CN203029465U - Iris fixing device - Google Patents
Iris fixing device Download PDFInfo
- Publication number
- CN203029465U CN203029465U CN 201220735094 CN201220735094U CN203029465U CN 203029465 U CN203029465 U CN 203029465U CN 201220735094 CN201220735094 CN 201220735094 CN 201220735094 U CN201220735094 U CN 201220735094U CN 203029465 U CN203029465 U CN 203029465U
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- China
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- fixed part
- iris
- slide core
- shank
- fixation device
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Abstract
The utility model discloses an iris fixing device which comprises a handle, a slide core and a fixing part. A slide cavity is arranged in the handle. The slide core is slidably disposed in the slide cavity. The arc-ring-shaped fixing part is located at the front end of the slide core and provided with a first end and a second end. At least the first end is connected with the front end of the slide core. A recessed fixing face is disposed on the outer side of the fixing part. By the iris fixing device, a pupil can be expanded effectively, and damage to eye tissues during operation can be reduced.
Description
Technical field
The invention belongs to medical instruments field, be specifically related to a kind of iris fixation device.
Background technology
In ophthalmic diagnosis and treatment, need the operation visual field fully, especially operate for cataractopiesis or the ophthalmology such as vitrectomy that relate to the optical fundus, big pupil and the stable iris that loose provides sufficient surgical field of view, finish the necessary guarantee of ophtalmic treatments smoothly, but, pathologic microcoria or synechia usually can appear for the patient with diseases such as iridocyclitis, glaucoma, diabetes, be difficult to the diffusing big pupil of medicine; For the patient of the lax syndrome of iris, iris waves in the anterior chamber, influences operation technique, easily accidentally injures the ophthalmic normal structure, causes severe complications, the clinical efficacy of influence treatment.
Be used at present enlarging pupil and fixedly the method for iris mainly contain: inject viscoelastic agent in the anterior chamber and enlarge directly that pupil, iris tension force cut, multiple spot iris sphincter is cut off etc., existing method enlarges pupil and fixedly the effect of iris is limited, and easily cause bleeding and inflammatory reaction, cause pupil to owe circle and sphincter pupillae is torn, cause the postoperative pupil shape irregular or be tension-free state.
Also the someone adopts the elasticity iris hooks to enlarge pupil, but iris hooks also has the following disadvantages: 1, iris hooks is to the single-point tractive at iris edge, that draws back is limited in scope, and drag hook must accurately be positioned respectively on the orthogonal warp, could form comparatively ideal pupil shape like this, otherwise the shape that will be rectangle, trapezoidal etc. twisted causes unnecessary sphincter pupillae damage, can't effectively enlarge surgical field of view.2, need place 3-4 iris hooks even manyly just can finish at the cut-out of limbus corneae of different azimuth, not only prolong the time of performing the operation but also the damage that has increased operative incision source property.
Summary of the invention
Based on this, the invention reside in the defective that overcomes prior art, a kind of iris fixation device is provided, the present invention can effectively enlarge pupil, reduces in the operation process damage to part tissue of eye.
Its technical scheme is as follows:
A kind of iris fixation device, comprise shank, slide core and fixed part, has sliding cavity in the shank, what slide core was slided is arranged in the sliding cavity, fixed position is in the front end of slide core, and curved round, and fixed part has first end and second end, at least the first end is connected with the front end of slide core, and the outside of fixed part has the stationary plane of indent.
Its further technical scheme is:
Second end of described fixed part is unsettled.
Perhaps, second end of described fixed part is connected with the front end of described slide core simultaneously.
Perhaps, second end of described fixed part is connected with the front end of described shank.
The inboard of described fixed part also is provided with the stationary plane of indent.
In described fixed part, be provided with the fluid passage with exterior, be provided with the liquid outlet that communicates with fluid passage at described fixed part.
A kind of iris fixation method, this method comprises the steps:
A, shank is pushed the iris pupil edge;
B, slide core is advanced with respect to the shank forward end, fixed part opens, and the stationary plane of fixed part struts iris;
C, carry out operated eye, operation finishes, and slide core is slipped in the sliding cavity, and fixed part folds the back and takes out.
In the step C, import infusion liquid or visco-elastic material by the fluid passage of fixed part to eye.
Advantage or principle to the aforementioned techniques scheme describes below:
1, before operation process, slide core is slided to the back-end with respect to shank, and fixed part shrinks in the sliding cavity, during operation, shank is pushed the iris pupil edge, again slide core is advanced with respect to the shank forward end, and fixed part is opened, the stationary plane of fixed part struts iris, surgical field of view is open, has reduced the damage to part tissue of eye, and operation finishes, slide core is slipped in the sliding cavity, fixed part folds the back and takes out again.
2, the structure of fixed part can be following three kinds: second end of described fixed part is unsettled, and perhaps, second end of described fixed part is connected with the front end of described slide core simultaneously, and perhaps, second end of described fixed part is connected with the front end of described shank.
3, in described fixed part, be provided with fluid passage with exterior, can import infusion liquid or visco-elastic material to eye by this fluid passage, need not to enter the anterior chamber repeatedly from main otch, thereby make anterior chamber and capsule bag more stable, reduce the traction force to apparatus suspensorius lentis.
Description of drawings
Fig. 1 is the structure chart of the embodiment of the invention described one described iris fixation device;
Fig. 2 is in the embodiment of the invention described one described iris fixation device, the sectional view of fixed part;
Fig. 3 is the structure chart of the embodiment of the invention described two described iris fixation devices;
Fig. 4 is the structure chart of the embodiment of the invention described three described iris fixation devices;
Description of reference numerals:
10, shank, 20, slide core, 30, fixed part, 31, stationary plane, 32, fluid passage, 33, liquid outlet.
The specific embodiment
Below embodiments of the invention are elaborated:
Embodiment one
As shown in Figure 1 and Figure 2, a kind of iris fixation device, comprise shank 10, slide core 20 and fixed part 30, have sliding cavity in the shank 10, what slide core 20 was slided is arranged in the sliding cavity, and fixed part 30 is positioned at the front end of slide core 20, and curved round, fixed part 30 has first end and second end, and first end is connected with the front end of slide core 20, and the outside of fixed part 30 has the stationary plane 31 of indent.
Wherein, second end of described fixed part 30 is unsettled, is provided with the fluid passage 32 with exterior in described fixed part 30, is provided with the liquid outlet 33 that communicates with fluid passage 32 at described fixed part 30.
The iris fixation method that present embodiment adopts comprises the steps:
A, shank 10 is pushed the iris pupil edge; B, slide core 20 is advanced with respect to shank 10 forward end, fixed part 30 opens, and the stationary plane of fixed part 30 31 struts iris; C, carry out operated eye, operation finishes, and slide core 20 is slipped in the sliding cavity, and fixed part 30 folds the back and takes out.
In the step C, can import infusion liquid or visco-elastic material to eye by the fluid passage 32 of fixed part 30.
Present embodiment has following advantage:
1, before operation process, slide core 20 is slided to the back-end with respect to shank 10, and fixed part 30 shrinks in the sliding cavity, during operation, shank 10 is pushed the iris pupil edge, again slide core 20 is advanced with respect to shank 10 forward end, and fixed part 30 is opened, the stationary plane 31 of fixed part 30 struts iris, surgical field of view is open, has reduced the damage to part tissue of eye, and operation finishes, slide core 20 is slipped in the sliding cavity, fixed part 30 folds the back and takes out again.
2, in described fixed part 30, be provided with fluid passage 32 with exterior, can import infusion liquid or visco-elastic material to eye by this fluid passage 32, need not to enter the anterior chamber repeatedly from main otch, thereby make anterior chamber and capsule bag more stable, reduce the traction force to apparatus suspensorius lentis.
Embodiment two
As shown in Figure 3, in the present embodiment, second end of described fixed part 30 is connected with the front end of described slide core 20 simultaneously.
Embodiment three, and as shown in Figure 4, in the present embodiment, second end of described fixed part 30 is connected with the front end of described shank 10.
The above embodiment has only expressed the specific embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (5)
1. iris fixation device, it is characterized in that, comprise shank, slide core and fixed part, have sliding cavity in the shank, what slide core was slided is arranged in the sliding cavity, and fixed position is in the front end of slide core, and curved round, fixed part has first end and second end, and at least the first end is connected with the front end of slide core, and the outside of fixed part has the stationary plane of indent.
2. according to the described iris fixation device of claim 1, it is characterized in that second end of described fixed part is unsettled.
3. according to the described iris fixation device of claim 1, it is characterized in that second end of described fixed part is connected with the front end of described slide core simultaneously.
4. according to the described iris fixation device of claim 1, it is characterized in that second end of described fixed part is connected with the front end of described shank.
5. according to each described iris fixation device in the claim 1 to 4, it is characterized in that, in described fixed part, be provided with the fluid passage with exterior, be provided with the liquid outlet that communicates with fluid passage at described fixed part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735094 CN203029465U (en) | 2012-12-27 | 2012-12-27 | Iris fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735094 CN203029465U (en) | 2012-12-27 | 2012-12-27 | Iris fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203029465U true CN203029465U (en) | 2013-07-03 |
Family
ID=48681614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220735094 Withdrawn - After Issue CN203029465U (en) | 2012-12-27 | 2012-12-27 | Iris fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203029465U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103126803A (en) * | 2012-12-27 | 2013-06-05 | 中山市人民医院 | Iris fixing device and iris fixing method |
-
2012
- 2012-12-27 CN CN 201220735094 patent/CN203029465U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103126803A (en) * | 2012-12-27 | 2013-06-05 | 中山市人民医院 | Iris fixing device and iris fixing method |
| CN103126803B (en) * | 2012-12-27 | 2014-12-31 | 李乃洋 | Iris fixing device and iris fixing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130703 Effective date of abandoning: 20141231 |
|
| RGAV | Abandon patent right to avoid regrant |