CN105342750A - Choroid and iris stitching instrument - Google Patents
Choroid and iris stitching instrument Download PDFInfo
- Publication number
- CN105342750A CN105342750A CN201510847348.9A CN201510847348A CN105342750A CN 105342750 A CN105342750 A CN 105342750A CN 201510847348 A CN201510847348 A CN 201510847348A CN 105342750 A CN105342750 A CN 105342750A
- Authority
- CN
- China
- Prior art keywords
- choroid
- stitching
- iris
- needle
- stitching instrument
- 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.)
- Pending
Links
Landscapes
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Abstract
The invention discloses a choroid and iris stitching instrument which comprises a rod-shaped handle and a stitching needle fixedly connected with the handle. The stitching needle is in the shape of a solid round rod; the length of the stitching needle is 30-40 mm; the diameter of the stitching needle is 0.5-0.6 mm; and a thread hole is formed in the tip of the stitching instrument. The choroid and iris stitching instrument is simple in structure, quick and easy to operate and suitable for stitching various traumatic choroids and irises. Incisions are small, the needle can enter an eye to stitch under a microscope, and stitching accuracy is guaranteed; in addition, operation steps can be reduced obviously, and operation time is shortened; injury on other tissues is reduced; and technical requirements on doctors are reduced relatively. In a word, a powerful technical support is provided for stitching of choroids and irises, and the choroid and iris stitching instrument has a quite important clinical practical significance.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of choroid, iris stitching instrument.
Background technology
Ocular injury can cause choroidal multiple damage, as choroidal serosity or hemorrhagic disengaging, choroidal rupture, choroid dialysis, choroid bullet wound, choroid splitting, the coloboma of choroid, choroid shortening and holes etc.Wherein a part of case develops into choroidal permanent disengaging.Choroidal this damage not only affects the visual function of patient, and the eyeball structure being also unfavorable for hindering eye recovers and intraocular pressure maintenance, and the height of intraocular pressure directly determines and hinders the misfortune that can eye break away from atrophy of eyeball.Different from retina, choroid is histologically containing abundant elastic fibers and collagen fiber.Choroidal histological characteristic determines tela chorioidea once fracture, and elastic fibers bounces back, and makes the choroid cripetura of dialysis be difficult to attach with sclera again.Therefore, the reparation of choroidal injury is both important and unusual stubborn problem in the treatment of ocular injury.
At present, the reparation for traumatic detachment of choroid, shortening, laceration has following several method:
1. biogum bonding, the method is mainly seen in case report, and clinical application effect is not desirable especially, is not promoted.
2. sclera pressurization close the break, the method is mainly applicable to less choroid ceasma.
3. choroid is sewed up fixing, and the method is applicable to the reset of detachment of choroid in a big way, but complicated operation, damage is large, easily brings new complication.This operation is after vitreous excision, determines the scope of choroid dialysis within the eye, and sewed up by scleral surface inserting needle at the sclera of correspondence under illumination, but accurate not.Its weak point is: on the one hand, and it is not easy to operate that the large bending needle that sewing up needs enters ophthalmic, easily causes the damage of its hetero-organization; On the other hand, suture needle needs repeatedly through sclera turnover eyeball, larger to the damage of eyeball.
Meanwhile, iris root is weaker with corpus ciliare junction, and expansion is comparatively nervous, and ocular injury can cause detached peripheral iris.At present, the stitching for detached peripheral iris generally has the following two kinds method:
1. tuberosity sewing, is applicable to the stitching that detached peripheral iris more among a small circle departs from, and complex operation.
2. mattress suture, is applicable to the stitching that detached peripheral iris in a big way departs from.There is following defect in it: performs the operation consuming time; Larger to the tractive of iris; Be easy to damage crystalline lens, iris and corneal endothelium.
Summary of the invention
The object of the invention is the technological deficiency for existing in prior art, and a kind of choroid, iris stitching instrument are provided.
The technical scheme adopted for realizing object of the present invention is:
A kind of choroid, iris stitching instrument, lever-like handle and the sewing needle be fixedly connected with described handle, described sewing needle is that filled circles is shaft-like, and its length is 30-40mm, and diameter is 0.5mm-0.6mm, and the tip of described sewing needle is provided with string holes.
Described sewing needle is long is 35mm, and diameter is 0.6mm.
Described handle is metal material, and long is 8-12cm, and diameter is 6-10mm, and side surface has screw thread to increase friction.
The length of described handle is 10cm, and diameter is 8mm.
Described handle end is provided with screw thread seam, and the link of described sewing needle is provided with thread cavity corresponding with it.
The tip of described sewing needle is positive tetrapyamid shape, and the side of described positive rectangular pyramid and the angle of bottom surface are 25 °-45 °.
The side at described tip and the angle of bottom surface are 30 °.
Compared with prior art, the invention has the beneficial effects as follows:
Choroid of the present invention, iris stitching instrument, structure is simple, simple and quick, is applicable to various traumatic choroid, iris suture.Otch I is sewed up from ophthalmic inserting needle from surgical microscope, ensure that stitching accuracy; In addition, obviously can reduce operating procedure, shorten operating time; Reduce the damage of its hetero-organization; The technical requirement of patient is also reduced relatively.Provide strong technical support for choroid and iris suture in a word, there is very important clinical practice meaning.
Accompanying drawing explanation
Figure 1 shows that the structural representation of choroid of the present invention, iris stitching instrument;
Figure 2 shows that the close-up schematic view shown in Fig. 1.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As Fig. 1, shown in 2, choroid of the present invention, iris stitching instrument, the sewing needle 2 comprising lever-like handle 1 and be fixedly connected with described handle, described sewing needle is that filled circles is shaft-like, its length 30-40mm, preferably, diameter 0.5mm-0.6mm, preferably, the long 35mm of described sewing needle, diameter 0.6mm, the tip 3 of described sewing needle is tetrapyamid shape and described tip is provided with string holes 4, preferably, described string holes is arranged on the center of the isosceles triangle of rectangular pyramid and is circle, described string holes diameter is that the 1.1-1.3 of suture is doubly to penetrate suture smoothly.Wherein, described handle is metal material, long 8-12cm, and preferably, diameter 6-10mm, preferably, described decreased food 10cm, diameter 8mm, side surface has screw thread to increase friction.Specifically, for ease of achieving a fixed connection, described handle end is provided with screw thread seam, and the link of described sewing needle is provided with thread cavity corresponding with it.
Preferably, the side of the positive rectangular pyramid at described tip and the angle of bottom surface are 25 °-45 °, are preferably 30 °.Adopt this angle to arrange with mating of sewing needle diameter, make to be more conducive to penetrate tissue, minimally reduce to tissue damage, and band wire by time reduce to stitching thread to disorganization, ensure sewing effect.
Specifically, 1, tetrapyamid shape tip is sharp keen, is convenient to puncture; 2. because tip is sharp keen, and the seamed edge of rectangular pyramid forms side edge, reduces during puncture to surrounding tissue tractive, avoids the hemorrhage and avulsion of surrounding tissue; 3., when sewing up choroid and iris, often choroid and sclera, iris and sclera have certain distance, and choroid and iris tissue are very soft, scalable, the all directions at tetrapyamid shape tip have puncture dissection, effectively can ensure that disposable putting in place is sewed up in puncture, damage minimum.
Be reset to example with choroid, concrete operating procedure is as follows:
(1) quadrant corresponding to choroidal injury cuts off bulbar conjunctiva along corneoscleral junction, and exposes sclera;
(2) suture draws corresponding rectus;
(3) set up vitreous excision triple channel 23G otch in orbiculus ciliaris, vitreous chamber sets up perfusion, after excising hematophthalmia and other pathological changes, determines the scope of choroid dialysis within the eye under illumination;
(4) handle 1 of choroid iris stitching instrument is screwed up with sewing needle 2, enter vitreous chamber by 23G sleeve pipe;
(5) under throwing light within the eye, the needle point 3 of sewing needle is passed perpendicularly through the choroid edge of disengaging, pass from scleral surface, the hole 4 of exposed needle tip head;
(6) 9-0 suture one end imports pin hole 4 into from scleral surface, then suture needle is return vitreous chamber from Yuan Dao, and suture enters vitreous chamber thereupon, and two terminations of suture are all the time in scleral surface;
(7) again sewing needle needle point 3 is passed perpendicularly through the choroid closing on disengaging, pass outside eye through sclera, involve suture from hole 4, tie a knot with the suture other end, complete one group of stitching;
(8) choroid that used the same method is sewed up, and is reset to ideal until sew up.
Choroid of the present invention, iris stitching instrument, structure is simple, simple and quick, is applicable to various traumatic choroid, iris suture.By creationary size design and structural elements, overcome the working place requirement of conventional stiching instrument, the choroid carried out through this stiching instrument, the operation of iris suture belong to Minimally Invasive Surgery, are in particular in: 1. operate through 20G or 23G otch, namely otch is little; 2. sew up from ophthalmic inserting needle under surgical microscope, ensure that stitching accuracy; 3. sew up owing to being that ophthalmic direct-view is lower, ensure that controllability and the accuracy of needle gage and inserting needle position.4. go out pin from sclera, just threading, therefore organizes outward eye, as conjunctiva, extraocular muscles are harassed little, does not need to carry out chorista on a large scale, reaches accurate therapeutic purposes.In addition, obviously can reduce operating procedure, shorten operating time; Reduce the damage of its hetero-organization; The technical requirement of patient is also reduced relatively.Provide strong technical support for choroid and iris suture in a word, there is very important clinical practice meaning.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. choroid, an iris stitching instrument, is characterized in that, lever-like handle and the sewing needle be fixedly connected with described handle, described sewing needle is that filled circles is shaft-like, its length is 30-40mm, and diameter is 0.5mm-0.6mm, and described tip is provided with string holes.
2. choroid, iris stitching instrument as claimed in claim 1, is characterized in that, described sewing needle is long is 35mm, and diameter is 0.6mm.
3. choroid, iris stitching instrument as claimed in claim 1 or 2, it is characterized in that, described handle is metal material, and long is 8mm-12cm, and diameter is 6mm-10mm, and side surface has screw thread to increase friction.
4. choroid, iris stitching instrument as claimed in claim 3, it is characterized in that, the length of described handle is 10cm, and diameter is 8mm.
5. choroid, iris stitching instrument as claimed in claim 1, it is characterized in that, described handle end is provided with screw thread seam, and the link of described sewing needle is provided with thread cavity corresponding with it.
6. choroid, iris stitching instrument as claimed in claim 1, it is characterized in that, the tip of described sewing needle is positive tetrapyamid shape, and the side of described positive rectangular pyramid and the angle of bottom surface are 25 °-45 °.
7. choroid, iris stitching instrument as claimed in claim 6, it is characterized in that, the side at described tip and the angle of bottom surface are 30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510847348.9A CN105342750A (en) | 2015-11-26 | 2015-11-26 | Choroid and iris stitching instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510847348.9A CN105342750A (en) | 2015-11-26 | 2015-11-26 | Choroid and iris stitching instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105342750A true CN105342750A (en) | 2016-02-24 |
Family
ID=55318922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510847348.9A Pending CN105342750A (en) | 2015-11-26 | 2015-11-26 | Choroid and iris stitching instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105342750A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106859844A (en) * | 2017-03-01 | 2017-06-20 | 遵义医学院附属医院 | A kind of iris knotter and its application method |
| CN109009657A (en) * | 2018-09-10 | 2018-12-18 | 天津医科大学总医院 | A kind of choroid restorer |
| CN112006840A (en) * | 2020-08-13 | 2020-12-01 | 北京清华长庚医院 | Shuttle type choroid suture needle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2543508Y (en) * | 2002-05-14 | 2003-04-09 | 张宗端 | Iris suture needle |
| JP2005007029A (en) * | 2003-06-20 | 2005-01-13 | Me Technica:Kk | Ciliary sulcus guide |
| CN2778242Y (en) * | 2005-03-04 | 2006-05-10 | 王旭 | Stitch needle for iris dialysis |
| CN2870791Y (en) * | 2006-02-05 | 2007-02-21 | 刘桂云 | Ophthalmologic suture needle |
| CN201248800Y (en) * | 2008-09-09 | 2009-06-03 | 付海涛 | Iris diastasis suture needle |
-
2015
- 2015-11-26 CN CN201510847348.9A patent/CN105342750A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2543508Y (en) * | 2002-05-14 | 2003-04-09 | 张宗端 | Iris suture needle |
| JP2005007029A (en) * | 2003-06-20 | 2005-01-13 | Me Technica:Kk | Ciliary sulcus guide |
| CN2778242Y (en) * | 2005-03-04 | 2006-05-10 | 王旭 | Stitch needle for iris dialysis |
| CN2870791Y (en) * | 2006-02-05 | 2007-02-21 | 刘桂云 | Ophthalmologic suture needle |
| CN201248800Y (en) * | 2008-09-09 | 2009-06-03 | 付海涛 | Iris diastasis suture needle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106859844A (en) * | 2017-03-01 | 2017-06-20 | 遵义医学院附属医院 | A kind of iris knotter and its application method |
| CN109009657A (en) * | 2018-09-10 | 2018-12-18 | 天津医科大学总医院 | A kind of choroid restorer |
| CN112006840A (en) * | 2020-08-13 | 2020-12-01 | 北京清华长庚医院 | Shuttle type choroid suture needle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105342750A (en) | Choroid and iris stitching instrument | |
| CN201683937U (en) | Microsurgery needle holder having elbow with scissor | |
| KR101825878B1 (en) | Needle apparatus for reposition surgery of orbital fat | |
| RU2524195C1 (en) | Method for repositioning intraocular lens dislocated together with fibrous-changed capsular bag | |
| JP4872081B2 (en) | Vitreous surgery cannula | |
| CN208769867U (en) | Down-lead device is used in a kind of suture of wound | |
| CN209154633U (en) | It is a kind of for Retinal Detachment Surgery extract film under liquid perform the operation can bending needle | |
| CN205548805U (en) | Ware is sewed up to choroid, iris | |
| CN208823146U (en) | A kind of cataract nucleus crushing device | |
| CN102133142B (en) | Corneal suture nail based on shape memory alloy | |
| Petursson et al. | Repair of an inadvertent buttonhole or leaking filtering bleb | |
| CN203001025U (en) | Neurosurgical deep portion surgery suture needle | |
| CN108078603B (en) | Automatic reset suture needle with wire for laparoscopic surgery | |
| CN214128648U (en) | Shuttle type choroid suture needle | |
| CN108261211A (en) | A kind of separation method of rabbit optic nerve and the method for preparing rabbit optic nerve Crushing injury model | |
| CN204092069U (en) | A kind of peritoneoscope crochet hook assembly | |
| CN203861387U (en) | Posterior chamber intraocular lens with sutures | |
| CN102715967B (en) | Easily planted intraocular lens suspension device | |
| CN201727639U (en) | Dividing sewing needle for root part of iris | |
| CN203425103U (en) | Fish hook type deep soft tissue stitching instrument | |
| CN218961111U (en) | Suture needle | |
| JP2007283063A (en) | Suture needle | |
| Pischel et al. | Retinal detachment cured by an eyeball-shortening operation: Report of a case | |
| CN209422227U (en) | Ophthalmologic operation is combined with needle | |
| CN2543508Y (en) | Iris suture needle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160224 |
|
| WD01 | Invention patent application deemed withdrawn after publication |