CN209172672U - Iris dilator - Google Patents
Iris dilator Download PDFInfo
- Publication number
- CN209172672U CN209172672U CN201821606912.3U CN201821606912U CN209172672U CN 209172672 U CN209172672 U CN 209172672U CN 201821606912 U CN201821606912 U CN 201821606912U CN 209172672 U CN209172672 U CN 209172672U
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- China
- Prior art keywords
- expansion segment
- ring body
- support rod
- expansion
- iris dilator
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Abstract
The utility model discloses a kind of Iris dilator, including ring body and support rod, the support rod is set on the inside of the ring body along the radial direction of the ring body, and its both ends is connect with the ring body, the ring body includes two expansion segments positioned at the support rod two sides, the expansion segment has swelling state and contraction state, when the expansion segment is in swelling state, the expansion segment is arranged in extending out far from the support rod, when the expansion segment is in contraction state, the expansion segment is arranged in inside contracting close to the support rod.In technical solution provided by the utility model, when the expansion segment is in contraction state, the Iris dilator is implanted into human eye, then the expansion segment is made to be converted to swelling state, and make the ring body chimeric with iris, the widened purpose of pupil is realized with the mode of physics, so efficiently realizes pupil expansion, the institutional framework without damaging iris.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of Iris dilators.
Background technique
In some ophthalmologic operations, it is desirable that amplification pupil enables to sufficiently observe eyes inner case, especially eye
The back room part of eyeball.For example, sufficiently amplifying what eye pupil was commonly necessary during cataract and posterior segment surgery, also taking
The foreign matter for being pierced into facies posterior iridis out is also required to amplification pupil etc..But in some cases, the pupil of patient has resistance amplification
The conditioned response of pupil, for example, old operation, new wound and exofoliation syndrome etc., may all prevent pupil from sufficiently amplifying.It is existing
There is the general mechanically actuated using pharmacological method and operation to iris to amplify pupil, if using pharmacological method, it is numerous
In patient, can there are problems that drug can not effectively amplify pupil and patient and have allergic reaction to drug, if it is same using
Amplify pupil by the mechanically operated means performed the operation to iris, can also exist and take time and effort and destroy asking for iris tissue structure
Topic.
Utility model content
The main purpose of the utility model is to provide a kind of Iris dilator, which, which improves, is not being caused
Efficiently mydriatic problem in the case that iris tissue structure is destroyed.
To reach above-mentioned technical purpose, the utility model provides a kind of Iris dilator, comprising:
Ring body, and,
Support rod, the radial direction along the ring body is set on the inside of the ring body, and its both ends is connect with the ring body；
Wherein, the ring body includes two expansion segments positioned at the support rod two sides, and the expansion segment has expansion shape
State and contraction state, when the expansion segment is in swelling state, the expansion segment is arranged in extending out far from the support rod,
When the expansion segment is in contraction state, the expansion segment is arranged in inside contracting close to the support rod.
Preferably, the ring body further includes the connecting section and linkage section for being divided into the support rod both ends, the connecting section
It is connect with described two expansion segments with the linkage section；
It is formed with cavity in the expansion segment, leads in the linkage section equipped with what is be connected to the cavity of described two expansion segments
Road, and the cavity has swelling state and contraction state, when the cavity is in swelling state, the expansion segment is in extend out
And be arranged far from the support rod, when the cavity is in contraction state, the expansion segment is in inside contract and the close support
Bar setting.
Preferably, the Iris dilator further includes conduit, and one end of the conduit is connect with the linkage section, and in it
Chamber is connected to the channel of the linkage section, and the other end of the conduit is equipped with check valve.
Preferably, in the position close to the check valve, the lateral wall of the conduit is equipped with to indicate the expansion segment
Extend out the cue mark in direction.
Preferably, the lateral surface of the connecting section is arranged in cambered surface.
Preferably, the material of the support rod is stainless steel.
Preferably, the material of the ring body is elastomeric polypropylenes.
Preferably, when the expansion segment is in swelling state, the expansion segment is arranged in external convex arc shape.
Preferably, the lateral surface of the ring body is convexly equipped with multiple abutting protrusions along its circumferential direction.
Preferably, at least one in the multiple abutting protrusion is equipped with towing pad.
In technical solution provided by the utility model, when the expansion segment is in contraction state (notch is relatively small),
The Iris dilator is implanted into human eye, the expansion segment is then made to be converted to swelling state, and makes the ring body and iris embedding
It closes, realizes the widened purpose of pupil with the mode of physics, so efficiently realize pupil expansion, the tissue without damaging iris
Structure.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of an embodiment of Iris dilator provided by the utility model, wherein expansion segment is in
Swelling state.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 100 | Iris dilator | 15 | Channel |
| 1 | Ring body | 2 | Support rod |
| 11 | Expansion segment | 3 | Conduit |
| 12 | Connecting section | 4 | Abut protrusion |
| 13 | Linkage section | 41 | Towing pad |
| 14 | Cavity |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of Iris dilator, Fig. 1 is an implementation of Iris dilator provided by the utility model
The schematic diagram of example.
Referring to Fig. 1, in the present embodiment, the Iris dilator 100 includes ring body 1 and support rod 2, the support
Bar 2 is set to 1 inside of ring body along the radial direction of the ring body 1, and its both ends is connect with the ring body 1, wherein the ring body
1 includes two expansion segments 11 positioned at 2 two sides of support rod, and the expansion segment 11 has swelling state and contraction state, when
When the expansion segment 11 is in swelling state, the expansion segment 11 is arranged in extending out far from the support rod 2, when the expansion
When section 11 is in contraction state, the expansion segment 11 is arranged in inside contracting close to the support rod 2.
In technical solution provided by the utility model, when the expansion segment 11 is in contraction state, (notch is relatively
It is small), the Iris dilator 100 is implanted into human eye, the expansion segment 11 is then made to be converted to swelling state, and allow the ring body
1 is chimeric with iris, realizes the widened purpose of pupil with the mode of physics, pupil expansion is so efficiently realized, without damaging
The institutional framework of iris.
It realizes there are many mode of the expansion segment 11 with swelling state and contraction state, can be the expansion segment
11 are made of water imbibition material, and the expansion segment 11 can be converted by contraction state to swelling state after water suction, and can also be please join
Fig. 1 is read, in the present embodiment, the ring body 1 further includes the connecting section 12 and linkage section 13 for being divided into 2 both ends of support rod,
The connecting section 12 and the linkage section 13 are connect with described two expansion segments 11, are formed with cavity in the expansion segment 11
14, the linkage section 13 is interior to be equipped with the channel 15 being connected to the cavity 14 of described two expansion segments 11, and the cavity 14 has
Swelling state and contraction state (can be by injecting gas or liquid into the cavity 14, so that the cavity 14 is by shrinking
State is converted to swelling state), when the cavity 14 is in swelling state, the expansion segment 11 is in extend out and the separate branch
Strut 2 is arranged, and when the cavity 14 is in contraction state, the expansion segment 11 is arranged in inside contracting close to the support rod 2,
So that the cavity 14 is in contraction state in this way, by the Iris dilator 100 from the support rod 2 (support rod 2
Material is stainless steel, and intensity is preferable, is conducive to the Iris dilator 100 being implanted into human eye) with the connecting section 12 (in this reality
It applies in example, the lateral surface of the connecting section 12 is arranged in cambered surface, is can reduce in implantation process in this way caused by human ocular tissues
Injury) one end of connection is implanted into human eye, then the cavity 14 converted by contraction state to swelling state.
Gas or liquid can be injected to the cavity 14, so that the cavity 14 is converted by contraction state to expansion shape
State carries out implant operation for convenience, referring to Fig. 1, in the present embodiment, the Iris dilator 100 further includes conduit 3,
One end of the conduit 3 is connect with the linkage section 13, and its inner cavity is connected to the channel 15 of the linkage section 13, the conduit
3 other end is equipped with check valve.
Further, in the present embodiment, in the position close to the check valve, the lateral wall of the conduit 3 be equipped with to
Indicate that the expansion segment 11 extends out the cue mark in direction so that it is convenient to which the Iris dilator 100 is ajusted and then by institute
It states expansion segment 11 and is converted to swelling state.
When the expansion segment 11 is converted to swelling state, 1 (in the present embodiment, the material of the ring body 1 of ring body
For elastomeric polypropylenes) it is chimeric with iris and pupil is gradually expanded, referring to Fig. 1, in the present embodiment, at the expansion segment 11
When swelling state, the expansion segment 11 is arranged in external convex arc shape, is can reduce during expanding pupil in this way to human ocular tissues
Caused by damage.
Referring to Fig. 1, in the present embodiment, the lateral surface of the ring body 1 is convexly equipped with multiple abutting protrusions 4 along its circumferential direction,
By the multiple setting for abutting protrusion 4, be conducive to effectively contacting between the Iris dilator 100 and human ocular tissues.
Further, referring to Fig. 1, in the present embodiment, at least one in the multiple abutting protrusion 4 is equipped with towing pad
41 so that it is convenient to after the implantation, be adjusted the position of the Iris dilator 100.
The above is only the preferred embodiment of the utility model, it is not intended to limit its scope of the patents, it is all practical using this
Equivalent structure or equivalent flow shift made by novel specification and accompanying drawing content is directly or indirectly used in other relevant skills
Art field, is also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of Iris dilator characterized by comprising
Ring body, and,
Support rod, the radial direction along the ring body is set on the inside of the ring body, and its both ends is connect with the ring body；
Wherein, the ring body includes two expansion segments positioned at the support rod two sides, the expansion segment have swelling state and
Contraction state, when the expansion segment is in swelling state, the expansion segment is arranged in extending out far from the support rod, works as institute
When stating expansion segment and being in contraction state, the expansion segment is arranged in inside contracting close to the support rod.
2. Iris dilator as described in claim 1, which is characterized in that the ring body further includes being divided into the support rod two
The connecting section and linkage section at end, the connecting section and the linkage section are connect with described two expansion segments；
It is formed with cavity in the expansion segment, is equipped with the channel being connected to the cavity of described two expansion segments in the linkage section,
And the cavity have swelling state and contraction state, when the cavity be in swelling state, the expansion segment be in extend out and
It is arranged far from the support rod, when the cavity is in contraction state, the expansion segment is in inside contract and the close support rod
Setting.
3. Iris dilator as claimed in claim 2, which is characterized in that the Iris dilator further includes conduit, described to lead
One end of pipe is connect with the linkage section, and its inner cavity is connected to the channel of the linkage section, and the other end of the conduit is equipped with
Check valve.
4. Iris dilator as claimed in claim 3, which is characterized in that in the position close to the check valve, the conduit
Lateral wall be equipped with to indicate that the expansion segment extends out the cue mark in direction.
5. Iris dilator as claimed in claim 2, which is characterized in that the lateral surface of the connecting section is arranged in cambered surface.
6. Iris dilator as described in claim 1, which is characterized in that the material of the support rod is stainless steel.
7. Iris dilator as described in claim 1, which is characterized in that the material of the ring body is elastomeric polypropylenes.
8. Iris dilator as described in claim 1, which is characterized in that described when the expansion segment is in swelling state
Expansion segment is arranged in external convex arc shape.
9. Iris dilator as described in claim 1, which is characterized in that the lateral surface of the ring body is convexly equipped with more along its circumferential direction
A abutting protrusion.
10. Iris dilator as claimed in claim 9, which is characterized in that at least one in the multiple abutting protrusion is equipped with
Towing pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821606912.3U CN209172672U (en) | 2018-09-29 | 2018-09-29 | Iris dilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821606912.3U CN209172672U (en) | 2018-09-29 | 2018-09-29 | Iris dilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209172672U true CN209172672U (en) | 2019-07-30 |
Family
ID=67360696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821606912.3U Active CN209172672U (en) | 2018-09-29 | 2018-09-29 | Iris dilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209172672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111345937A (en) * | 2020-03-12 | 2020-06-30 | 江苏康视佳医疗器械有限公司 | Integral type iris expander |
-
2018
- 2018-09-29 CN CN201821606912.3U patent/CN209172672U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111345937A (en) * | 2020-03-12 | 2020-06-30 | 江苏康视佳医疗器械有限公司 | Integral type iris expander |
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