CN102908226A - Stable self-dredge glaucoma nail - Google Patents
Stable self-dredge glaucoma nail Download PDFInfo
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- CN102908226A CN102908226A CN2012104494675A CN201210449467A CN102908226A CN 102908226 A CN102908226 A CN 102908226A CN 2012104494675 A CN2012104494675 A CN 2012104494675A CN 201210449467 A CN201210449467 A CN 201210449467A CN 102908226 A CN102908226 A CN 102908226A
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- nail
- dredging
- hole
- eye
- glaucoma
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Abstract
The invention discloses a stable self-dredge glaucoma nail, comprising an eye nail with a through hole therein. The stable self-dredge glaucoma nail is characterized in that a dredge component is slidingly mounted in the through hole in the axial direction; an elastic component for driving the dredge component to slide to the top of the eye nail is mounted between the dredge component and the eye nail; a pushing part is further arranged on the dredge component and at least one portion of the pushing part is located at the top of the eye nail and exposed out of the through hole; external threads are further formed on the outer surface of the eye nail and an expansion screw with internal threads inside is arranged to match with the external threads; and the external threads on the outer surface of the eye nail are matched with the expansion screw. The stable self-dredge glaucoma nail has the following beneficial effects that the pushing part of the dredge component is pushed by the actions of the eyelid, thereby pushing the dredge component to slide in the tiny through hole; in this way, the blockage of the through hole is effectively avoided and excessive liquid in the eye can be continuously drained to the outside of the eye; and therefore, the eye pressure is controllably reduced.
Description
Technical field
The present invention relates to ophthalmic medical instrument, especially a kind of steady type for reducing intraocular pressure is followed closely from dredging glaucoma.
Background technology
Be used to the utensil of dredging the glaucoma intraocular pressure.When intraocular pressure is too high, can cause pathological changes to inside ofeye structure pinch, in order to reduce inside ofeye pressure, can adopt in the wall of eyeball implantation and dredge utensil or adopt operation in the way of the rete upper shed of eyeball, so that the outflow gradually of the liquid of inside ofeye reduces intraocular pressure.The known utensil (eye nail) of dredging normally centre has the spike utensil of through hole, and the liquid of ophthalmic flows out by middle through hole, because the diameter of through hole is very little, can cause in use for some time through hole to stop up, and the eye nail loses effectiveness.Although adopt mode perforate on the rete of eyeball of operation can not produce the problem of obstruction, As time goes on, tapping can heal gradually, loses the function of leakage liquid.
Summary of the invention
The objective of the invention is: for the deficiencies in the prior art, provide one simple in structure, steady type that can life-time service is from dredging the glaucoma nail.
A kind of steady type is from dredging the glaucoma nail, comprise that inside has the eye nail of through hole, it is characterized in that: dredging parts can be installed in through hole vertically slidably, between dredging parts and eye nail, be equipped with one and drive the elastomeric element that the dredging parts slide to eye screw top section, on the dredging parts, also be provided with a urging portion, this urging portion has at least part to be positioned at a screw top section and exposes outside through hole, eye nail outer surface also has external screw thread, and supporting being provided with the swell fixture that an inside has female thread, the external screw thread of eye nail outer surface cooperates with swell fixture.This device can be placed and be fixed in the wall of eyeball and run through wall of eyeball.Wherein the cross section of through hole and dredging parts can be irregular shape.
Supplementary technology scheme of the present invention is as follows:
Preferably, described through hole has part hole wall and the gap of dredging between the parts at least less than 50 nanometers.In order to avoid larger harmful substance enters ophthalmic.
Preferably, described elastomeric element is to be positioned at a flexure strip of screw top section.
Preferably, the inboard of described flexure strip is connected with the urging portion of dredging on the parts.
Preferably, described flexure strip is installed on the disk body, the dismountable screw top section that is installed in of disk body.
Preferably, have a cavity on the way at least at through hole, the dredging parts pass cavity via through hole.
The invention has the beneficial effects as follows: utilize the urging portion of the action promotion dredging parts of eyelid, promote the dredging parts and in through hole, slide, effectively avoided the through hole obstruction.Further, in some preferred embodiments, can in cavity, place anti-biotic material, anti-bacteria; The part hole wall can also be become less scope with the gap design of dredging between the parts, the remainder gap is large or be cavity, and the obturator of dredging parts drive neck part when slip slips into cavity, reaches better dredging effect; Can also establish the gap of neck part less, to such an extent as to can effectively stop the harmful substances such as antibacterial to pass through; In another embodiment, behind the dredging component wear, dismounting and change easily.
Description of drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is that steady type of the present invention is from the sketch map of dredging glaucoma nail embodiment.
Fig. 2 is that steady type of the present invention is from dredging the sketch map that glaucoma is followed closely another embodiment.
Fig. 3 is that steady type of the present invention is from dredging the again sketch map of an embodiment of glaucoma nail.
Fig. 4 is the sketch map of embodiment of the invention user mode.
The specific embodiment
Specific embodiments of the invention 1, as shown in Figure 1, a kind of steady type is from dredging the glaucoma nail, comprise for the eye nail 1 of implanting eyeball, usually the outside of eye nail 1 can have screw thread, be used for the eye nail is fixed on eyeball, eye nail 1 inside has through hole 6, dredging parts 4 can be installed in through hole 6 vertically slidably, driving dredging parts 4 are installed between dredging parts 4 and eye nail 1 follow closely the flexure strip 3 of 1 top slide to eye, flexure strip 3 is mounted on the disk body 2, disk body 2 dismountable eye nail 1 tops that are installed in, also be provided with a urging portion on dredging parts 4, this urging portion is positioned at a screw top section and exposes outside through hole 6, and the part of exposing is connected with the inboard of flexure strip 3.Present embodiment also is provided with a plurality of cavitys 5 in through hole, the cavity 5 interior medicines that can hold sterilization are used for anti-bacteria and enter eyeball, and cavity partly is difficult for stopping up.The part hole wall of through hole and the gap of dredging between the parts be less than 50 nanometers in this example, on the basis of control leakage rate, if take less gap to be conducive to stop bacterial virus etc. to enter eyeball via through hole.The outside of eye nail 1 has screw thread, with threaded engagement be the female thread of swell fixture 7 inside, in use, first swell fixture 7 is fixed in the eyeball, steady type is being packed into and is being got final product in the swell fixture 7 from dredging 1 rotation of glaucoma nail.This device can be laid in use and be fixed in the wall of eyeball and run through wall of eyeball, utilize the urging portion of the action promotion dredging parts of eyelid, eyelid promotes dredging parts down sliding in through hole during nictation, then dredge parts and be returned to initial position by the elastomeric element driving, can effectively avoid the through hole obstruction.
Above-described embodiment is the preferred embodiments of the present invention, also can make structural adjustment according to practical situation, for example replaces flexure strip 3 with spring, then directly establishes urging portion at dredging parts 4 tops; Cavity perhaps is not set in through hole, simplifies through-hole structure.
Another embodiment of the present invention, as shown in Figure 2, a kind of steady type is from dredging the glaucoma nail, comprise for the eye nail 1 of implanting eyeball, whole eye nail is made of antibacterial material, eye nail 1 inside has through hole 6, dredging parts 4 can be installed in through hole 6 vertically slidably, driving dredging parts 4 are installed between dredging parts 4 and eye nail 1 follow closely the flexure strip 3 of 1 top slide to eye, flexure strip 3 is mounted on the disk body 2, disk body 2 dismountable eye nail 1 tops that are installed in, on dredging parts 4, also be provided with a urging portion, this urging portion is positioned at a screw top section and exposes outside through hole 6, and the part of exposing is connected with the inboard of flexure strip 3, and the outside of eye nail 1 has screw thread, with threaded engagement be the female thread of swell fixture 7 inside, in use, first swell fixture 7 is fixed in the eyeball, steady type is being packed into and got final product in the swell fixture from dredging glaucoma nail rotation.The part hole wall of through hole and the gap of dredging between the parts be less than 50 nanometers in this example, on the basis of control leakage rate, if take less gap to be conducive to stop bacterial virus etc. to enter eyeball via through hole.
Embodiments of the invention 3, with embodiment 2 structural similarities, difference is, is made as many at the inner through hole 6 of eye nail in this example, and sets up the dredging parts 4 of respective amount, for increasing the leakage rate of eye nail.
In the above-described embodiments, the modulus of elasticity of flexure strip 3 can be designed to satisfy following condition: when intraocular pressure during greater than the 5mm mercury column, the thrust that flexure strip 3 is subject to is during greater than the 5mm mercury column, and flexure strip 3 just drives dredging parts 4 and follows closely 1 top slide to eye.
Shown in Fig. 4, be the certainly dredging glaucoma nail of the embodiment of the invention in implanting eye after, the state that swell fixture 7 is squeezed after opening.
Disclosed all features in this description, or the step in disclosed all methods or the process except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this description (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
The present invention is not limited to the aforesaid specific embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (9)
1. a steady type is from dredging the glaucoma nail, comprise that inside has the eye nail of through hole, it is characterized in that: dredging parts can be installed in through hole vertically slidably, between dredging parts and eye nail, be equipped with one and drive the elastomeric element that the dredging parts slide to eye screw top section, on the dredging parts, also be provided with a urging portion, this urging portion has at least part to be positioned at a screw top section and exposes outside through hole, eye nail outer surface also has external screw thread, and supporting being provided with the swell fixture that an inside has female thread, the external screw thread of eye nail outer surface cooperates with swell fixture.
2. steady type according to claim 1 is characterized in that from dredging the glaucoma nail: it is less than 50 nanometers that described through hole has the gap between part hole wall and the dredging parts at least.
3. steady type according to claim 1 and 2 is from dredging the glaucoma nail, and it is characterized in that: described elastomeric element is to be positioned at a flexure strip of screw top section.
4. steady type according to claim 3 is characterized in that from dredging glaucoma nail: the inboard of described flexure strip is connected with urging portion on dredging parts.
5. steady type according to claim 4 is from dredging the glaucoma nail, and it is characterized in that: described flexure strip is installed on the disk body, the dismountable screw top section that is installed in of disk body.
According to claim 1 and 2 or 3 described steady types from dredging glaucoma nail, it is characterized in that: have a cavity on the way at least at through hole, the dredging parts pass cavity via through hole.
7. steady type according to claim 5 is characterized in that from dredging the glaucoma nail: have a cavity on the way at least at through hole, the dredging parts pass cavity via through hole.
According to claim 1 and 2 or 3 described steady types from dredging glaucoma nail, it is characterized in that: the modulus of elasticity of described elastomeric element is less than the 5mm mercury column.
According to claim 1 and 2 or 3 described steady types from dredging glaucoma nail, it is characterized in that: the inner number of openings of eye nail is more than or equal to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210449467.5A CN102908226B (en) | 2012-11-12 | 2012-11-12 | Stable self-dredge glaucoma nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210449467.5A CN102908226B (en) | 2012-11-12 | 2012-11-12 | Stable self-dredge glaucoma nail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102908226A true CN102908226A (en) | 2013-02-06 |
| CN102908226B CN102908226B (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210449467.5A Expired - Fee Related CN102908226B (en) | 2012-11-12 | 2012-11-12 | Stable self-dredge glaucoma nail |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023179235A1 (en) * | 2022-03-22 | 2023-09-28 | 海思盖德(苏州)生物医学科技有限公司 | Intraocular implant and composite drug coating process on implant outer surface |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5092837A (en) * | 1989-12-20 | 1992-03-03 | Robert Ritch | Method for the treatment of glaucoma |
| CN2237430Y (en) * | 1995-07-20 | 1996-10-16 | 北京市橡胶制品设计研究院 | Draining disc for humor aquosus of glaucoma |
| US5626559A (en) * | 1994-05-02 | 1997-05-06 | Ramot University Authority For Applied Research And Industrial Development Ltd. | Ophthalmic device for draining excess intraocular fluid |
| JP2004344674A (en) * | 1999-04-26 | 2004-12-09 | Gmp Vision Solutions Inc | Shunt apparatus and method for treating glaucoma |
| CN1669542A (en) * | 1994-08-30 | 2005-09-21 | 普菲策尔健康公司 | Ocular treatment device |
| CN101001589A (en) * | 2004-06-01 | 2007-07-18 | 贝克顿迪肯森公司 | Ocular implant and methods for making and using same |
| US20100274224A1 (en) * | 2008-07-08 | 2010-10-28 | Qlt Plug Delivery, Inc. | Lacrimal implant body including comforting agent |
| CN102271632A (en) * | 2009-01-02 | 2011-12-07 | 爱尔康研究有限公司 | In-situ refillable ophthalmic implant |
-
2012
- 2012-11-12 CN CN201210449467.5A patent/CN102908226B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5092837A (en) * | 1989-12-20 | 1992-03-03 | Robert Ritch | Method for the treatment of glaucoma |
| US5626559A (en) * | 1994-05-02 | 1997-05-06 | Ramot University Authority For Applied Research And Industrial Development Ltd. | Ophthalmic device for draining excess intraocular fluid |
| CN1669542A (en) * | 1994-08-30 | 2005-09-21 | 普菲策尔健康公司 | Ocular treatment device |
| CN2237430Y (en) * | 1995-07-20 | 1996-10-16 | 北京市橡胶制品设计研究院 | Draining disc for humor aquosus of glaucoma |
| JP2004344674A (en) * | 1999-04-26 | 2004-12-09 | Gmp Vision Solutions Inc | Shunt apparatus and method for treating glaucoma |
| CN101001589A (en) * | 2004-06-01 | 2007-07-18 | 贝克顿迪肯森公司 | Ocular implant and methods for making and using same |
| US20100274224A1 (en) * | 2008-07-08 | 2010-10-28 | Qlt Plug Delivery, Inc. | Lacrimal implant body including comforting agent |
| CN102271632A (en) * | 2009-01-02 | 2011-12-07 | 爱尔康研究有限公司 | In-situ refillable ophthalmic implant |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023179235A1 (en) * | 2022-03-22 | 2023-09-28 | 海思盖德(苏州)生物医学科技有限公司 | Intraocular implant and composite drug coating process on implant outer surface |
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| Publication number | Publication date |
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| CN102908226B (en) | 2014-07-09 |
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Granted publication date: 20140709 Termination date: 20181112 |
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