CN102908226B - Stable self-dredge glaucoma nail - Google Patents
Stable self-dredge glaucoma nail Download PDFInfo
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- CN102908226B CN102908226B CN201210449467.5A CN201210449467A CN102908226B CN 102908226 B CN102908226 B CN 102908226B CN 201210449467 A CN201210449467 A CN 201210449467A CN 102908226 B CN102908226 B CN 102908226B
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- nail
- dredging
- hole
- glaucoma
- eye
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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 from dredging glaucoma nail.
Background technology
It is the utensil for dredging glaucoma intraocular pressure.In the time that intraocular pressure is too high, can cause extruding to cause pathological changes to inside ofeye structure, in order to reduce inside ofeye pressure, can adopt to implant on wall of eyeball and dredge utensil or adopt the way of operation in the rete upper shed of eyeball, the liquid that makes inside ofeye outflow gradually, 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 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 object 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 glaucoma nail.
A kind of steady type is from dredging glaucoma nail, comprise that inside has the eye nail of through hole, it is characterized in that: in through hole, can slide axially dredging parts are installed, between dredging parts and eye nail, be provided with one and drive the elastomeric element of dredging parts to eye nail top slide, on dredging parts, be also provided with a urging portion, this urging portion has at least part be positioned at a screw top portion and expose outside through hole, eye nail outer surface also has external screw thread, and supporting be provided with a female swell fixture of inner tool, the external screw thread of eye nail outer surface coordinates with swell fixture.This device can be placed and is fixed in wall of eyeball and runs 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 at least the gap between part hole wall and dredging parts to be 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 for screw top portion.
Preferably, the inner side of described flexure strip is connected with the urging portion on dredging parts.
Preferably, described flexure strip is arranged on a disk body, the dismountable screw top portion that is arranged on of disk body.
Preferably, have a cavity on the way at least at through hole, dredging parts pass cavity via through hole.
The invention has the beneficial effects as follows: utilize the action of eyelid to promote the urging portion of dredging parts, promote dredging parts and slide in through hole, effectively avoided through hole obstruction.Further, in some preferred embodiments, can in cavity, place anti-biotic material, anti-bacteria; Part hole wall and dredging can also be become to less scope at the gap design between parts, remainder gap is large or be cavity, dredges parts and drives the obturator of neck part to slip into cavity in the time of slip, reaches better dredging effect; Can also the gap of neck part be established littlely, to such an extent as to can effectively stop the harmful substances such as antibacterial to pass through; In another embodiment, when after dredging component wear, dismounting and change easily.
Brief description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the schematic diagram of steady type of the present invention from dredging glaucoma nail embodiment.
Fig. 2 is steady type of the present invention is followed closely another embodiment schematic diagram from dredging glaucoma.
Fig. 3 is that steady type of the present invention is from the dredging glaucoma nail schematic diagram of an embodiment again.
Fig. 4 is the schematic diagram of embodiment of the present invention using state.
Detailed description of the invention
Specific embodiments of the invention 1, as shown in Figure 1, a kind of steady type is from dredging glaucoma nail, comprise the eye nail 1 for implanting eyeball, conventionally the outside of eye nail 1 can have screw thread, for eye nail is fixed on to eyeball, eye nail 1 inside has through hole 6, in through hole 6, can slide axially dredging parts 4 are installed, between dredging parts 4 and eye nail 1, being provided with one drives dredging parts 4 to follow closely the flexure strip 3 of 1 top slide to eye, flexure strip 3 is mounted on a disk body 2, dismountable eye nail 1 top that is arranged on of disk body 2, on dredging parts 4, be also provided with a urging portion, this urging portion is positioned at a screw top portion and exposes outside through hole 6, the part of exposing is connected with the inner side of flexure strip 3.The present embodiment is also provided with multiple cavitys 5 in through hole, and the interior medicine that can hold sterilization of cavity 5, enters eyeball for anti-bacteria, and cavity part is difficult for stopping up.In this example, the part hole wall of through hole and the gap of dredging between parts are less than 50 nanometers, are controlling on the basis of 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 eyeball, steady type is packed in swell fixture 7 from 1 rotation of dredging glaucoma nail.This device can be laid in use and is fixed in wall of eyeball and runs through wall of eyeball, utilize the action of eyelid to promote the urging portion of dredging parts, when nictation, eyelid promotes dredging parts down sliding in through hole, then dredge parts and drive and be returned to initial position by elastomeric element, can effectively avoid 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, replace flexure strip 3 with spring, then directly establishes urging portion at dredging parts 4 tops; Or cavity 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 glaucoma nail, comprise the eye nail 1 for implanting eyeball, whole eye nail is made of antibacterial material, eye nail 1 inside has through hole 6, in through hole 6, can slide axially dredging parts 4 are installed, between dredging parts 4 and eye nail 1, being provided with one drives dredging parts 4 to follow closely the flexure strip 3 of 1 top slide to eye, flexure strip 3 is mounted on a disk body 2, dismountable eye nail 1 top that is arranged on of disk body 2, on dredging parts 4, be also provided with a urging portion, this urging portion is positioned at a screw top portion and exposes outside through hole 6, the part of exposing is connected with the inner side of flexure strip 3, 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 eyeball, steady type is packed in swell fixture from the nail rotation of dredging glaucoma.In this example, the part hole wall of through hole and the gap of dredging between parts are less than 50 nanometers, are controlling on the basis of 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, follows closely inner through hole 6 in this example and is made as many, and set up the dredging parts 4 of respective amount, for increasing the leakage rate of eye nail at eye.
In the above-described embodiments, the modulus of elasticity of flexure strip 3 can be designed to meet following condition: in the time that intraocular pressure is greater than 5mm mercury column, when the thrust that flexure strip 3 is subject to is greater than 5mm mercury column, flexure strip 3 just drives dredging parts 4 to follow closely 1 top slide to eye.
Shown in Fig. 4, be that the glaucoma of dredging certainly of the embodiment of the present invention is followed closely after implanting in eye, the state after swell fixture 7 is squeezed.
Disclosed all features in this description, or step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Disclosed arbitrary feature in this description (comprising any accessory claim, summary and accompanying drawing), unless narration especially all can be replaced by other equivalences or the alternative features with similar object.,, unless narration especially, each feature is an example in a series of equivalences or similar characteristics.
The present invention is not limited to aforesaid detailed description of the invention.The present invention expands to any new feature or any new combination disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.
Claims (9)
1. a steady type is from dredging glaucoma nail, comprise that inside has the eye nail of through hole, eye nail outer surface has external screw thread, and supporting be provided with a female swell fixture of inner tool, the external screw thread of eye nail outer surface coordinates with swell fixture, it is characterized in that: in through hole, slide axially dredging parts are installed, between dredging parts and eye nail, be provided with one and drive the elastomeric element of dredging parts to eye nail top slide, on dredging parts, be also provided with a urging portion, this urging portion has at least part be positioned at a screw top portion and expose outside through hole.
2. steady type according to claim 1, from dredging glaucoma nail, is characterized in that: described through hole has part hole wall at least and dredges gap between parts for being less than 50 nanometers.
3. steady type according to claim 1, from dredging glaucoma nail, is characterized in that: described elastomeric element is to be positioned at a flexure strip for screw top portion.
4. steady type according to claim 3, from dredging glaucoma nail, is characterized in that: the inner side of described flexure strip is connected with the urging portion on dredging parts.
5. steady type according to claim 4, from dredging glaucoma nail, is characterized in that: described flexure strip is arranged on a disk body the dismountable screw top portion that is arranged on of disk body.
6. follow closely from dredging glaucoma according to the steady type described in claim 1 or 2 or 3, it is characterized in that: have a cavity on the way at least at through hole, dredging parts pass cavity via through hole.
7. steady type according to claim 5, from dredging glaucoma nail, is characterized in that: have a cavity on the way at least at through hole, dredging parts pass cavity via through hole.
8. follow closely from dredging glaucoma according to the steady type described in claim 1 or 2 or 3, it is characterized in that: the modulus of elasticity of described elastomeric element is less than 5mm mercury column.
9. follow closely from dredging glaucoma according to the steady type described in claim 1 or 2 or 3, 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 CN102908226A (en) | 2013-02-06 |
| CN102908226B true CN102908226B (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210449467.5A Expired - Fee Related CN102908226B (en) | 2012-11-12 | 2012-11-12 | Stable self-dredge glaucoma nail |
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| Country | Link |
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| CN (1) | CN102908226B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114652488A (en) * | 2022-03-22 | 2022-06-24 | 海思盖德(苏州)生物医学科技有限公司 | Intraocular implant and implant surface compound type medicine coating process |
Citations (6)
| 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 |
| 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 |
| CN102271632A (en) * | 2009-01-02 | 2011-12-07 | 爱尔康研究有限公司 | In-situ refillable ophthalmic implant |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HUP0201111A3 (en) * | 1999-04-26 | 2004-05-28 | Gmp Vision Solutions Inc Ft La | Shunt device for treating glaucoma |
| US20100274224A1 (en) * | 2008-07-08 | 2010-10-28 | Qlt Plug Delivery, Inc. | Lacrimal implant body including comforting agent |
-
2012
- 2012-11-12 CN CN201210449467.5A patent/CN102908226B/en not_active Expired - Fee Related
Patent Citations (6)
| 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 |
| 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 |
| CN102271632A (en) * | 2009-01-02 | 2011-12-07 | 爱尔康研究有限公司 | In-situ refillable ophthalmic implant |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2004-344674A 2004.12.09 |
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| CN102908226A (en) | 2013-02-06 |
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Granted publication date: 20140709 Termination date: 20181112 |
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