CN103181842A - Plate layer sclerotome for department of ophthalmology - Google Patents
Plate layer sclerotome for department of ophthalmology Download PDFInfo
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- CN103181842A CN103181842A CN2013100973675A CN201310097367A CN103181842A CN 103181842 A CN103181842 A CN 103181842A CN 2013100973675 A CN2013100973675 A CN 2013100973675A CN 201310097367 A CN201310097367 A CN 201310097367A CN 103181842 A CN103181842 A CN 103181842A
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- sclerectome
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Abstract
The invention discloses a plate layer sclerotome for department of ophthalmology. The plate layer sclerotome comprises a cutting knife for stripping off the sclera with a right-angle U-shaped cut and a limiting frame which is in sliding clamping connection with the cutting knife with single degree of freedom along the stripping feeding direction and used for limiting the stripping thickness. According to the plate layer sclerotome for the department of ophthalmology, disclosed by the invention, the feeding of the cutting knife can be effectively limited through the limiting frame, the consistent stripping thickness of the sclera can be ensured, the occurrence of rupture situation of the sclera flap can be avoided, the difficulty in surgical operation can be reduced, the operation efficiency can be improved, and the operation quality and the success rate can be further ensured.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, relate in particular to a kind of ophthalmic flaggy sclerectome that can limit eyeball sclera cover thickness.
Background technology
Glaucoma is a kind of ophthalmology common disease and frequently-occurring disease, is primary irreversible blinding oculopathy at ophthalmology.But most morbidity concealments, also acute onset, hazardness is big.Feature is exactly that intraocular pressure interruption or persistence rising cause optic nerve and visual function infringement, show as optic atrophy, constriction of visual field, visual deterioration, can cause permanent losing the sight of both eyes late period, and the part acute glaucoma can cause irreversibility blind after outbreak in a few hours.Trabeculectomy is to treat one of the most frequently used operation of extensively carrying out in the operation for glaucoma at present, generally carry out according to the following steps: 1. do the bulbar conjunctiva lobe, 2. making scleral flap, 3. trabecular resection (peeling off sclera flaggy 1/2 thickness), 4. periphery iridectomize, 5. the stitching scleral flap 6. recovers anterior chamber, 7. stitch ball conjunctiva wound.When wherein carrying out step 3, earlier make the right angle U-shaped otch that the degree of depth is scleral thickness 1/2 at sclera, peel off by artificial hand-held cutter then, and extensively employing is a kind of in the prior art is peeled off sclera with the cutter that the handle of fixedlying connected with it constitutes by flat shovel shape blade, feed is manually controlled by operator fully, not only operation easier is big, influence operation efficient, and be difficult to reach the released part consistency of thickness, sometimes also can cause scleral flap to break, the subsequent operation of influence operation can't guarantee perform the operation quality and success rate.
Therefore, for addressing the above problem, need be improved be used to the cutter of peeling off the eyeball sclera existing, make when peeling off feed and can effectively limit stripping depth, guarantee sclera released part consistency of thickness, avoid the scleral flap situation of breaking to take place, reduce the operation technique difficulty, improve operation efficient, guarantee operation quality and success rate.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of ophthalmic flaggy sclerectome, constituted by cutter and position-limited rack, can effectively limit the feed of cutter by position-limited rack, guarantee sclera cover thickness unanimity, avoid the scleral flap situation of breaking to take place, reduce the operation technique difficulty, improve operation efficient, guarantee operation quality and success rate.
Ophthalmic flaggy sclerectome of the present invention comprises for the cutter that the sclera that cuts out right angle U-shaped otch is peeled off with along peeling off the position-limited rack that machining direction and described cutter single-degree-of-freedom slip clamping are used for limiting cover thickness.
Further, described cutter comprises cutter head and is used for promoting described cutter head to peel off the handle of a knife of sclera; Described cutter head comprise length consistent with right angle U-shaped kerf width and with the corresponding blade that is made as sphere shape of sclera release surface and vertical fixing in blade end and extend upward for the vertical connector of position-limited rack single-degree-of-freedom slip clamping;
Further, described vertical connector is that the plate face of vertically winning in succession and vertically winning in succession of slab construction is parallel to and peels off the machining direction setting;
Further, described position-limited rack comprises the corresponding tabular limiting plate of sphere that is made as with scleral surface; Described limiting plate thickness evenly and along peeling off machining direction is provided with for the bar hole for vertically win in succession insertion and single-degree-of-freedom slip clamping;
Further, described handle of a knife is attached thereto by vertically winning in succession of cutter head and is removable connection;
Further, described handle of a knife comprises and shaft-like push away handle and be fixed in the described handle front end that pushes away and be used for being connected and vertically win in succession and be close to laterally winning in succession of limiting plate end face;
Further, describedly laterally win in succession and vertically win in succession by to the socket clamping;
Further, described vertically winning in succession correspondingly with the blade both ends arranges two, and the bar hole on the corresponding limiting plate also correspondingly one by one arranges two with vertically winning in succession; Two also are fixed with a corresponding transverse slat beam that is made as sphere shape with scleral surface between vertically winning in succession, described transverse slat soffit needs cover thickness consistent to the distance of blade end face with sclera, and the socket of vertically winning in succession is to the distance and limiting plate consistency of thickness of transverse slat top surface of the beam;
Further, the described outside of vertically winning in succession is fixed with wing plate along transverse slat beam place curved surface;
Further, described position-limited rack also comprises the hand holding handle of fixedlying connected with limiting plate.
The invention has the beneficial effects as follows: ophthalmic flaggy sclerectome of the present invention, constituted by cutter and position-limited rack, can effectively limit the feed of cutter by position-limited rack, can guarantee sclera cover thickness unanimity, avoid the scleral flap situation of breaking to take place, reduce the operation technique difficulty, improve operation efficient, guarantee operation quality and success rate.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is the cutter structural representation;
Fig. 2 is spacing shelf structure sketch map.
The specific embodiment
Fig. 1 is the cutter structural representation, Fig. 2 is spacing shelf structure sketch map, as shown in the figure: the ophthalmic flaggy sclerectome of present embodiment, comprise for the cutter 1 that the sclera that cuts out right angle U-shaped otch is peeled off with along peeling off the position-limited rack 2 that machining direction and the 1 single-degree-of-freedom slip clamping of described cutter are used for limiting cover thickness, position-limited rack 2 is consistent with cutter 1 slip access section surface profile and eyeball scleral surface, by making cutter 1 along surface, the slip access section slip feed of position-limited rack 2, can effectively control the sclera cover thickness, interface arrangment can be connected in the positioning checkpoint realization that position-limited rack 2 makes cutter 1 slide along surface, access section single-degree-of-freedom by arranging at cutter 1 to slide, positioning checkpoint can adopt alignment pin or other clamp structures, all can realize the object of the invention.
In the present embodiment, described cutter 1 comprises cutter head 11 and is used for promoting the handle of a knife 12 of described cutter head 11 to peel off sclera; Described cutter head 11 comprise length consistent with right angle U-shaped kerf width and with the corresponding blade 111 that is made as sphere shape of sclera release surface and vertical fixing in blade 111 ends and extend upward for the vertical connector of position-limited rack 2 single-degree-of-freedom slip clampings; The cutter head 11 that operator manually control cutter 1 during use is cut sclera on request and is played cutter, then the corresponding vertical connectors of position-limited rack 2 and machining direction being put in the eyeball scleral surface fixes and makes it and vertical connector single-degree-of-freedom slip clamping, the last operation personnel manually promote handle of a knife 12 makes cutter head 11 peel off sclera along the slip of position-limited rack 2 single-degree-of-freedoms, simple, convenient, be beneficial to and improve operation efficient, guarantee operation quality and success rate.
In the present embodiment, described vertical connector be slab construction vertically win in succession 112 and 112 the plate face of vertically winning in succession be parallel to and peel off the machining direction setting, adopt the vertical connector of plate structure to be convenient to realize the single-degree-of-freedom slip clamping of itself and position-limited rack 2, and syndeton is stable, and it is stuck to be difficult for sideslip.
In the present embodiment, described position-limited rack 2 comprises the corresponding tabular limiting plate of sphere 21 that is made as with scleral surface; Described limiting plate 21 thickness evenly and along peeling off machining direction are provided with for the bar hole 211 for vertically win in succession 112 insertions and single-degree-of-freedom slip clamping; Vertically win in succession 112 insert behind the bar holes 211 can by alignment pin or can with clamp and the limiting plate 21 slip clampings of vertically winning 112 clampings location in succession and being slidingly matched with limiting plate 21 surfaces; Also the handle of a knife 12 of cutter 1 can be made as removable structure with cutter head 11 and handle of a knife 12 is set and be connected with cutter head 11 by 112 parts of stretching out outside the bar hole 211 of vertically winning in succession, pull down handle of a knife 12 after playing cutter, with limiting plate 21 correspondences vertically win in succession 112 and machining direction be put in the eyeball scleral surface and fix, then handle of a knife 12 being connected in vertically wins in succession 112 vertically wins 112 and whole cutter head 11 and limiting plate 21 single-degree-of-freedom slip clampings in succession by making handle of a knife 12 and cooperating of limiting plate 21 surfaces simultaneously, can simplify cutter 1 structure, make it simultaneously to be easy to realize with the slip clamping of limiting plate 21; The position-limited rack 2 of present embodiment can be used for reference the structure of disclosed Position Scale in the patent application 201210137590.3, not only can reduce the sclerectome design and manufacture cost, can also guarantee that sclerectome cuts out right angle U-shaped incision size with patent application 201210137590.3 disclosed operation for glaucoma cuttves and conforms to.
In the present embodiment, described handle of a knife 12 112 is attached thereto and for removable connection by vertically winning in succession of cutter head 11, pull down handle of a knife 12 after playing cutter, with limiting plate 21 correspondences vertically win in succession 112 and machining direction be put in the eyeball scleral surface and fix, handle of a knife 12 is connected in vertically wins in succession then 112 vertically wins 112 and whole cutter head 11 and limiting plate 21 single-degree-of-freedom slip clampings in succession by making handle of a knife 12 and cooperating of limiting plate 21 surfaces simultaneously.
In the present embodiment, described handle of a knife 12 comprise shaft-like push away handle 121 be fixed in described push away handle 121 front ends be used for being connected vertically win in succession 112 and be close to limiting plate 21 end faces laterally win 122 in succession, can make 122 the plate face of laterally winning in succession parallel with limiting plate 21 end faces, rational in infrastructure, can horizontal draw-in groove be set in the opposite direction that 112 correspondences of vertically winning in succession are peeled off machining direction, 122 insert and to realize handle of a knife 12 in these draw-in grooves and vertically to win 112 be connected in succession laterally winning in succession, promotion handle of a knife 12 makes laterally to win in succession and 122 can finish sclera along limiting plate 21 surperficial slips and peel off.
In the present embodiment, described laterally win in succession 122 with vertically win 112 in succession by to the socket clamping, the opposite direction that 112 correspondences of namely vertically winning in succession are peeled off machining direction arranges horizontal draw-in groove, direction and horizontal draw-in groove that 122 correspondences of laterally winning in succession are peeled off feed arrange vertical draw-in groove, by horizontal draw-in groove and vertical draw-in groove to insert is connected realization laterally win in succession 122 with vertically win 112 be connected in succession, can make and laterally win 122 and vertically win in succession and carry out spacingly mutually between 112 in succession, syndeton is stable.
In the present embodiment, described vertically winning in succession 112 correspondingly with blade 111 both ends arranges two, and the bar hole 211 on the corresponding limiting plate 21 also 112 correspondingly one by one arranges two with vertically winning in succession; Two vertically win in succession also is fixed with a corresponding transverse slat beam 13 that is made as sphere shape with scleral surface between 112, described transverse slat beam 13 bottom surfaces need cover thickness consistent to the distance of blade 111 end faces with sclera, 112 socket vertically win in succession to the distance and limiting plate 21 consistency of thickness of transverse slat beam 13 end faces, laterally win in succession on 122 and vertically to win in succession and 112 corresponding two vertical draw-in grooves are set with two; The cutter head 11 structural strength height of present embodiment are difficult for deformed damaged, and stressed even, serviceability is good; Transverse slat beam 13 slides between sclera and limiting plate 21 when peeling off, the thickness of transverse slat beam 13 breaks away from scleral surface limiting plate 21, cause certain influence to peeling off feed path, guarantee to peel off precision for reducing its influence, can be with the thickness that reduces transverse slat beam 13 in allowed band, it is set to superthin structure.
In the present embodiment, described 112 the outside of vertically winning in succession is fixed with wing plate 14 along transverse slat beam 13 place curved surfaces, wing plate 14 is close to U-shaped otch Outboard Sections surface, sclera right angle when peeling off, cutter 1 cover thickness can be further limited by wing plate 14 with contacting of this part scleral surface, the operation precision can be improved.
In the present embodiment, described position-limited rack 2 also comprises the hand holding handle 22 of fixedlying connected with limiting plate 21, is convenient to control and the location of limiting plate 21.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. an ophthalmic flaggy sclerectome is characterized in that: comprise for the cutter that the sclera that cuts out right angle U-shaped otch is peeled off with along peeling off the position-limited rack that machining direction and described cutter single-degree-of-freedom slip clamping are used for limiting cover thickness.
2. ophthalmic flaggy sclerectome according to claim 1 is characterized in that: described cutter comprises cutter head and is used for promoting described cutter head to peel off the handle of a knife of sclera; Described cutter head comprise length consistent with right angle U-shaped kerf width and with the corresponding blade that is made as sphere shape of sclera release surface and vertical fixing in blade end and extend upward for the vertical connector of position-limited rack single-degree-of-freedom slip clamping.
3. ophthalmic flaggy sclerectome according to claim 2 is characterized in that: described vertical connector is that the plate face of vertically winning in succession and vertically winning in succession of slab construction is parallel to and peels off the machining direction setting.
4. ophthalmic flaggy sclerectome according to claim 3, it is characterized in that: described position-limited rack comprises the corresponding tabular limiting plate of sphere that is made as with scleral surface; Described limiting plate thickness evenly and along peeling off machining direction is provided with for the bar hole for vertically win in succession insertion and single-degree-of-freedom slip clamping.
5. ophthalmic flaggy sclerectome according to claim 4 is characterized in that: described handle of a knife is attached thereto by vertically winning in succession of cutter head and is removable connection.
6. ophthalmic flaggy sclerectome according to claim 5 is characterized in that: described handle of a knife comprises and shaft-like push away handle and be fixed in the described handle front end that pushes away and be used for being connected and vertically win in succession and be close to laterally winning in succession of limiting plate end face.
7. ophthalmic flaggy sclerectome according to claim 6 is characterized in that: describedly laterally win in succession and vertically win in succession by to the socket clamping.
8. ophthalmic flaggy sclerectome according to claim 7 is characterized in that: described vertically winning in succession correspondingly with the blade both ends arranges two, and the bar hole on the corresponding limiting plate also correspondingly one by one arranges two with vertically winning in succession; Two also are fixed with a corresponding transverse slat beam that is made as sphere shape with scleral surface between vertically winning in succession, described transverse slat soffit needs cover thickness consistent to the distance of blade end face with sclera, and the socket of vertically winning in succession is to the distance and limiting plate consistency of thickness of transverse slat top surface of the beam.
9. ophthalmic flaggy sclerectome according to claim 8, it is characterized in that: the described outside of vertically winning in succession is fixed with wing plate along transverse slat beam place curved surface.
10. ophthalmic flaggy sclerectome according to claim 9, it is characterized in that: described position-limited rack also comprises the hand holding handle of fixedlying connected with limiting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310097367.5A CN103181842B (en) | 2013-03-25 | 2013-03-25 | Plate layer sclerotome for department of ophthalmology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310097367.5A CN103181842B (en) | 2013-03-25 | 2013-03-25 | Plate layer sclerotome for department of ophthalmology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103181842A true CN103181842A (en) | 2013-07-03 |
| CN103181842B CN103181842B (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310097367.5A Expired - Fee Related CN103181842B (en) | 2013-03-25 | 2013-03-25 | Plate layer sclerotome for department of ophthalmology |
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| CN (1) | CN103181842B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110913809A (en) * | 2017-06-13 | 2020-03-24 | 英福卡斯公司 | Systems, methods, and devices for treating glaucoma |
| CN111110440A (en) * | 2018-10-12 | 2020-05-08 | 北京弘健医疗器械有限公司 | Device for performing scleral surgical procedures |
| CN112998942A (en) * | 2021-02-08 | 2021-06-22 | 青岛大学附属医院 | Combined type pterygium surgical resection device |
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| US5342370A (en) * | 1993-03-19 | 1994-08-30 | University Of Miami | Method and apparatus for implanting an artifical meshwork in glaucoma surgery |
| US6623497B1 (en) * | 1998-08-12 | 2003-09-23 | Vladimir Feingold | Keratome without applanator |
| RU2331393C1 (en) * | 2007-03-13 | 2008-08-20 | Федеральное государственное учреждение "Межотраслевой научно-технический комплекс "Микрохирургия глаза" имени академика С.Н. Федорова Федерального агентства по здравоохранению и социальному развитию" | Knife for performing antiglaucomatous operations |
| US20090247936A1 (en) * | 2008-03-24 | 2009-10-01 | Alcon Research Ltd. | Streamlined ultrasonic device and method of use |
| CN102256572A (en) * | 2008-12-26 | 2011-11-23 | 马尼株式会社 | Medical knife |
| CN202437457U (en) * | 2012-02-19 | 2012-09-19 | 朱鸿 | Novel sclera flap stripping tool |
| CN102697597A (en) * | 2012-05-04 | 2012-10-03 | 中国人民解放军第三军医大学第一附属医院 | Operating knife for glaucoma operation and positioning scale thereof |
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2013
- 2013-03-25 CN CN201310097367.5A patent/CN103181842B/en not_active Expired - Fee Related
Patent Citations (8)
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| US4501274A (en) * | 1981-03-12 | 1985-02-26 | Finn Skjaerpe | Microsurgical instrument |
| US5342370A (en) * | 1993-03-19 | 1994-08-30 | University Of Miami | Method and apparatus for implanting an artifical meshwork in glaucoma surgery |
| US6623497B1 (en) * | 1998-08-12 | 2003-09-23 | Vladimir Feingold | Keratome without applanator |
| RU2331393C1 (en) * | 2007-03-13 | 2008-08-20 | Федеральное государственное учреждение "Межотраслевой научно-технический комплекс "Микрохирургия глаза" имени академика С.Н. Федорова Федерального агентства по здравоохранению и социальному развитию" | Knife for performing antiglaucomatous operations |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110913809A (en) * | 2017-06-13 | 2020-03-24 | 英福卡斯公司 | Systems, methods, and devices for treating glaucoma |
| US11517476B2 (en) | 2017-06-13 | 2022-12-06 | Innfocus, Inc. | Systems, methods, and apparatus for treatment of glaucoma |
| CN110913809B (en) * | 2017-06-13 | 2023-10-03 | 英福卡斯公司 | Systems, methods, and devices for treating glaucoma |
| CN111110440A (en) * | 2018-10-12 | 2020-05-08 | 北京弘健医疗器械有限公司 | Device for performing scleral surgical procedures |
| CN111110440B (en) * | 2018-10-12 | 2022-03-11 | 北京弘健医疗器械有限公司 | Device for performing scleral surgical procedures |
| CN112998942A (en) * | 2021-02-08 | 2021-06-22 | 青岛大学附属医院 | Combined type pterygium surgical resection device |
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| Publication number | Publication date |
|---|---|
| CN103181842B (en) | 2014-12-10 |
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