CN105919724A - Anterior chamber infusion device - Google Patents
Anterior chamber infusion device Download PDFInfo
- Publication number
- CN105919724A CN105919724A CN201610419559.7A CN201610419559A CN105919724A CN 105919724 A CN105919724 A CN 105919724A CN 201610419559 A CN201610419559 A CN 201610419559A CN 105919724 A CN105919724 A CN 105919724A
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- China
- Prior art keywords
- blade
- reverse headgear
- knife
- anterior chamber
- infusion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
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- 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)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Prostheses (AREA)
Abstract
An anterior chamber infusion device comprises an anterior chamber infusion maintainer and a cornea puncture knife matched with the infusion maintainer. Two infusion holes in symmetric arrangement are formed in the side wall of an infusion head of the anterior chamber infusion maintainer to balance vortex generated in an anterior chamber during infusion to reduce impact on eye tissue; the anterior chamber infusion device can enter the anterior chamber through a tiny incision for infusion to maintain stability of the anterior chamber, so that no viscoelastic agent needs to be added into the anterior chamber, and operation step and time, potential complication risk and related expense relating to the viscoelastic agent are avoided.
Description
Technical field
The present invention relates to technical field of medical instruments, be specifically related to a kind of reverse headgear apparatus.
Background technology
Anterior chamber's maintenance is the important prerequisite that the intraocular surgeries such as implantation of artificial lens are able to that safety is smoothed out, and traditional maintenance anterior chamber needs to use adhered elastomer to be injected into anterior chamber, after having performed the operation, then is purged by adhered elastomer.But, which increase the relevant operating procedure of adhered elastomer, time, expense.Additionally, perform the operation at phakic intraocular lens in some cases, adhered elastomer is difficult to remove totally, has the generation potential complication risk such as Bulbi hypertonia, cataract.Use this product to maintain anterior chamber, it is not necessary to use adhered elastomer, operating procedure and time, potential complication risk and correlative charges that adhered elastomer is relevant can be avoided.
The domestic similar products that there is no, clinical demand is big, and industrialization prospect is wide.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of reverse headgear apparatus.
The technical solution that the present invention uses is: a kind of reverse headgear apparatus, including reverse headgear retainer, described reverse headgear retainer includes infusion apparatus joint, described infusion apparatus joint is provided with the conduit of top closure, described conduit is that metal material is made, described conduit includes the straight tube being connected with infusion apparatus joint and is folded up becoming with straight tube the arm of angle, described arm front end is pouring head, the sidewall of described pouring head is provided with two symmetrically arranged fill orifices, through hole is formed between described symmetrically arranged fill orifice, the axis of described through hole and the axis of arm are mutually perpendicular to distribution.
Described length of straight pipe is 12mm, a length of 10mm of arm, and the angle between described straight tube and arm is 130 °.
Described pouring head top is circular arc, is spherical cavity in the pouring head top of described circular arc, and the centre of sphere of the described spherical cavity in pouring head is positioned at the top of through hole.
Described through-hole diameter is 0.34mm.
Described conduit diameter is 0.5mm.
Described reverse headgear apparatus also includes the keratonyxis cutter supporting with irrigating retainer, and described keratonyxis cutter includes that handle of a knife, blade, described handle of a knife front end are provided with connecting portion, and described blade is arranged on connecting portion.
Described blade head is provided with blade, forms the angle of 110 ° between described blade and blade.
Described knife-edge leading end is point of a knife, described point of a knife be drift angle be the equilateral triangle of 60 °, described corner length is 0.68mm, and width is 0.79mm.
The a length of 10mm of described blade, a length of 17mm of blade.
Described handle of a knife is provided with the frosted layer for increasing hand-held frictional force.
The invention has the beneficial effects as follows: the invention provides a kind of reverse headgear apparatus, including reverse headgear retainer and the keratonyxis cutter supporting with perfusion retainer, the present invention is by arranging two symmetrically arranged fill orifices on the sidewall of the pouring head of reverse headgear retainer, thus the eddy current produced in anterior chamber when balancing perfusion, thus reduce the impact to ocular tissue, anterior chamber can be entered by miniature incision to be irrigated, maintain stable anterior chamber, therefore without adding adhered elastomer in anterior chamber, avoid the relevant operating procedure of adhered elastomer and time, potential complication risk, and correlative charges.
Accompanying drawing explanation
Fig. 1 is reverse headgear retainer structural representation of the present invention.
Fig. 2 is reverse headgear retainer guide-tube structure enlarged drawing of the present invention.
Fig. 3 is keratonyxis knife structure schematic diagram of the present invention.
Fig. 4 is keratonyxis cutter point of a knife schematic enlarged-scale view of the present invention.
Fig. 5 is reverse headgear retainer guide-tube structure sectional view of the present invention.
1-infusion apparatus joint in figure, 2-conduit, 3-handle of a knife, 4-blade, 21-straight tube, 22-arm, 23-pouring head, 24-fill orifice, 25-through hole, 31-connecting portion, 32-frosted layer, 41-blade, 42-point of a knife.
Detailed description of the invention
In conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, the present invention is further described, a kind of reverse headgear apparatus, including reverse headgear retainer, described reverse headgear retainer includes infusion apparatus joint 1, described infusion apparatus joint 1 is provided with the conduit 2 of top closure, the described a diameter of 0.5mm of conduit 2.Described conduit 2 is made for metal material, described conduit 2 includes the straight tube 21 being connected with infusion apparatus joint 1 and is folded up becoming with straight tube 21 arm 22 of angle, the described a length of 12mm of straight tube 21, a length of 10mm of arm 22, the angle between described straight tube 21 and arm 22 is 130 °.The structure turned up by arm 22 and straight tube, it is achieved single reverse headgear retainer one-handed performance can be adjusted perfusion to ophthalmic, it is not necessary to other assistive device, simple operation is effective.Described arm 22 front end is pouring head 23, and the sidewall of described pouring head 23 is provided with two symmetrically arranged fill orifices 24, forms through hole 25, the described a diameter of 0.34mm of through hole 25 between described symmetrically arranged fill orifice 24.The axis of described through hole 25 and the axis of arm 22 are mutually perpendicular to distribution.Described pouring head 23 top is circular arc, the pouring head 23 top Internal Spherical Surface cavity of described circular arc, and the centre of sphere of the described spherical cavity in pouring head is positioned at the top of through hole., described through hole 25 front end is 0.25mm with the distance at pouring head 23 top of circular arc.Two symmetrically arranged fill orifices 24 are set on the sidewall by pouring head 23, after in the current hemispheric spherical cavity of entrance, flow out from through hole 25 again after mutually the power of backflow is repealed by implication, slow down the impact of current, thus the eddy current produced in anterior chamber when balancing perfusion, thus reduce the impact to ocular tissue, and be cavity in pouring head 23 top of circular arc, the current of perfusion can be introduced in the cavity at pouring head 23 top, flow out back up through two symmetrically arranged fill orifices 24 again, also slow down impulsive force.
Described reverse headgear apparatus also includes the keratonyxis cutter supporting with irrigating retainer, and described keratonyxis cutter includes that handle of a knife 3, blade 4, described handle of a knife 3 front end are provided with connecting portion 31, and described blade 4 is arranged on connecting portion 31.Described blade 4 head is provided with blade 41, forms the angle of 110 ° between described blade 41 and blade 4.Described blade 41 front end is point of a knife 42, and described point of a knife 42 is the equilateral triangle that drift angle is 60 °, the described a length of 0.68mm of point of a knife 42, and width is 0.79mm.The described a length of 10mm of blade 41, a length of 17mm of blade 4.The present invention uses minor diameter blade, can make the miniature incision mated with reverse headgear apparatus, had both shortened blade and has entered the length of anterior chamber, improves safety, reduces again otch and leaks, maintains stable anterior chamber.The experience of operator is relied on minimizing.Meanwhile, top edge length is short, can avoid the accidental injury being correlated with.
Described handle of a knife 3 is provided with the frosted layer 32 for increasing hand-held frictional force, for increasing frictional force when handle of a knife 3 is held.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-described embodiment, and all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that, for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a reverse headgear apparatus, including reverse headgear retainer, described reverse headgear retainer includes infusion apparatus joint (1), it is characterized in that, described infusion apparatus joint (1) is provided with the conduit (2) of top closure, described conduit (2) is that metal material is made, described conduit (2) includes the straight tube (21) being connected with infusion apparatus joint (1) and is folded up becoming with straight tube (21) arm (22) of angle, described arm (22) front end is pouring head (23), the sidewall of described pouring head (23) is provided with two symmetrically arranged fill orifices (24), through hole (25) is formed between described symmetrically arranged fill orifice (24), the axis of described through hole (25) and the axis of arm (22) are mutually perpendicular to distribution.
A kind of reverse headgear apparatus the most according to claim 1, it is characterised in that described straight tube (21) a length of 12mm, arm (22) a length of 10mm, the angle between described straight tube (21) and arm (22) is 130 °.
A kind of reverse headgear apparatus the most according to claim 1, it is characterized in that, described pouring head (23) top is circular arc, is spherical cavity in pouring head (23) top of described circular arc, and the centre of sphere of the described spherical cavity in pouring head (23) is positioned at the top of through hole (25).
A kind of reverse headgear apparatus the most according to claim 1, it is characterised in that described through hole (25) a diameter of 0.34mm.
A kind of reverse headgear apparatus the most according to claim 1, it is characterised in that described conduit (2) a diameter of 0.5mm.
A kind of reverse headgear apparatus the most according to claim 1, it is characterized in that, described reverse headgear apparatus also includes the keratonyxis cutter supporting with irrigating retainer, described keratonyxis cutter includes handle of a knife (3), blade (4), described handle of a knife (3) front end is provided with connecting portion (31), and described blade (4) is arranged on connecting portion (31).
A kind of reverse headgear apparatus the most according to claim 6, it is characterised in that described blade (4) head is provided with blade (41), forms the angle of 110 ° between described blade (41) and blade (4).
A kind of reverse headgear apparatus the most according to claim 7, it is characterized in that, described blade (41) front end is point of a knife (42), described point of a knife (42) be drift angle be the equilateral triangle of 60 °, described point of a knife (42) a length of 0.68mm, width is 0.79mm.
A kind of reverse headgear apparatus the most according to claim 7, it is characterised in that described blade (41) a length of 10mm, blade (4) a length of 17mm.
A kind of reverse headgear apparatus the most according to claim 6, it is characterised in that described handle of a knife (3) is provided with the frosted layer (32) for increasing hand-held frictional force.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610419559.7A CN105919724B (en) | 2016-06-14 | 2016-06-14 | A kind of reverse headgear instrument |
| KR1020160124637A KR101879504B1 (en) | 2016-06-14 | 2016-09-28 | An anterior chamber irrigation maintainer |
| AU2016234979A AU2016234979B1 (en) | 2016-06-14 | 2016-09-29 | Novel phakic intraocular lens implantation without viscoelastics and instrument thereof |
| US15/280,891 US10258463B2 (en) | 2016-06-14 | 2016-09-29 | Phakic intraocular lens implantation without viscoelastics and instrument thereof |
| KR1020180048371A KR101886999B1 (en) | 2016-06-14 | 2018-04-26 | A phakic intraocular lens position adjustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610419559.7A CN105919724B (en) | 2016-06-14 | 2016-06-14 | A kind of reverse headgear instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105919724A true CN105919724A (en) | 2016-09-07 |
| CN105919724B CN105919724B (en) | 2018-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610419559.7A Active CN105919724B (en) | 2016-06-14 | 2016-06-14 | A kind of reverse headgear instrument |
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| Country | Link |
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| CN (1) | CN105919724B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109044615A (en) * | 2018-09-11 | 2018-12-21 | 厦门大学附属厦门眼科中心有限公司 | For ophthalmic lens subluxation surgical pocket syringe |
| US10543122B2 (en) | 2016-12-19 | 2020-01-28 | New World Medical, Inc. | Ocular treatment devices and related methods of use |
| CN112618152A (en) * | 2020-12-14 | 2021-04-09 | 中国人民解放军总医院 | Viscoelastic agent and perfusate integrated injection device capable of measuring intraocular pressure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2502672Y (en) * | 2001-08-27 | 2002-07-31 | 谭少健 | Porous perfusion anterior chamber maintaining apparatus |
| WO2002058607A2 (en) * | 2001-01-25 | 2002-08-01 | Ferrone Philip J | Infusion cannula |
| CN201200537Y (en) * | 2008-03-31 | 2009-03-04 | 中国人民解放军第三军医大学第一附属医院 | Twolip paracentesis knife for anterior chamber |
| CN202027785U (en) * | 2011-04-14 | 2011-11-09 | 何淑艳 | Eye surgery bistoury |
| CN103393497A (en) * | 2013-08-06 | 2013-11-20 | 厦门大学附属中山医院 | Multifunctional cataract surgical hook |
| CN204306952U (en) * | 2014-10-30 | 2015-05-06 | 袁超峰 | A kind of ophthalmologic operation aspiration needle device |
| CN205885627U (en) * | 2016-06-14 | 2017-01-18 | 温州眼视光发展有限公司 | Former wife who has died pours into apparatus |
-
2016
- 2016-06-14 CN CN201610419559.7A patent/CN105919724B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002058607A2 (en) * | 2001-01-25 | 2002-08-01 | Ferrone Philip J | Infusion cannula |
| CN2502672Y (en) * | 2001-08-27 | 2002-07-31 | 谭少健 | Porous perfusion anterior chamber maintaining apparatus |
| CN201200537Y (en) * | 2008-03-31 | 2009-03-04 | 中国人民解放军第三军医大学第一附属医院 | Twolip paracentesis knife for anterior chamber |
| CN202027785U (en) * | 2011-04-14 | 2011-11-09 | 何淑艳 | Eye surgery bistoury |
| CN103393497A (en) * | 2013-08-06 | 2013-11-20 | 厦门大学附属中山医院 | Multifunctional cataract surgical hook |
| CN204306952U (en) * | 2014-10-30 | 2015-05-06 | 袁超峰 | A kind of ophthalmologic operation aspiration needle device |
| CN205885627U (en) * | 2016-06-14 | 2017-01-18 | 温州眼视光发展有限公司 | Former wife who has died pours into apparatus |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10543122B2 (en) | 2016-12-19 | 2020-01-28 | New World Medical, Inc. | Ocular treatment devices and related methods of use |
| US10828196B2 (en) | 2016-12-19 | 2020-11-10 | New World Medical, Inc. | Ocular treatment devices and related methods of use |
| US11076989B2 (en) | 2016-12-19 | 2021-08-03 | New World Medical, Inc. | Ocular treatment devices and related methods of use |
| US11432962B2 (en) | 2016-12-19 | 2022-09-06 | New World Medical, Inc. | Ocular treatment devices and related methods of use |
| CN109044615A (en) * | 2018-09-11 | 2018-12-21 | 厦门大学附属厦门眼科中心有限公司 | For ophthalmic lens subluxation surgical pocket syringe |
| CN112618152A (en) * | 2020-12-14 | 2021-04-09 | 中国人民解放军总医院 | Viscoelastic agent and perfusate integrated injection device capable of measuring intraocular pressure |
| CN112618152B (en) * | 2020-12-14 | 2022-02-08 | 中国人民解放军总医院 | Viscoelastic agent and perfusate integrated injection device capable of measuring intraocular pressure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105919724B (en) | 2018-08-28 |
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Effective date of registration: 20201217 Address after: Room 1094, building 1, No. 2011, Xinfeng Road, Fengcheng Town, Fengxian District, Shanghai Patentee after: SHANGHAI MOSHI INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 325000 No. 270 College West Road, Zhejiang, Wenzhou Patentee before: WENZHOU OPTOMETRY & OPHTHALMOLOGY DEVELOPMENT Co.,Ltd. |
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