CN110507477A - A kind of device for the implantation of ophthalmology drainage tube - Google Patents
A kind of device for the implantation of ophthalmology drainage tube Download PDFInfo
- Publication number
- CN110507477A CN110507477A CN201910924263.4A CN201910924263A CN110507477A CN 110507477 A CN110507477 A CN 110507477A CN 201910924263 A CN201910924263 A CN 201910924263A CN 110507477 A CN110507477 A CN 110507477A
- Authority
- CN
- China
- Prior art keywords
- needle
- push rod
- drainage tube
- needle stand
- implantation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002513 implantation Methods 0.000 title claims abstract description 17
- 239000003292 glue Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 7
- 238000001356 surgical procedure Methods 0.000 abstract description 6
- 230000006378 damage Effects 0.000 description 8
- 238000001914 filtration Methods 0.000 description 6
- 208000010412 Glaucoma Diseases 0.000 description 5
- 208000002352 blister Diseases 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 210000002159 anterior chamber Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007460 surgical drainage Methods 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 201000004569 Blindness Diseases 0.000 description 2
- 208000007950 Ocular Hypotension Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010020772 Hypertension Diseases 0.000 description 1
- 208000031354 Hyphema Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 210000001742 aqueous humor Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000003161 choroid Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 210000000795 conjunctiva Anatomy 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004410 intraocular pressure Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 239000003226 mitogen Substances 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000037390 scarring Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/0008—Introducing ophthalmic products into the ocular cavity or retaining products therein
- A61F9/0017—Introducing ophthalmic products into the ocular cavity or retaining products therein implantable in, or in contact with, the eye, e.g. ocular inserts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/00781—Apparatus for modifying intraocular pressure, e.g. for glaucoma treatment
Abstract
The present invention relates to a kind of devices for the implantation of ophthalmology drainage tube, including needle assembly and pushing component, the needle assembly includes needle stand and puncture needle, the needle stand top is provided with a glue groove, the puncture needle is inserted by the top of needle stand, crossing point glue groove is fixed on the top of needle stand, and the needle stand inside sets gradually connecting hole and communicating pipe with puncture needle contact position；The pushing component includes the casing being flexibly connected with the needle stand end and the push rod being arranged in casing, sliding groove is provided in described sleeve pipe, the sliding groove is mutually communicated with the communicating pipe in needle stand, the push rod, which is arranged in one end in casing and is provided with, pushes pin, and described push pin is mutually matched with the connecting hole size.Device of the present invention by setting for the implantation of ophthalmology drainage tube, convenient for drainage tube push is entered surgical procedure region, the method is simple and quick, is easy to implement.
Description
Technical field
The invention belongs to ophthalmic surgical device technical fields, and in particular to a kind of device for the implantation of ophthalmology drainage tube.
Background technique
Glaucoma is global first irreversibility diseases causing blindness, and main harm is that pathologic intraocular hypertension leads to view cream
Head nervous lesion and defect of visual field, if effectively treatment will lead to blindness not in time.Conventional composite trabeculectomy combines mitogen
Mycin is still the treatment most common modus operandi of glaucoma.The success rate of majority glaucoma filtration operation is higher at present, but
For Refractory Glaucoma, channel is effectively filtered since avascular filtering bleb related complication causes to be difficult to set up, success rate is lower.It is common
Avascular filtering bleb related complication include that avascular filtering bleb scarring, postoperative Ocular hypotension, ocular hypotension ARM, avascular filtering bleb seepage are tardy
Property avascular filtering bleb is scorching, adhesion etc. before and after peripheral iris tissue, choroid may occur for early stage after related data shows trabeculectomy
The complication such as exudation, wound leakage, shallow of anterior chamber, hyphema, even if operation success is caused also greatly to destroy ocular knot
Structure, therefore be not ideal therapeutic modality.With medical level and science and technology continuous development, operation for glaucoma gradually to
Minimally invasive mode development is close, come various novel Minimally Invasive Surgeries such as emerge rapidly in large numbersBamboo shoots after a spring rain, wherein drainage device be made of gel rubber material forever
The long soft miniature drainage tube of property reproduces water flow under conjunctiva by connection anterior chamber and subconjunctival space and goes out channel, promotes anterior chamber's aqueous humor
Discharge achievees the effect that reduce intraocular pressure.Treatment method damage is small, and safety and validity are high.
However, the import operation of drainage tube is simultaneously inconvenient, and the propulsion of drainage tube is not when into ophthalmology surgical drainage
Steadily, the precision of operation is impacted, or even patient health can be endangered.Therefore, develop a kind of structure it is simple, convenient for behaviour
Make and device of the movement smoothly for the implantation of ophthalmology drainage tube has important practical significance.
Summary of the invention
The object of the invention is that solve the above-mentioned problems and to provide a kind of structure simple, design a kind of reasonable use
In the device of ophthalmology drainage tube implantation.
The present invention through the following technical solutions to achieve the above objectives:
A kind of device for the implantation of ophthalmology drainage tube, including needle assembly and pushing component, the needle assembly include
Needle stand and puncture needle, the needle stand top are provided with a glue groove, and the puncture needle is inserted by the top of needle stand, and crossing point glue groove is solid
It is scheduled on the top of needle stand, the needle stand inside sets gradually connecting hole and communicating pipe with puncture needle contact position；
The pushing component includes the casing being flexibly connected with the needle stand end and the push rod being arranged in casing, described
Sliding groove is provided in casing, the sliding groove is mutually communicated with the communicating pipe in needle stand, and the push rod is arranged in casing
One end, which is provided with, pushes pin, and described push pin is mutually matched with the connecting hole size.
By using above-mentioned technical proposal, convenient for drainage tube push is entered surgical procedure region, the method is simple and quick, just
In realization
As a further optimization solution of the present invention, the end of described sleeve pipe is provided with guiding cap, the table of the guiding cap
Grooved hole is arranged in face, and the slot position of the guiding cap is additionally provided with guide pad, and the guide pad is led with the push rod surface
It is mutually matched to slot.
By using above-mentioned technical proposal, enable push rod in the sliding groove side of casing upward sliding, and push rod makes
It is more stable with sliding in the process.
As a further optimization solution of the present invention, the surface of the guiding cap is additionally provided with limiting slot, the push rod
Surface is provided with the limited block with the limiting slot corresponding position.
By using above-mentioned technical proposal, so that push rod can avoid pushing away in pushing course in fixed position stop motion
Pushing pin for rod end head setting is moved to the outside of puncture needle, and damages to the sufferer used.
As a further optimization solution of the present invention, sealing is additionally provided between the sliding groove inner wall and the push rod
Circle.
By using above-mentioned technical proposal, resistance to sliding of the push rod in sliding groove is reduced, and avoids push rod in sliding groove
Interior shaking, and then keep the movement of push rod not stable enough, to influence the progress of surgical drainage.
As a further optimization solution of the present invention, when push rod is pushed to the position that limited block and limiting slot contact with each other
When, the distance between end of the end pushed pin and the puncture needle is not less than 1.5mm.
By using above-mentioned technical proposal, avoid in use making sufferer the end for releasing puncture needle of pushing pin
At injury etc..
As a further optimization solution of the present invention, the diameter of the connecting hole is less than the diameter of puncture needle.
It is able to maintain puncture needle in needle stand by using above-mentioned technical proposal to limit to puncture needle
Fixed position, prevents puncture needle to be moved in connecting hole, guarantees the stability of puncture needle in use.
The beneficial effects of the present invention are:
1) device of the present invention by setting for the implantation of ophthalmology drainage tube, convenient for drainage tube push is entered surgical procedure
Region, the method is simple and quick, is easy to implement；
2) present invention makes push rod in the sliding groove of casing by the way that mutually matched casing and push rod are arranged in the apparatus
It is mobile, certain guiding role is played to push rod；
3) present invention keeps sliding of the push rod in sliding groove more stable, enhances the essence of surgical procedure by setting sealing ring
Accuracy；
4) present invention makes pushing pin for push rod end be unlikely to be exposed to the outer of puncture needle by setting limiting slot and limited block
Portion, avoiding pushing pin damages surgical object；
5) the configuration of the present invention is simple, stability is high, and design rationally, is easy to implement.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the schematic diagram of the section structure of the invention；
Fig. 3 is schematic diagram of internal structure of the invention；
Fig. 4 is the enlarged drawing at the position P in Fig. 2；
Fig. 5 is the overall structure figure of the present invention when in use.
In figure: 1, needle stand；2, casing；3, push rod；4, drainage tube；11, puncture needle；12, connecting hole；13, communicating pipe；14,
Point glue groove；21, sliding groove；22, guiding cap；31, it pushes pin；32, sealing ring；33, guide groove；34, limited block；221, guide pad；
222, limiting slot.
Specific embodiment
The application is described in further detail with reference to the accompanying drawing, it is necessary to it is indicated herein to be, implement in detail below
Mode is served only for that the application is further detailed, and should not be understood as the limitation to the application protection scope, the field
Technical staff can make some nonessential modifications and adaptations to the application according to above-mentioned application content.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention；In
In description of the invention, unless otherwise indicated, " multiple ", " several " are meant that two or more.
Embodiment 1
As shown in Figs 1-4, a kind of device for the implantation of ophthalmology drainage tube, including needle assembly and pushing component, it is described
Needle assembly includes needle stand 1 and puncture needle 11, the needle stand 1 be it is coniform, top is provided with a glue groove 14, the puncture needle
11 are inserted by the top of needle stand 1, and crossing point glue groove 14 is fixed on the top of needle stand 1, by injecting ultraviolet light into glue groove 14
Glue keeps puncture needle 11 and needle stand 1 fixed；1 inside of needle stand sets gradually connecting hole 12 with 11 contact position of puncture needle and connects
The pushing component that puncture needle 11 is connect with 1 end of needle stand is connected by siphunculus 13, and the diameter of the connecting hole 12 is less than puncture needle
11 diameter, to limit to puncture needle 11, the fixation position for being able to maintain puncture needle 11 in needle stand 1 prevents from wearing
Pricker 11 is moved in connecting hole 12, guarantees the stability of puncture needle 11 in use.
The pushing component includes the casing 2 being flexibly connected with 1 end of needle stand and the push rod 3 being arranged in casing 2,
Sliding groove 21 is provided in described sleeve pipe 2, the sliding groove 21 is mutually communicated with the communicating pipe 13 in needle stand 1, and the sliding
The diameter of slot 21 is greater than the diameter of communicating pipe 13, and the sliding groove 21 keeps push rod 3 sliding in sliding groove 21 for placing push rod 3
It is dynamic；One end that the push rod 3 is arranged in casing 2, which is provided with, pushes pin 31, and described push pin 31 cooperates with the connecting hole 12,
So that push pin 31 be inserted into connecting hole 12 and enter puncture needle 11 inside, the surface of the push rod 3 is provided with guide groove 33；Institute
The end for stating casing 2 is provided with guiding cap 22, and grooved hole is arranged in the surface of the guiding cap 22, passes through the guiding convenient for push rod 3
Cap 22, the slot position of the guiding cap 22 are additionally provided with guide pad 221, and the guide pad 221 is led with 3 surface of push rod
It is mutually matched to slot 33, enables push rod 3 in 21 side's upward sliding of sliding groove of casing 2, and push rod 3 is slided in use
It moves more stable；The surface of the guiding cap 22 is additionally provided with limiting slot 222, and the surface of the push rod 3 is provided with and the limit
The limited block 34 of 222 corresponding position of slot, by the setting of limited block 34 and limiting slot 222, so that the energy in pushing course of push rod 3
In fixed position stop motion, 31 outsides for being moved to puncture needle 11 of pushing pin for avoiding that 3 end of push rod is arranged, and to the disease used
Trouble damages.
It should be noted that being additionally provided with sealing ring 32 between 21 inner wall of sliding groove and the push rod 3, pass through setting
Sealing ring 32 reduces resistance to sliding of the push rod 3 in sliding groove 21, and avoids push rod 3 from shaking in sliding groove 21, and then make to push away
The movement of bar 3 is not stable enough, to influence the progress of ophthalmology surgical drainage；When push rod 3 is pushed to limited block 34 and limiting slot 222
When the position to contact with each other, it is described push pin 31 end and the puncture needle 11 the distance between end not less than 1.5mm, keep away
Exempt from use to damage sufferer the end for 31 release puncture needles 11 of pushing pin.
As shown in figure 5, making itself and device in use, drainage tube 4 used in operation to be inserted into the inside of puncture needle 11
Interior 31 contacts of pushing pin are exposed to 4 one end of drainage tube outside the device and connect with the scleral tissue at sufferer surgical procedure position,
Push rod 31 is gently pushed, the 31 scleral tissue positions for slowly pushing drainage tube 4 slowly to enter sufferer of pushing pin are made, until the device
When limited block 34 and limiting slot 222 contact, 31 arrival puncture needle, the 11 end position about 1.5mm of pushing pin, drainage tube 4 is immediately from wearing
It falls off in pricker 11, while retracting puncture needle 11, the forward operation of drainage tube 4 can be completed.
Device of the present invention by setting for the implantation of ophthalmology drainage tube enters operation setting convenient for pushing drainage tube 4
Region, the method is simple and quick, is easy to implement；The present invention makes to push away by the way that mutually matched casing 2 and push rod 3 are arranged in a device
Bar 3 moves in the sliding groove 21 of casing 2, and certain guiding role is played to push rod 3；The present invention passes through setting sealing ring 32,
Keep sliding of the push rod 3 in sliding groove 21 more stable, enhances the precision of surgical procedure；The present invention passes through setting limiting slot 222
With limited block 34, makes pushing pin for 3 end of push rod 31 be unlikely to be exposed to the outside of puncture needle 11, avoid 31 pairs of surgical objects of pushing pin
It damages.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (6)
1. a kind of device for the implantation of ophthalmology drainage tube, it is characterised in that: including needle assembly and pushing component, the syringe needle
Component includes needle stand (1) and puncture needle (11), and needle stand (1) top is provided with a glue groove (14), the puncture needle (11) by
The top of needle stand (1) is inserted into, and crossing point glue groove (14) is fixed on the top of needle stand (1), needle stand (1) inside and puncture needle
(11) contact position sets gradually connecting hole (12) and communicating pipe (13)；
The pushing component includes the casing (2) being flexibly connected with the needle stand (1) end and the push rod being arranged in casing (2)
(3), it is provided with sliding groove (21) in described sleeve pipe (2), the sliding groove (21) is mutually passed through with the communicating pipe (13) in needle stand (1)
Logical, one end that the push rod (3) is arranged in casing (2) is provided with push pin (31), (31) and the connecting hole of pushing pin
(12) size is mutually matched.
2. a kind of device for the implantation of ophthalmology drainage tube according to claim 1, it is characterised in that: described sleeve pipe (2)
End be provided with guiding cap (22), grooved hole, the slot position of the guiding cap (22) is arranged in the surface of the guiding cap (22)
It sets and is additionally provided with guide pad (221), the guide pad (221) and the guide groove (33) on the push rod (3) surface are mutually matched.
3. a kind of device for the implantation of ophthalmology drainage tube according to claim 2, it is characterised in that: the guiding cap
(22) surface is additionally provided with limiting slot (222), and the surface of the push rod (3) is provided with position corresponding with the limiting slot (222)
The limited block (34) set.
4. a kind of device for the implantation of ophthalmology drainage tube according to claim 1, it is characterised in that: the sliding groove
(21) it is additionally provided between inner wall and the push rod (3) sealing ring (32).
5. a kind of device for the implantation of ophthalmology drainage tube according to claim 1, it is characterised in that: when push rod (3) pushes away
When moving the position to contact with each other to limited block (34) and limiting slot (222), it is described push pin (31) end and the puncture needle
(11) the distance between end is not less than 1.5mm.
6. a kind of device for the implantation of ophthalmology drainage tube according to claim 1, it is characterised in that: the connecting hole
(12) diameter is less than the diameter of puncture needle (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910924263.4A CN110507477B (en) | 2019-09-27 | Device for implanting ophthalmic drainage tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910924263.4A CN110507477B (en) | 2019-09-27 | Device for implanting ophthalmic drainage tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110507477A true CN110507477A (en) | 2019-11-29 |
| CN110507477B CN110507477B (en) | 2024-05-17 |
Family
ID=
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