CN102949263B - Self-dredging glaucomatous nail - Google Patents
Self-dredging glaucomatous nail Download PDFInfo
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- CN102949263B CN102949263B CN201110237625.6A CN201110237625A CN102949263B CN 102949263 B CN102949263 B CN 102949263B CN 201110237625 A CN201110237625 A CN 201110237625A CN 102949263 B CN102949263 B CN 102949263B
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- dredging
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- glaucoma
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Abstract
本发明公开了一种自疏通青光眼钉，其特征在于：其包括内部具有通孔的钉，在通孔中可沿轴向滑动地安装有一个疏通部件，在疏通部件和眼钉之间安装有一个驱动疏通部件向眼钉顶部滑动的弹性部件，在疏通部件上还设有一个顶推部分，该顶推部分至少有部分位于眼钉顶部并露出在通孔外。本发明的有益效果是：利用眼睑的动作推动疏通部件的顶推部分，推动疏通部件在细微的通孔中滑动，有效地避免了通孔堵塞，使眼内过多的液体能够不断被引流到眼外，从而可控地降低眼压。
The invention discloses a self-dragging glaucoma nail, which is characterized in that it includes a nail with a through hole inside, a dredging part is installed axially slidably in the through hole, and a An elastic component drives the dredging part to slide towards the top of the eye nail, and a pushing part is arranged on the dredging part, at least part of the pushing part is located on the top of the eye nail and exposed outside the through hole. The beneficial effects of the present invention are: the action of the eyelids is used to push the pushing part of the dredging part, and the dredging part is pushed to slide in the fine through hole, effectively avoiding the blockage of the through hole, so that the excessive liquid in the eye can be continuously drained to the out of the eye, thereby lowering intraocular pressure in a controlled manner.
Description
Technical field
The present invention relates to ophthalmic medical instrument, especially a kind of nail of the glaucoma of dredging certainly for reducing intraocular pressure.
Background technology
From dredging glaucoma nail, be for dredging the utensil of glaucoma intraocular pressure.When 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 operation in the way of 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, the glaucoma of dredging certainly nail that can life-time service.
A kind of from dredging glaucoma nail, comprise that inside has the eye nail of through hole, it is characterized in that: dredging parts can be installed slidably vertically in through hole, between dredging parts and eye nail, being provided with one drives dredging parts to the elastomeric element of 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.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, at through hole, have a cavity on the way at least, 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 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 can also be become to less scope with the gap design of dredging between parts, remainder gap is large or be cavity, dredges parts and drives the obturator of neck part to slip into cavity when 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, after dredging component wear, dismounting and change easily.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the schematic diagram from dredging glaucoma nail embodiment of the present invention.
Fig. 2 is that the present invention is from dredging the schematic diagram that glaucoma is followed closely another embodiment.
Fig. 3 is that the present invention is from dredging the glaucoma nail schematic diagram of an embodiment again.
The specific embodiment
Specific embodiments of the invention 1, as shown in Figure 1, a kind of from dredging glaucoma nail, comprise for implanting the eye nail 1 of 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, dredging parts 4 can be installed slidably vertically in through hole 6, between dredging parts 4 and eye nail 1, being provided with one drives dredging parts 4 to eye, to follow closely the flexure strip 3 of 1 top slide, 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 a plurality of cavitys 5 in through hole, and the interior medicine that can hold sterilization of cavity 5, enters eyeball for anti-bacteria, and cavity is partly 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.This device can be placed in use and is fixed in wall of eyeball and runs through wall of eyeball, utilize the urging portion of the action promotion dredging parts of eyelid, during 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, according to practical situation, also can make structural adjustment, for example, with spring, replace flexure strip 3, then at dredging parts 4 tops, directly establishes urging portion; 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 from dredging glaucoma nail, comprise for implanting the eye nail 1 of eyeball, whole eye nail is made of antibacterial material, eye nail 1 inside has through hole 6, dredging parts 4 can be installed slidably vertically in through hole 6, between dredging parts 4 and eye nail 1, being provided with one drives dredging parts 4 to eye, to follow closely the flexure strip 3 of 1 top slide, 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, eye nail 1 is fixed in eyeball by screw thread.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, as shown in Figure 3, follows closely inner through hole 6 be in this example made as many at eye, and set 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 meet following condition: when 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.
Disclosed all features in this description, or the 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.That is,, unless narration especially, each feature is an example in a series of equivalences or 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 disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110237625.6A CN102949263B (en) | 2011-08-18 | 2011-08-18 | Self-dredging glaucomatous nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110237625.6A CN102949263B (en) | 2011-08-18 | 2011-08-18 | Self-dredging glaucomatous nail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102949263A CN102949263A (en) | 2013-03-06 |
| CN102949263B true CN102949263B (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110237625.6A Expired - Fee Related CN102949263B (en) | 2011-08-18 | 2011-08-18 | Self-dredging glaucomatous nail |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115177433B (en) * | 2022-09-13 | 2022-11-18 | 山东百多安医疗器械股份有限公司 | Degradable zinc alloy glaucoma drainage stent |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993003778A1 (en) * | 1991-08-14 | 1993-03-04 | Price Francis W Jr | Eye filtration prosthesis for relieving intraocular pressure |
| US20040102729A1 (en) * | 2002-04-08 | 2004-05-27 | David Haffner | Devices and methods for glaucoma treatment |
| CN201005859Y (en) * | 2007-02-27 | 2008-01-16 | 山东百多安医疗器械有限公司 | Lacrimal probing drainage pipe |
| CA2772609A1 (en) * | 2009-09-21 | 2011-03-24 | Alcon Research Ltd. | Power saving glaucoma drainage device |
-
2011
- 2011-08-18 CN CN201110237625.6A patent/CN102949263B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993003778A1 (en) * | 1991-08-14 | 1993-03-04 | Price Francis W Jr | Eye filtration prosthesis for relieving intraocular pressure |
| US20040102729A1 (en) * | 2002-04-08 | 2004-05-27 | David Haffner | Devices and methods for glaucoma treatment |
| CN201005859Y (en) * | 2007-02-27 | 2008-01-16 | 山东百多安医疗器械有限公司 | Lacrimal probing drainage pipe |
| CA2772609A1 (en) * | 2009-09-21 | 2011-03-24 | Alcon Research Ltd. | Power saving glaucoma drainage device |
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| Publication number | Publication date |
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| CN102949263A (en) | 2013-03-06 |
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Granted publication date: 20140409 Termination date: 20180818 |
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| CF01 | Termination of patent right due to non-payment of annual fee |