described arc shaped hook (21) is 2.2 ~ 2.6mm.
8. the trans core splitting hook of cataract operation as claimed in claim 5, it is characterized in that, the line at the two ends of described arc shaped hook (21) and the leading portion of described coupler body (2) are the angle of 90 ° ~ 110 °.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510314207.0A CN104873324A (en) | 2015-06-09 | 2015-06-09 | Reverse chopping hook for cataract surgery |
| PCT/CN2016/094425 WO2016198028A1 (en) | 2015-06-09 | 2016-08-10 | Reverse-type nucleus chopping hook for cataract surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510314207.0A CN104873324A (en) | 2015-06-09 | 2015-06-09 | Reverse chopping hook for cataract surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104873324A true CN104873324A (en) | 2015-09-02 |
Family
ID=53941189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510314207.0A Pending CN104873324A (en) | 2015-06-09 | 2015-06-09 | Reverse chopping hook for cataract surgery |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104873324A (en) |
| WO (1) | WO2016198028A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106726121A (en) * | 2016-12-22 | 2017-05-31 | 首都医科大学附属北京同仁医院 | It is a kind of core tweezer reversely to be split with singlehanded control |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2375277Y (en) * | 1999-05-08 | 2000-04-26 | 王首雁 | Ultrasonic emulsification auxiliary nuclear crusher for treatment of cataract |
| CN2610879Y (en) * | 2003-01-08 | 2004-04-14 | 陈颖平 | Snaked mouth type catarct suckion remover |
| US20060036270A1 (en) * | 2004-08-10 | 2006-02-16 | Asico Llc | Nucleus chopper and splitter |
| CN2820145Y (en) * | 2005-07-21 | 2006-09-27 | 刘兴元 | Nucleus split knife for micro incision cataract operation |
| CN201094695Y (en) * | 2007-08-31 | 2008-08-06 | 王峰 | Ultrasonic emulsification operation multipurpose hook |
| CN201230928Y (en) * | 2008-07-30 | 2009-05-06 | 张晨明 | Small incision and manual nucleus chopping device |
| US20130211414A1 (en) * | 2004-08-10 | 2013-08-15 | Asico Llc | Nucleus Chopper and Splitter |
| CN203693892U (en) * | 2014-01-21 | 2014-07-09 | 贺贵云 | Nucleus chopping device for horizontal and vertical use |
| CN204766124U (en) * | 2015-06-09 | 2015-11-18 | 首都医科大学附属北京同仁医院 | Cataract operation is with trans nuclear hook of splitting |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101108151A (en) * | 2007-08-31 | 2008-01-23 | 王峰 | Implantation operation multipurpose hook for suctioning out artificial lens of ultrasonic emulsification cataract |
| CN102784031A (en) * | 2012-09-03 | 2012-11-21 | 孙立旺 | Phacoemulsifmation nucleus chopping hook |
| CN204364220U (en) * | 2014-12-19 | 2015-06-03 | 戴红梅 | A kind of nucleus chopper for cataract |
| 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 |
-
2015
- 2015-06-09 CN CN201510314207.0A patent/CN104873324A/en active Pending
-
2016
- 2016-08-10 WO PCT/CN2016/094425 patent/WO2016198028A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2375277Y (en) * | 1999-05-08 | 2000-04-26 | 王首雁 | Ultrasonic emulsification auxiliary nuclear crusher for treatment of cataract |
| CN2610879Y (en) * | 2003-01-08 | 2004-04-14 | 陈颖平 | Snaked mouth type catarct suckion remover |
| US20060036270A1 (en) * | 2004-08-10 | 2006-02-16 | Asico Llc | Nucleus chopper and splitter |
| US20130211414A1 (en) * | 2004-08-10 | 2013-08-15 | Asico Llc | Nucleus Chopper and Splitter |
| CN2820145Y (en) * | 2005-07-21 | 2006-09-27 | 刘兴元 | Nucleus split knife for micro incision cataract operation |
| CN201094695Y (en) * | 2007-08-31 | 2008-08-06 | 王峰 | Ultrasonic emulsification operation multipurpose hook |
| CN201230928Y (en) * | 2008-07-30 | 2009-05-06 | 张晨明 | Small incision and manual nucleus chopping device |
| CN203693892U (en) * | 2014-01-21 | 2014-07-09 | 贺贵云 | Nucleus chopping device for horizontal and vertical use |
| CN204766124U (en) * | 2015-06-09 | 2015-11-18 | 首都医科大学附属北京同仁医院 | Cataract operation is with trans nuclear hook of splitting |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106726121A (en) * | 2016-12-22 | 2017-05-31 | 首都医科大学附属北京同仁医院 | It is a kind of core tweezer reversely to be split with singlehanded control |
| CN106726121B (en) * | 2016-12-22 | 2019-09-03 | 首都医科大学附属北京同仁医院 | It is a kind of can singlehanded control reversely split core tweezer |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016198028A1 (en) | 2016-12-15 |
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Application publication date: 20150902 |
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