CN217366290U - Tear bag location auxiliary device - Google Patents

Abstract

The utility model provides a tear a bag location auxiliary device, including the positioner body, this positioner body includes the cornea position circle and is located the tear a bag position circle of cornea position circle, the cornea position circle is connected through a plurality of link with tearing a bag position circle, the transversal periphery of cornea position circle and the transversal periphery of tearing a bag position circle are concentric setting, it has a plurality of tear a bag setpoint to tear to dye on the terminal surface that the bag position circle is close to the cornea, it tears a bag mark to tear a bag setpoint to dye on the cornea, the setting is aimed at with the corneal limbus to the cornea position circle. The utility model discloses a press gently behind the corneal limbus is aimed at to the cornea position circle, because tear bag position circle and cornea position circle set up for concentric, the event is through tearing a plurality of bag setpoint butts that tear that dye on the bag position circle on the cornea, makes the cornea scribble and dyes the mark of tearing the bag, and the bag mark of tearing that dyes on through the cornea carries out the accuracy and guides and tear the bag, and then reaches low in cost and simple effectual accuracy and guides the beneficial effect who tears the bag.

Description

Tear bag location auxiliary device

Technical Field

The utility model belongs to the technical field of ophthalmology medical instrument, concretely relates to tear bag location auxiliary device.

Background

Cataract is a common and frequently encountered disease in ophthalmology, and the most effective treatment means at present is cataract ultrasonic emulsification aspiration and intraocular lens implantation surgery. One of the important steps of the operation is the continuous annular capsulorhexis, the size, the shape and the continuity of the capsulorhexis greatly influence the subsequent operation steps of ultrasonic emulsification and the like, and more high-end artificial lenses have higher and higher requirements on the size and the centrality of the capsulorhexis.

At present, most hospitals rely on experience and visual size to complete capsulorhexis during cataract surgery, precise capsulorhexis is difficult to achieve, only a few hospitals utilize a microscope navigation system to achieve accurate capsulorhexis guiding, but the microscope navigation system is very expensive in instrument price, high in cost, incapable of being popularized and the like.

Therefore, it is highly desirable for those skilled in the art to develop an inexpensive and effective capsulorhexis positioning aid to achieve precise capsulorhexis guidance.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a tear bag location auxiliary device, when using, aim at the limbus through the cornea position circle and press gently, because tear bag position circle and cornea position circle are concentric setting, so through a plurality of tear bag locating points of scribbling dyeing on the tear bag position circle, scribble the tear bag mark on messenger's cornea, the tear bag mark of scribbling dyeing on through the cornea carries out accurate guide and tears the bag, low in cost and simple effective. And the technical problems that the cost is high and the popularization cannot be realized due to the high price of a microscope navigation system in the prior art are solved.

In order to achieve the purpose, the utility model provides a capsulorhexis positioning auxiliary device, which comprises a positioning device body, wherein the positioning device body comprises a cornea positioning ring and a capsulorhexis positioning ring positioned in the cornea positioning ring, a plurality of connecting frames are arranged between the cornea positioning ring and the capsulorhexis positioning ring, one end of each connecting frame is fixedly connected with the cornea positioning ring, and the other end of each connecting frame is fixedly connected with the capsulorhexis positioning ring; the corneal location ring is characterized in that the cross-sectional circumferential surface of the corneal location ring and the cross-sectional circumferential surface of the capsulorhexis location ring are concentrically arranged, a plurality of capsulorhexis location points are dyed on the end surface of the capsulorhexis location ring close to the cornea, capsulorhexis location points are dyed on the cornea, and the corneal location ring is aligned with the corneal limbus.

Furthermore, the number of the positioning points of the capsulorhexis is a positive integer N, and N is more than or equal to 2 and less than or equal to 20.

Further, the number N of capsulorhexis anchoring points is 4, 6 or 8.

Furthermore, the number of the connecting frames is a positive integer E, and E is more than or equal to 2 and less than or equal to 10.

Further, the number E of the connection frames is 4, 6 or 8.

Furthermore, the diameter of the outer ring of the cross section of the cornea positioning ring is D1, and D1 is more than or equal to 9mm and less than or equal to 12 mm.

Further, the outer ring diameter D1 of the cross section of the cornea locating ring is 9mm, 10mm, 10.5mm, 11mm or 11.5 mm.

Furthermore, the diameter of the inner ring of the cross section of the capsulorhexis positioning ring is D2, and D2 is more than or equal to 5mm and less than or equal to 8 mm.

Further, the inner circle diameter D2 of the capsulorhexis positioning ring cross section is 5mm, 5.5mm, 5.75mm, 6mm, 6.5mm, 7mm or 8 mm.

Further, the positioning device also comprises a holding handle used for moving the positioning device body.

The utility model has the advantages that:

the utility model discloses a press gently behind the corneal limbus is aimed at to the cornea position circle, because tear bag position circle and cornea position circle set up for concentric, the event is through tearing a plurality of bag setpoint butts that tear that dye on the bag position circle on the cornea, makes the cornea scribble and dyes the mark of tearing the bag, and the bag mark of tearing that dyes on through the cornea carries out the accuracy and guides and tear the bag, and then reaches low in cost and simple effectual accuracy and guides the beneficial effect who tears the bag.

Drawings

The following drawings are included to provide a further understanding of the invention, are incorporated in and constitute a part of this application, and are provided for illustrative purposes only and are not intended to limit the scope of the invention. In the drawings:

FIG. 1 is a schematic top view of a capsulorhexis positioning aid in an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view taken along A-A in FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is a schematic top view of a capsulorhexis positioning aid in another embodiment of the present application;

FIG. 5 is a schematic top view of a capsulorhexis positioning aid in another embodiment of the present application

FIG. 6 is a schematic top view of a capsulorhexis positioning aid in another embodiment of the present application.

Reference numerals:

1. a cornea locating ring; 2. a capsulorhexis positioning ring; 20. positioning points of the capsulorhexis; 3. a connecting frame; 4. and (4) holding the handle.

Detailed Description

The following will disclose several embodiments of the present application with drawings, clearly and completely describe the technical solution of the present invention, and a part of the drawings of the specification constituting the present application is used to provide further understanding of the present invention, and the exemplary embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without creative work are included in the scope of the present invention.

It should be noted that, unless the directions indicated are individually defined, the directions of up, down, left, right, etc. referred to herein are based on the directions of up, down, left, right, etc. shown in fig. 1 of the embodiment of the present application, and if the specific posture is changed, the directional indication is changed accordingly. As used herein, the terms "first," "second," and the like, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Further, in the various embodiments of the present disclosure, the same or similar reference numerals denote the same or similar components.

In the present application, the terms "connected" and "fixed" are to be construed broadly and, for example, "connected" may be a fixed connection, a removable connection, or a combination thereof, unless expressly stated or limited otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory to each other or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the scope of the present invention.

Example one

As shown in fig. 1 to fig. 3, a capsulorhexis positioning assisting device in this embodiment includes a positioning device body having a hollow cavity structure, the positioning device body is a columnar structure, and includes a cornea positioning ring 1 and a capsulorhexis positioning ring 2 located in the cornea positioning ring 1; wherein, the cornea position circle 1 is connected fixedly with the capsulorhexis position circle 2 by four link span 3, and the one end body coupling of arbitrary link span 3 is on the inner circle of cornea position circle, and other end body coupling is on the outer circle of capsulorhexis position circle. It is worth noting that the cornea locating ring 1 and the capsulorhexis locating ring 2 are designed in concentric circles, so that accurate centering of the capsulorhexis locating ring can be guaranteed, and further the capsulorhexis locating point 20 is coated on the annular position of the capsulorhexis mark on the cornea.

It should be noted that, the number of the connecting frame and the capsulorhexis positioning point in this embodiment is preferably, but not limited to, four, and may be set to be plural according to practical situations.

By using the technical scheme of the embodiment, firstly, dyeing is carried out on four capsulorhexis positioning points on the end surface of the capsulorhexis positioning ring by using a sterile cornea marker pen; then, aligning the cornea locating ring to the corneal limbus, lightly pressing, and dyeing the cornea to form an annular capsulorhexis mark; thirdly, taking down the capsulorhexis positioning auxiliary device; finally, the capsulorhexis is accurately guided by the capsulorhexis mark dyed on the transparent cornea during capsulorhexis, and the capsulorhexis guiding device has the advantages of low manufacturing cost, simplicity and effectiveness.

Example two

As shown in fig. 4, a difference between the present embodiment and the present embodiment is that the number of the connecting frame 3 and the capsulorhexis positioning point 20 in the present embodiment is six, preferably, but not limited to, six, and the number of the connecting frame and the capsulorhexis positioning point may be set to be different according to actual situations, for example, 4 connecting frames and 6 capsulorhexis positioning points.

As shown in fig. 4, the outer ring diameter of the cross section of the corneal ring in this embodiment preferably, but not limited to, D1 has the following values according to the diameter of adult cornea and the diameter of child cornea: d1 is more than or equal to 9mm and less than or equal to 12 mm. Further the outer ring diameter D1 of the cross section of the corneal ring is preferably 9mm, 10mm, 10.5mm, 11mm or 11.5 mm. Further, the diameter of the inner circle of the cross section of the capsulorhexis positioning ring in the embodiment is preferably, but not limited to, the value of D2: d2 is more than or equal to 5mm and less than or equal to 8 mm. Specifically, the inner diameter D2 of the cross section of the capsulorhexis positioning ring in the embodiment is 5mm, 5.5mm, 5.75mm, 6mm, 6.5mm, 7mm or 8 mm.

EXAMPLE III

As shown in fig. 5, a difference between this embodiment and this embodiment is that the number of the connecting frame 3 and the capsulorhexis positioning points 20 in this embodiment is 8, preferably, but not limited to, 8, and the connecting frame and the capsulorhexis positioning points may be set to different numbers according to actual situations, for example, 4 connecting frames, 8 capsulorhexis positioning points or 6 connecting frames, and 8 capsulorhexis positioning points.

Example four

As shown in fig. 6, the present embodiment is different from the first embodiment in that the capsulorhexis positioning assisting device in the present embodiment further comprises a holding handle 4 for moving the positioning device body, and the capsulorhexis positioning assisting device is used through the holding handle, so that the corneal positioning ring is aligned with the corneal limbus.

In summary, this application embodiment is aimed at the corneal limbus through the cornea position circle and is pressed gently, because tear a bag position circle and cornea position circle be concentric setting, so through tearing a plurality of tear a bag locating point butt that scribble the dyeing on the bag position circle on the cornea, make the cornea scribble and dye tear a bag mark, the tear a bag mark that scribbles through the cornea carries out the accurate guidance and tears the bag, and then reaches low in cost and simple effectual accurate beneficial effect who guides to tear the bag.

While the above description shows and describes the preferred embodiments of the application, it is to be understood, as noted above, that the application is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments, and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the subject matter disclosed above, as determined by the teachings or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims (10)

1. A capsulorhexis positioning auxiliary device comprises a positioning device body, and is characterized in that the positioning device body comprises a cornea positioning ring and a capsulorhexis positioning ring positioned in the cornea positioning ring, a plurality of connecting frames are arranged between the cornea positioning ring and the capsulorhexis positioning ring, one end of each connecting frame is fixedly connected with the cornea positioning ring, and the other end of each connecting frame is fixedly connected with the capsulorhexis positioning ring;

the corneal location ring is characterized in that the cross-sectional circumferential surface of the corneal location ring and the cross-sectional circumferential surface of the capsulorhexis location ring are concentrically arranged, a plurality of capsulorhexis location points are dyed on the end surface of the capsulorhexis location ring close to the cornea, capsulorhexis location points are dyed on the cornea, and the corneal location ring is aligned with the corneal limbus.

2. The capsulorhexis positioning auxiliary device of claim 1, wherein the number of capsulorhexis positioning points is a positive integer N, and N is greater than or equal to 2 and less than or equal to 20.

3. The capsulorhexis positioning aid of claim 2, wherein the number N of capsulorhexis positioning points is 4, 6 or 8.

4. The capsulorhexis positioning aid of claim 1, wherein the number of connecting frames is a positive integer E, E is 2 ≦ E ≦ 10.

5. A capsulorhexis positioning aid as claimed in claim 4, wherein the number E of attachment brackets is 4, 6 or 8.

6. The capsulorhexis positioning aid of claim 1, wherein the outer circle diameter of the corneal positioning ring cross section is D1, and then D1 is 12 mm.

7. The capsulorhexis positioning aid of claim 6, wherein the outer circle diameter D1 of the corneal ring cross-section is 9mm, 10mm, 10.5mm, 11mm, or 11.5 mm.

8. The capsulorhexis positioning auxiliary device as claimed in claim 1, wherein the diameter of the inner circle of the cross section of the capsulorhexis positioning ring is D2, and then D2 is more than or equal to 5mm and less than or equal to 8 mm.

9. The capsulorhexis positioning aid of claim 8, wherein the capsulorhexis positioning ring has a cross-sectional inner circle diameter D2 of 5mm, 5.5mm, 5.75mm, 6mm, 6.5mm, 7mm, or 8 mm.

10. The capsulorhexis positioning aid of claim 1, further comprising a gripping handle for moving the positioning device body.

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