CN203749684U - Adjustable glaucoma drainage system - Google Patents
Adjustable glaucoma drainage system Download PDFInfo
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- CN203749684U CN203749684U CN201420073948.5U CN201420073948U CN203749684U CN 203749684 U CN203749684 U CN 203749684U CN 201420073948 U CN201420073948 U CN 201420073948U CN 203749684 U CN203749684 U CN 203749684U
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- drainage
- drainage tube
- drain unit
- channel
- tube body
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Abstract
The utility model discloses an adjustable glaucoma drainage system, which comprises a tube body, wherein a cut-through drainage channel is opened inside the tube body, the drainage channel comprises a channel inlet and a channel outlet, a round tube-shaped drainage tube head is disposed nearly to the channel inlet, a drainage tube body is disposed nearly to the channel outlet, at least one first drainage unit is disposed between the drainage tube body and the drainage tube head, a drainage hole is disposed in the first drainage unit, and the drainage hole comprises a drainage inlet communicated with the drainage channel and a drainage outlet communicated with outside of the tube body; and an opening-closing mechanism which controls opening or closing of the drainage hole is also disposed on the first drainage unit. The adjustable glaucoma drainage system in the utility model comprises the drainage hole which can adjust opening and closing states and can adjust the opening-closing degree of the drainage hole in order to adjust filtration volume according to demands after an operation.
Description
Technical field
This utility model relates to ophthalmic medical instrument, relates in particular to a kind of adjustable glaucoma drainage device.
Background technology
Glaucoma is the irreversibility blinding oculopathy of ranking the whole world second, one of main blinding oculopathy of Ye Shi China.Glaucoma is mainly to discharge and freely do not make intraocular pressure raise due to ophthalmic aqueous humor, and finally causes optic atrophy and blind.Glaucomatous treatment divides Drug therapy and operative treatment conventionally, needs operative treatment in the situation that of medicine control poor effect.Therapeutic method of surgery normally flows under conjunctiva ophthalmic aqueous humor by artificial fistulization oral processed, absorb to control intraocular pressure by subconjunctival tissue, current operation for glaucoma has varied, has conventional operation to have the operation such as compound trabeculectomy, Glaucoma Valve implantation.
Conventional operation method is: first open bulbar conjunctiva and expose sclera, make scleral flap, can remove part girder or drainage tube is implanted to anterior chamber, make filtration lobe and maybe filtration valve is fixed on to rear portion sclera.Postoperative formation avascular filtering bleb.These operations all exist postoperative filtrable volume to regulate, and early stage easily occur filtering strong, filter not enough shortcoming late period, and the complicated operation that has of above-mentioned operation, and what have disturbs greatly ophthalmic, and post-operative complication is many.A most crucial difficult problem is postoperative restive to drainage flow, below the shortcoming in above-mentioned operation method is summarized:
1, compound trabeculectomy is simple, ophthalmic is disturbed large, and postoperative complication is higher, although can control postoperative filtrable volume by adjustable suture simultaneously, but its weak effect when strong to filtering;
2, Glaucoma Valve implantation operation is complicated, valve body need to be fixed on to rear portion sclera, and postoperative have a valve body exposure, postoperatively in addition cannot regulate filtrable volume, postoperatively easily occurs filtering strong in early days, and late period, cicatrix parcel caused the shortcoming that filtration is not enough;
3, the operation of glaucoma drain nail implantation is fairly simple, postoperatively cannot regulate filtrable volume, and the conduction hole of postoperative drainage nail easily stops up, and antihypertensive effect at a specified future date is poor.
Utility model content
The technical problems to be solved in the utility model is, a kind of improved adjustable glaucoma drainage device is provided.
This utility model solves the technical scheme that its technical problem adopts: a kind of adjustable glaucoma drainage device is provided, comprise body, in the middle of body, offer the drainage channel of perforation, drainage channel comprises feeder connection and channel outlet, be provided with round tubular drainage tube head near feeder connection place, be provided with drainage tube body near channel exit, between drainage tube body and drainage tube head, be provided with at least one first drain unit, the first drain unit is provided with draining hole, draining hole comprises the drain entrance being connected with drainage channel and exports with the outside drain being communicated with of body, on the first drain unit, be also provided with for controlling that draining hole is opened or closed open-and-close mechanism.
Adjustable glaucoma drainage device of the present utility model, the first drain unit is hollow elliposoidal, drainage channel connects drainage tube head, the first drain unit and drainage tube body.
Adjustable glaucoma drainage device of the present utility model, draining hole is two, is disposed on the sidewall of the first drain unit.
Adjustable glaucoma drainage device of the present utility model, two draining holes are oppositely arranged on the not homonymy of drainage channel.
Adjustable glaucoma drainage device of the present utility model, two draining holes are separately positioned on the major axis two ends of elliposoidal.
Adjustable glaucoma drainage device of the present utility model, the first drain unit is two or more, is arranged on continuously between drainage tube head and drainage tube body.
Adjustable glaucoma drainage device of the present utility model, the length of drainage tube head is 15mm-25mm, and overall diameter is 0.6mm-1.0mm, and interior diameter is 0.3mm-0.7mm.
Adjustable glaucoma drainage device of the present utility model, the external diameter of the first drain unit and drainage tube body is greater than the overall diameter of drainage tube head.
Adjustable glaucoma drainage device of the present utility model, open-and-close mechanism is memory metal shell fragment; Memory metal shell fragment is arranged in the sidewall of the first drain unit, and around draining hole setting.
Adjustable glaucoma drainage device of the present utility model, the first drain unit is silica gel the first drain unit; Or drainage tube head is silica gel drainage tube head, the first drain unit is silica gel the first drain unit, and drainage tube body is silica gel drainage tube body.
Enforcement the beneficial effects of the utility model are: adjustable glaucoma drainage device of the present utility model comprises the draining hole of adjustable opening state, and the postoperative folding degree that can adjust as required draining hole is to regulate filtrable volume.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the overall structure schematic diagram of adjustable glaucoma drainage device in this utility model embodiment;
Fig. 2 is the longitudinal sectional drawing of Fig. 1;
Fig. 3 is the transverse cross-sectional view of the first drain unit in Fig. 1;
Fig. 4 is draining hole and the enlarged diagram of open-and-close mechanism under closure state in Fig. 3;
Fig. 5 is draining hole and the enlarged diagram of open-and-close mechanism under open mode in Fig. 3.
Detailed description of the invention
Understand for technical characterictic of the present utility model, object and effect being had more clearly, now contrast accompanying drawing and describe detailed description of the invention of the present utility model in detail.
As shown in Figure 1, the adjustable glaucoma drainage device in this utility model comprises body 10, offers the drainage channel 20 of perforation in the middle of body 10, and drainage channel 20 comprises feeder connection 21 and channel outlet 22.Drainage tube head 11, the first drain unit 12 and drainage tube body 13 are set on body 10, and drainage channel 20 connects drainage tube head 11, the first drain unit 12 and drainage tube body 13.
Wherein, shown in Fig. 2, drainage tube head 11 is round tubular, is arranged near feeder connection 21 places.The length of drainage tube head 11 is 15mm-25mm, and overall diameter is 0.6mm-1.0mm, and interior diameter is 0.3mm-0.7mm.Preferably, the length of drainage tube head 11 is 20mm, and overall diameter is 0.8mm, and interior diameter is 0.5mm.As selection, drainage tube head 11 is silica gel drainage tube head 11.
Drainage tube body 13 is arranged near channel outlet 22 places.Understandably, drainage tube body 13 can be hollow elliposoidal, and the external diameter of drainage tube body 13 is greater than the overall diameter of drainage tube head 11.As selection, drainage tube body 13 is silica gel drainage tube body 13.
As shown in Figure 1 to Figure 3, the first drain unit 12 is arranged between drainage tube body 13 and drainage tube head 11.The first drain unit 12 is provided with draining hole 121 and open-and-close mechanism 122.Understandably, the first drain unit 12 is provided with at least one.As selection, the first drain unit 12 is two or more, is arranged on continuously between drainage tube head 11 and drainage tube body 13.In the present embodiment, preferably the first drain unit 12 is three.Understandably, the first drain unit 12 is the design of beading sample, makes this device easily fixing in operation, is not easy displacement after operation.As selection, the first drain unit 12 is hollow elliposoidal, and the cross section of the first drain unit 12 is oval.The external diameter of the first drain unit 12 is greater than the overall diameter of drainage tube head 11.Understandably, the horizontal section of the first drain unit 12 is circular outer diameter 5mm, interior diameter 3mm, and vertical section is near oval, the widest overall diameter 5mm, interior diameter 3mm, height is the outer 3mm of being, interior is 1mm.Preferably, the first drain unit 12 is silica gel the first drain unit 12.
Draining hole 121 comprises the drain entrance being connected with drainage channel 20 and exports with the outside drain being communicated with of body 10.Understandably, draining hole 121 is two, is disposed on the sidewall of the first drain unit 12.Further, two draining holes 121 are oppositely arranged on the not homonymy of drainage channel 20.Preferably, two draining holes 121 are separately positioned on the major axis two ends of elliposoidal.
Open-and-close mechanism 122 is opened or closure for controlling draining hole 121.Preferably, open-and-close mechanism 122 is memory metal shell fragment.Memory metal shell fragment is arranged in the sidewall of the first drain unit 12, and arranges around draining hole 121.Open-and-close mechanism 122 and draining hole 121 closure state figure as shown in Figure 4, in the time that drain is not enough, can make its open increase drain by the mode of pressing, become open-and-close mechanism as shown in Figure 5 122 and draining hole 121 open mode figure, drain is crossed when strong and also can it be closed by pressing.
Below in conjunction with as Fig. 1 to Fig. 5, the use of the adjustable glaucoma drainage device in this utility model embodiment being described.
(A) operator wears mask, medicated cap etc., is ready to the aseptic bag of disposable sterilized operation for glaucoma, adjustable glaucoma drainage device;
(B) strict sterilization field of operation;
(C) open aseptic bag, put on sterile gloves, cut off bulbar conjunctiva, expose sclera, the scleral flap of 1/2 thickness that making one 4*5mm angle Gong Yuan is substrate; Make long 1mm tunnel in scleral flap root central authorities with stab knife;
(D) adjustable glaucoma drain tube head is implanted to anterior chamber Nei Yue 2mm by tunnel, sew up scleral flap, drain body tube body is fixed on to rear portion scleral surface with 7-0 silk thread;
(E) layering stitch ball conjunctiva and ball fascia.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under this utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in several improvements and modifications that do not depart under this utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. an adjustable glaucoma drainage device, comprise body (10), in the middle of described body (10), offer the drainage channel (20) of perforation, described drainage channel (20) comprises feeder connection (21) and channel outlet (22), locate to be provided with round tubular drainage tube head (11) near described feeder connection (21), locate to be provided with drainage tube body (13) near described channel outlet (22), it is characterized in that, between described drainage tube body (13) and described drainage tube head (11), be provided with at least one first drain unit (12), described the first drain unit (12) is provided with draining hole (121), described draining hole (121) comprises the drain entrance being connected with described drainage channel (20) and exports with the outside drain being communicated with of described body (10), on described the first drain unit (12), be also provided with for controlling that described draining hole (121) is opened or closed open-and-close mechanism (122).
2. adjustable glaucoma drainage device according to claim 1, it is characterized in that, described the first drain unit (12) is hollow elliposoidal, and described drainage channel (20) connects described drainage tube head (11), the first drain unit (12) and drainage tube body (13).
3. adjustable glaucoma drainage device according to claim 2, is characterized in that, described draining hole (121) is two, is disposed on the sidewall of described the first drain unit (12).
4. adjustable glaucoma drainage device according to claim 3, is characterized in that, two described draining holes (121) are oppositely arranged on the not homonymy of described drainage channel (20).
5. adjustable glaucoma drainage device according to claim 3, is characterized in that, two described draining holes (121) are separately positioned on the major axis two ends of described elliposoidal.
6. according to the adjustable glaucoma drainage device described in claim 1 to 5 any one, it is characterized in that, described the first drain unit (12) is two or more, is arranged on continuously between described drainage tube head (11) and described drainage tube body (13).
7. according to the adjustable glaucoma drainage device described in claim 1 to 5 any one, it is characterized in that, the length of described drainage tube head (11) is 15mm-25mm, and overall diameter is 0.6mm-1.0mm, and interior diameter is 0.3mm-0.7mm.
8. adjustable glaucoma drainage device according to claim 7, is characterized in that, the external diameter of described the first drain unit (12) and described drainage tube body (13) is greater than the overall diameter of described drainage tube head (11).
9. according to the adjustable glaucoma drainage device described in claim 1 to 5 any one, it is characterized in that, described open-and-close mechanism (122) is memory metal shell fragment; Described memory metal shell fragment is arranged in the sidewall of described the first drain unit (12), and arranges around described draining hole (121).
10. adjustable glaucoma drainage device according to claim 9, is characterized in that, described the first drain unit (12) is silica gel the first drain unit (12); Or described drainage tube head (11) is silica gel drainage tube head (11), described the first drain unit (12) is silica gel the first drain unit (12), and described drainage tube body (13) is silica gel drainage tube body (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420073948.5U CN203749684U (en) | 2014-02-20 | 2014-02-20 | Adjustable glaucoma drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420073948.5U CN203749684U (en) | 2014-02-20 | 2014-02-20 | Adjustable glaucoma drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203749684U true CN203749684U (en) | 2014-08-06 |
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ID=51244993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420073948.5U Expired - Fee Related CN203749684U (en) | 2014-02-20 | 2014-02-20 | Adjustable glaucoma drainage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203749684U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105748193A (en) * | 2016-05-25 | 2016-07-13 | 杨勋 | Adjustable glaucoma drainage tube |
| CN106726124A (en) * | 2017-03-03 | 2017-05-31 | 杨勋 | A kind of Glaucoma Drainage pipe that can be quantitatively adjusted by non-invasive methods |
| CN111757718A (en) * | 2017-12-20 | 2020-10-09 | 麦克柔株式会社 | Implanting device for eye diseases for regulating intraocular pressure |
| CN114432034A (en) * | 2021-12-22 | 2022-05-06 | 山东百多安医疗器械股份有限公司 | Degradable polylactic acid glaucoma drainage tube |
| CN115177433A (en) * | 2022-09-13 | 2022-10-14 | 山东百多安医疗器械股份有限公司 | Degradable zinc alloy glaucoma drainage stent |
-
2014
- 2014-02-20 CN CN201420073948.5U patent/CN203749684U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105748193A (en) * | 2016-05-25 | 2016-07-13 | 杨勋 | Adjustable glaucoma drainage tube |
| CN105748193B (en) * | 2016-05-25 | 2018-01-09 | 杨勋 | A kind of adjustable Glaucoma Drainage pipe |
| CN106726124A (en) * | 2017-03-03 | 2017-05-31 | 杨勋 | A kind of Glaucoma Drainage pipe that can be quantitatively adjusted by non-invasive methods |
| CN106726124B (en) * | 2017-03-03 | 2023-08-18 | 杨勋 | Glaucoma drainage tube capable of being quantitatively regulated through non-invasive method |
| CN111757718A (en) * | 2017-12-20 | 2020-10-09 | 麦克柔株式会社 | Implanting device for eye diseases for regulating intraocular pressure |
| CN114432034A (en) * | 2021-12-22 | 2022-05-06 | 山东百多安医疗器械股份有限公司 | Degradable polylactic acid glaucoma drainage tube |
| CN115177433A (en) * | 2022-09-13 | 2022-10-14 | 山东百多安医疗器械股份有限公司 | Degradable zinc alloy glaucoma drainage stent |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20150220 |
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| EXPY | Termination of patent right or utility model |