CN215960591U - Multifunctional crystalline lens nucleus-splitting forceps - Google Patents
Multifunctional crystalline lens nucleus-splitting forceps Download PDFInfo
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- CN215960591U CN215960591U CN202122191400.3U CN202122191400U CN215960591U CN 215960591 U CN215960591 U CN 215960591U CN 202122191400 U CN202122191400 U CN 202122191400U CN 215960591 U CN215960591 U CN 215960591U
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- 210000000695 crystalline len Anatomy 0.000 title claims abstract description 44
- 210000003128 head Anatomy 0.000 claims abstract description 52
- 238000005452 bending Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 208000012260 Accidental injury Diseases 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 abstract description 3
- 210000001508 eye Anatomy 0.000 description 16
- 208000002177 Cataract Diseases 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 208000035965 Postoperative Complications Diseases 0.000 description 4
- 201000004569 Blindness Diseases 0.000 description 3
- 210000005252 bulbus oculi Anatomy 0.000 description 3
- 230000004393 visual impairment Effects 0.000 description 3
- 239000002775 capsule Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 210000004087 cornea Anatomy 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 206010034960 Photophobia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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Abstract
The utility model relates to a pair of multifunctional crystalline lens nucleus-splitting forceps, which comprises finger handles, an anti-skidding structure, an opening and closing structure, an arc-shaped horizontal part and an arc-shaped head part, wherein the finger handles are divided into a first finger handle and a second finger handle; the arc-shaped horizontal part is opened and closed through the opening and closing structure, the measuring structure for measuring the entering depth is arranged on the arc-shaped horizontal part, the arc-shaped head is connected to one end of the arc-shaped horizontal part, and the length of an instrument used by medical staff to enter a sac membrane of a patient is judged through the arc-shaped horizontal part with the measuring structure and the opening and closing structure, so that accidental injuries to other eye tissues of the patient are reduced; the large lens nucleus can be clamped and split without replacing the instrument, so that the frequency of the instrument entering the eye is reduced.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to multifunctional lens nucleus-splitting forceps.
Background
Cataract is the change of the lens from transparent to turbid, and the primary symptom of cataract is vision loss because the lens is one of refractive interstitium of the eye and the turbid lens can cause vision loss. It is characterized by gradually declining vision without discomfort of eyes such as pain, red eyes, photophobia, foreign body sensation and the like; briefly, the symptoms of cataracts are progressive, painless vision loss.
The existing clinical treatment for cataract mainly takes operative treatment as main treatment; nucleus cleavage of the clouded lens by using existing instruments; however, the area of the front end of the existing instrument is small, the front and back capsular sac of the crystalline lens is easy to be punctured by the tip end, the length of the front end entering the capsular sac can be only operated by experience when the instrument is used, the crystalline nucleus is large and hard in the mature period or the over-mature period of cataract, so that the difficulty of nucleus splitting is increased, the difficulty of splitting a large block of crystalline nucleus is high when the existing instrument is used for nucleus splitting, the times of passing in and out of the eyeball are increased if the instrument is replaced, and the occurrence probability of postoperative complications is increased.
Therefore, the utility model aims at solving the problems that the instrument can measure the depth of the lens entering the eye and easily split the nucleus of the harder lens, and provides the multifunctional lens nucleus-splitting forceps.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the background art, the utility model provides a multifunctional lens nucleus-splitting forceps.
A multifunctional crystalline lens nucleus-splitting forceps comprises a finger handle, an anti-skidding structure, an opening and closing structure, an arc-shaped horizontal part and an arc-shaped head part, wherein the finger handle is divided into a first finger handle and a second finger handle, the first finger handle and the second finger handle are respectively provided with the anti-skidding structure for preventing the instrument from slipping in the operation process, and the first ends of the first finger handle and the second finger handle are respectively connected with the opening and closing structure for opening; the arc-shaped horizontal part is opened and closed through an opening and closing structure, a measuring structure for measuring the entering depth is arranged on the arc-shaped horizontal part, the arc-shaped head part is connected to one end of the arc-shaped horizontal part, and the arc-shaped head part is provided with a bending end which enables the operations of grabbing crystalline lenses, splitting nucleus and the like to be simple; by arranging the arc-shaped horizontal part with the measuring structure, the length of an instrument used by medical staff to enter a sac membrane of a patient is judged when the medical staff performs an operation again, and accidental injury to other eye tissues of the patient is reduced; by arranging the opening and closing structure, the clamping and splitting of the large lens nucleus can be realized without replacing the instrument, and the frequency of the instrument entering the eye is reduced; the use of an arcuate head allows for easy grasping of the lens while simplifying positioning of the intraocular lens.
Further, the first finger handle and the second finger handle are integrally connected, and the first finger handle and the second finger handle are connected in a forked shape, so that the first finger handle and the second finger handle can be automatically reset after the first finger handle and the second finger handle are used for clamping.
Further, the antiskid structure includes: the wire grooves arranged on the outer surfaces of the first finger handle and the second finger handle enhance the friction force between the first finger handle and the outer surface of the second finger handle and prevent the instrument from slipping.
Further, the opening and closing structure includes: the first opening and closing circular plate is connected with the first finger handle, the second opening and closing circular plate is connected with the second finger handle, a stud for connecting the first opening and closing plate and the second opening and closing plate, a first connecting rod and a second connecting rod are respectively connected with the first opening and closing circular plate and the second opening and closing circular plate, the first opening and closing circular plate and the second opening and closing circular plate are provided with a first through hole and a second through hole, the stud penetrates through the first through hole and the second through hole, and the first opening and closing circular plate and the second opening and closing circular plate are rotated by kneading the first finger handle and the second finger handle, so that the first connecting rod and the second connecting rod are opened and closed.
Furthermore, when the first connecting rod and the second connecting rod are opened, the individual shape is a fan-shaped column, and when the first connecting rod and the second connecting rod are combined, the column is formed, so that the size of an eyeball capsulorhexis opening can be reduced, and the incidence rate of postoperative complications is reduced.
Further, the arc-shaped horizontal part is divided into a first arc-shaped horizontal part and a second arc-shaped horizontal part, and the shape of the first arc-shaped horizontal part and the shape of the second arc-shaped horizontal part are the same as the shape of the first connecting rod and the shape of the second connecting rod when the first arc-shaped horizontal part and the second arc-shaped horizontal part are combined.
Furthermore, the connection angle of the first arc-shaped horizontal part and the second arc-shaped horizontal part and the connection part of the first connecting rod and the second connecting rod is 120-140 degrees, so that the first arc-shaped horizontal part and the second arc-shaped horizontal part can better enter the eye capsule.
Furthermore, the bending curvature radius of the first arc-shaped horizontal part and the second arc-shaped horizontal part is 15-25 mm, and is matched with the radian of the surface of the crystalline lens, so that the compression on the crystalline lens can be reduced, the damage to the zonules is reduced, the occurrence of surgical complications is reduced, and the surgical device is suitable for patients with problems in the zonules.
Further, measure the structure for setting up the scale groove on arc horizontal part is one, and scale groove measuring range is 1 ~ 12mm, and this setting enables medical staff to get into the intraocular degree of depth to the apparatus and reads, prevents that the apparatus from stretching into too deeply and causing the damage to other intraocular tissues.
Furthermore, the arc-shaped head part is U-shaped and is divided into a first arc-shaped head part and a second arc-shaped head part, and the first arc-shaped head part and the second arc-shaped head part are respectively connected with the first arc-shaped horizontal part and the second arc-shaped horizontal part.
Furthermore, a first connecting section and a second connecting section are arranged at the joint of the first arc-shaped head part and the second arc-shaped head part and the first arc-shaped horizontal part and the second arc-shaped horizontal part, and the first connecting section and the second connecting section are perpendicular to the first connecting rod and the second connecting rod, so that the occupied area of the first arc-shaped head part and the second arc-shaped head part is increased, and the difficulty in splitting the core is reduced.
Furthermore, the lowest sections of the first arc-shaped head part and the second arc-shaped head part are bent towards the connecting rod, the bending angle between the lowest sections and the connecting rod is 30 degrees, the contact area between the lowest sections and crystalline lenses is increased, and the operations of grabbing the crystalline lenses, splitting nuclei and the like are easy to operate.
Furthermore, the diameters of the first arc-shaped head and the second arc-shaped head are 1.2-1.5 mm, and the size enables the arc-shaped heads to have larger operation space in eyes.
When the cornea cutting device is used, after the cornea is cut by other instruments, the combined arc-shaped head enters the eye through the cut, the entering depth is read according to the scale groove arranged on the first arc-shaped horizontal part, the instrument is prevented from entering the eye too deeply and causing damage to other tissues in the eye of a patient, and after the crystalline lens is split into nucleus, the first finger handle and the second finger handle are kneaded to be crushed or taken out.
The utility model has the beneficial effects that: (1) the crystalline lens can be clamped without replacing instruments by arranging the opening and closing structure; the multifunctional electric appliance has multiple functions; (2) the area of the front section of the instrument in contact with the crystalline lens is increased by arranging the arc-shaped horizontal part and the arc-shaped head part, the pressure on the eyes when the nucleus is split is reduced, and the occurrence of postoperative complications is reduced.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic view of the curvature of the curved horizontal portion of the present invention;
FIG. 3 is a schematic view of the bending angle of the arc-shaped head according to the present invention;
FIG. 4 is a schematic view of a connecting rod assembly according to the present invention;
FIG. 5 is a schematic diagram of a connecting rod according to the present invention in a separated state;
FIG. 6 is a schematic view of an opening and closing structure of the present invention;
in the figure, 1, a finger handle I; 11. a second finger handle; 12. a wire slot; 2. opening and closing the circular plate I; 21. a second opening and closing circular plate; 22. a stud; 23. a first connecting rod; 24. a second connecting rod; 3. the arc-shaped horizontal part I; 31. a second arc-shaped horizontal part; 32. a scale groove; 4. a first arc-shaped head; 41. and connecting the first segment.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below by specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and other advantages and effects of the present invention can be easily understood by those skilled in the art from the disclosure of the present specification. The present invention can be implemented or applied by other different specific embodiments, and the features in the following embodiments and embodiments can be combined with each other without conflict, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, a pair of multifunctional crystalline lens nucleus-splitting forceps comprises a finger handle, an anti-slip structure, an opening and closing structure, an arc-shaped horizontal part and an arc-shaped head part, wherein the finger handle is divided into a first finger handle 1 and a second finger handle 11, the first finger handle 1 and the second finger handle 11 are respectively provided with the anti-slip structure for preventing the instrument from slipping in the operation process, and first ends of the first finger handle 1 and the second finger handle 11 are respectively connected with the opening and closing structure for opening; the arc-shaped horizontal part is opened and closed through an opening and closing structure, a measuring structure for measuring the entering depth is arranged on the arc-shaped horizontal part, the arc-shaped head part is connected to one end of the arc-shaped horizontal part, and the arc-shaped head part is provided with a bending end which enables the operations of grabbing crystalline lenses, splitting nucleus and the like to be simple; by arranging the arc-shaped horizontal part with the measuring structure, the length of an instrument used by medical staff to enter a sac membrane of a patient is judged when the medical staff performs an operation again, and accidental injury to other eye tissues of the patient is reduced; by arranging the opening and closing structure, the clamping and splitting of the large lens nucleus can be realized without replacing the instrument, and the frequency of the instrument entering the eye is reduced; the use of an arcuate head allows for easy grasping of the lens while simplifying positioning of the intraocular lens.
Example 2
Referring to fig. 1, the finger grip is provided on the basis of embodiment 1, the first finger grip 1 and the second finger grip 11 are integrally connected at the second end, and the first finger grip 1 and the second finger grip 11 are bifurcated, and this arrangement is used to automatically reposition the first finger grip 1 and the second finger grip 11 after the gripping using the first finger grip 1 and the second finger grip 11.
The antiskid structure includes: the wire grooves 12 arranged on the outer surfaces of the first finger handle 1 and the second finger handle 11 enhance the friction force of the outer surfaces of the first finger handle 1 and the second finger handle 11 and prevent the instrument from slipping.
Example 3
Referring to fig. 4 to 6, an opening and closing structure is provided on the basis of embodiment 1, and the opening and closing structure includes: the folding device comprises a first folding round plate 2 connected with a first finger handle 1, a second folding round plate 21 connected with a second finger handle 11, a stud 22 used for connecting the first folding round plate and the second folding round plate, and a first connecting rod 24 and a second connecting rod 24 respectively connected with the first folding round plate 2 and the second folding round plate 21, wherein the first folding round plate 2 and the second folding round plate 21 are provided with a first through hole and a second through hole, the stud 22 penetrates through the first through hole, and the first folding round plate 2 and the second folding round plate are rotated by kneading the first finger handle 1 and the second finger handle 11, so that the first connecting rod and the second connecting rod are folded and unfolded.
When the first connecting rod and the second connecting rod are opened, the individual shape is a fan-shaped column, and when the first connecting rod and the second connecting rod are combined, the column is formed, so that the size of an eyeball capsulorhexis opening can be reduced, and the incidence rate of postoperative complications is reduced.
Example 4
Referring to fig. 2 to 3, the arc-shaped horizontal portion is provided on the basis of embodiment 3, the arc-shaped horizontal portion is divided into a first arc-shaped horizontal portion 3 and a second arc-shaped horizontal portion 31, and the individual shape and the combined shape of the first arc-shaped horizontal portion 3 and the second arc-shaped horizontal portion 31 are the same as those of the first connecting rod and the second connecting rod.
The connection angle of the first arc-shaped horizontal part 3 and the second arc-shaped horizontal part 31 with the connection part of the first connecting rod and the second connecting rod is 120-140 degrees, so that the arc-shaped horizontal part can better enter the eye capsule.
The curvature radius of the first 3 arc-shaped horizontal part and the second 31 arc-shaped horizontal part is 15-25 mm, and is matched with the radian of the surface of the crystalline lens, so that the compression on the crystalline lens can be reduced, the damage to the zonules is reduced, the occurrence of surgical complications is reduced, and the surgical device is suitable for patients with problems in the zonules.
The measurement structure is the scale groove 32 of setting on arc horizontal part 3, and scale groove 32 measuring range is 1 ~ 12mm, and this setting enables medical staff to get into the intraocular degree of depth to the apparatus and reads, prevents that the apparatus from stretching into too deeply and causing the damage to other intraocular tissues.
Example 5
Referring to fig. 3 to 5, an arc-shaped head is provided on the basis of embodiment 4, the arc-shaped head is U-shaped and is divided into a first arc-shaped head 4 and a second arc-shaped head, and the first arc-shaped head 4 and the second arc-shaped head are connected to the first arc-shaped horizontal portion 3 and the second arc-shaped horizontal portion 31, respectively.
The first connecting section 41 and the second connecting section are arranged at the joint of the first arc-shaped head part 4 and the second arc-shaped head part and the first arc-shaped horizontal part 3 and the second arc-shaped horizontal part 31, and the first connecting section 41 and the second connecting section are perpendicular to the first connecting rod 23 and the second connecting rod 24, so that the occupied areas of the first arc-shaped head part 4 and the second arc-shaped head part are increased, and the difficulty in nucleus splitting operation is reduced.
The lowest sections of the first arc-shaped head part 4 and the second arc-shaped head part are bent towards the connecting rod, the bending angle between the lowest sections and the connecting rod is 30 degrees, the contact area between the lowest sections and crystalline lenses is increased, and the operations of grabbing the crystalline lenses, splitting nuclei and the like are easy to operate.
The diameters of the first arc-shaped head 4 and the second arc-shaped head are 1.2-1.5 mm, and the size enables the arc-shaped head to have a larger operation space in eyes.
The above description of the embodiments is only for the understanding of the present invention. It should be noted that modifications could be made to the utility model without departing from the principle of the utility model, which would also fall within the scope of the claims of the utility model.
Claims (10)
1. A multifunctional crystalline lens nucleus-splitting forceps comprises a finger handle, an anti-skidding structure, an opening and closing structure, an arc-shaped horizontal part and an arc-shaped head part; the surgical instrument is characterized in that the finger handle is divided into a first finger handle and a second finger handle, anti-slip structures for preventing the instrument from slipping in the surgical process are respectively arranged on the first finger handle and the second finger handle, and first ends of the first finger handle and the second finger handle are respectively connected with an opening and closing structure for opening; the arc-shaped horizontal part is opened and closed through the opening and closing structure, the measuring structure for measuring the entering depth is arranged on the arc-shaped horizontal part, the arc-shaped head is connected to one end of the arc-shaped horizontal part, and the arc-shaped head is provided with a bending end which enables the crystalline lens to be grabbed and enables the nucleus splitting operation to be simple.
2. The multi-functional phaco-cleft nucleus forceps of claim 1, wherein the first finger grip and the second finger grip second end are integrally connected, and the first finger grip and the second finger grip are bifurcated.
3. The multi-functional phaco-cleaving forceps of claim 2, wherein the anti-slip structure comprises: and the wire grooves are arranged on the outer surfaces of the first finger handle and the second finger handle.
4. The multi-functional phaco-cleft nucleus forceps of claim 1, wherein the opening and closing structure comprises: the first opening and closing circular plate is connected with the first finger handle, the second opening and closing circular plate is connected with the second finger handle, studs for connecting the first opening and closing plate and the second opening and closing plate, a first connecting rod and a second connecting rod are respectively connected with the first opening and closing circular plate and the second opening and closing circular plate, and a first through hole and a second through hole are formed in the first opening and closing circular plate and the second opening and closing circular plate and penetrate through the first through hole and the second through hole through the studs.
5. The multi-functional crystalline lens nucleus-splitting forceps of claim 4, wherein the first and second links are shaped as a fan-shaped cylinder when the first and second links are opened, and are shaped as a cylinder when the first and second links are combined.
6. The multifunctional lens nucleus-cleaving forceps according to claim 5, wherein the curved horizontal portion is a first curved horizontal portion and a second curved horizontal portion, and the first curved horizontal portion and the second curved horizontal portion have the same shape as the first link and the second link when combined.
7. The multifunctional lens nucleus-cleaving forceps according to claim 6, wherein a connection angle between the first arc-shaped horizontal portion and the second arc-shaped horizontal portion and a connection position between the first connecting rod and the second connecting rod is 120-140 °, and the bending curvature radius of the first arc-shaped horizontal portion and the second arc-shaped horizontal portion is 15-25 mm and matches with the surface radian of the lens.
8. The multifunctional lens nucleus-splitting forceps according to claim 7, wherein the measuring structure is a scale groove arranged on the first arc-shaped horizontal part, and the measuring range of the scale groove is 1-12 mm.
9. The multifunctional lens nucleus-cleaving forceps according to claim 1, wherein the arc-shaped head portion is U-shaped and is divided into a first arc-shaped head portion and a second arc-shaped head portion, and the first arc-shaped head portion and the second arc-shaped head portion are connected to the first arc-shaped horizontal portion and the second arc-shaped horizontal portion respectively; the connection part of the first arc-shaped head part and the second arc-shaped head part and the first arc-shaped horizontal part and the second arc-shaped horizontal part is provided with a first connection section and a second connection section, and the first connection section and the second connection section are perpendicular to the first connection rod and the second connection rod.
10. The multifunctional lens nucleus-splitting forceps according to any one of claims 4 to 9, wherein the lowest sections of the first arc-shaped head and the second arc-shaped head are bent towards the connecting rod, the bending angle between the lowest sections and the connecting rod is 30 degrees, and the diameters of the first arc-shaped head and the second arc-shaped head are 1.2-1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122191400.3U CN215960591U (en) | 2021-09-10 | 2021-09-10 | Multifunctional crystalline lens nucleus-splitting forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122191400.3U CN215960591U (en) | 2021-09-10 | 2021-09-10 | Multifunctional crystalline lens nucleus-splitting forceps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215960591U true CN215960591U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122191400.3U Active CN215960591U (en) | 2021-09-10 | 2021-09-10 | Multifunctional crystalline lens nucleus-splitting forceps |
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| Country | Link |
|---|---|
| CN (1) | CN215960591U (en) |
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2021
- 2021-09-10 CN CN202122191400.3U patent/CN215960591U/en active Active
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