Ophthalmologic operation impression

Abstract

The utility model relates to an ophthalmologic operation impression which comprises an impression mechanism which comprises an impression disc, a through hole formed in the center of the impression disc and a plurality of impression protrusions formed on the outer end face of the impression disc and rotationally symmetrical about the center of the impression disc. The free end of each impression bulge is arc-shaped; an included angle is formed between the handle and the inner end face of the impression disc, and the included angle ranges from 40 degrees to 50 degrees; and one end of the adapter rod is connected with the inner end face of the impression disc, and the other end of the adapter rod is connected with the end part of the handle. And the curvature radius of the keratosclera can be well adapted, and the operation quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical apparatus and instruments, and particularly relates to a dental impression, and particularly relates to an ophthalmic surgery dental impression. BACKGROUND

[0002] The small-incision dental impression is a medical apparatus and instrument specially used for ophthalmic surgery, and is mainly used for precisely marking the incision part to ensure the accuracy of the operation; the small-incision dental impression is usually made of 0Cr18Ni9 stainless steel or TC4 titanium alloy to ensure the durability and biocompatibility of the apparatus. The handle of the existing small-incision dental impression is usually installed on the side surface of the dental impression and forms an inclination angle of 30° with the end surface, which may cause the dental impression to produce unevenly deep and shallow impressions when the operator uses the dental impression due to uneven force. SUMMARY

[0003] The utility model aims at overcoming the defects of the prior art and provides an ophthalmic surgery dental impression.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of an ophthalmic surgery dental impression, which comprises:

[0005] A dental impression mechanism, which comprises a dental impression disc, a through hole arranged at the center of the dental impression disc, and a plurality of dental impression protrusions formed on the outer end surface of the dental impression disc and rotationally symmetrical about the center of the dental impression disc; the free end of each dental impression protrusion is arc-shaped;

[0006] A handle, which forms an included angle with the inner end surface of the dental impression disc, and the included angle is 40-50°;

[0007] An adapter rod, one end of which is connected to the inner end surface of the dental impression disc and the other end of which is connected to the end of the handle.

[0008] Optimally, the included angle is 45°.

[0009] Further, the dental impression mechanism further comprises a plurality of marking lines arranged on the inner end surface of the dental impression disc and rotationally symmetrical about the center of the dental impression disc, and the plurality of marking lines correspond one-to-one to the plurality of dental impression protrusions.

[0010] Still further, the plurality of dental impression protrusions are arranged at equal intervals, and each two adjacent dental impression protrusions have a containing space.

[0011] Optimally, the adapter rod comprises a first connecting segment, a second connecting segment and a third connecting segment connected in sequence, one end of the first connecting segment is connected to the inner end surface of the dental impression disc, one end of the third connecting segment is connected to the end of the handle, and the second connecting segment is an arc segment.

[0012] Further, the handle comprises a handle rod, an adapter integrally formed at an end of the handle rod and gradually reduced in diameter outward, and an anti-skid structure provided on a peripheral surface of the handle rod and adjacent to the adapter, and one end of the third connecting segment is connected with a free end of the adapter.

[0013] Due to the use of the above technical scheme, the ophthalmic surgery impression of the utility model has the following advantages compared with the prior art: on one hand, the angle between the handle and the inner end surface of the impression disc is set to 40-50°, which makes the stress point of the impression closer to the center of the impression while not blocking the line of sight of the surgical microscope, and compared with the conventional 30° angle, the stress of the impression is more uniform, and the phenomenon of one side deep and one side shallow is not easy to occur; on the other hand, the free end of each impression protrusion is arc-shaped, which can well adapt to the radius of curvature of the cornea, and improve the operation quality. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Fig. 1 is a structural schematic view of the ophthalmic surgery impression of the utility model;

[0015] Figure 2 Fig. 2 is a structural schematic view of another perspective of the ophthalmic surgery impression of the utility model;

[0016] Figure 3 Fig. 3 is a partial enlarged view of Figure 2 Fig. 4 is a partial enlarged view of DETAILED DESCRIPTION

[0017] The utility model will be further described below in combination with the embodiments shown in the drawings.

[0018] As shown in Figs. 1-4, the ophthalmic surgery impression mainly comprises an impression mechanism 1, an adapter rod 2, a handle 3 and the like. Figure 1 Figure 2 As shown in Figs. 1-4, the ophthalmic surgery impression mainly comprises an impression mechanism 1, an adapter rod 2, a handle 3 and the like.

[0019] The impression mechanism 1 comprises an impression disc 11, an impression protrusion 12 and a through hole 15 and the like. Among them, the impression disc 11 is roughly in the form of a thin disc. The through hole 15 is provided at the center of the impression disc 11, and the diameter thereof is 4-5mm (the pupil diameter of human eye is about 2.5-4mm, and thus the diameter of the through hole 15 is preferably 4mm), so that the user can observe the pupil of the patient while using the impression, and the pupil center can be conveniently aligned through the through hole 15; in the embodiment, a cross-shaped marker can be additionally installed at the through hole 15, so that the impression can be quickly and accurately aligned with the pupil center.

[0020] ​The mold protrusions 12 (may also be referred to as mold lines) have multiple rows (may be routinely selected according to actual needs, preferably 12-16 rows), which are formed (usually integrally formed) on the outer end surface (i.e. the surface facing the eyeball during use) of the mold disc 11 and are rotationally symmetric about the center of the mold disc 11, so that the mold protrusions 12 are uniformly distributed in a radial pattern. Due to the equidistant arrangement of the multiple rows of mold protrusions 12, there is a receiving space 13 between adjacent two rows of mold protrusions 12. The free end 121 (i.e. the side facing the eyeball) of each row of mold protrusions 12 is arc-shaped, thereby contacting the cornea and adapting to the radius of curvature of the cornea, allowing the mold lines to be uniformly distributed around the pupil and improving the quality of the surgery. In this embodiment, the mold mechanism 1 further comprises multiple rows of score lines 14 formed on the inner end surface (i.e. the surface facing the user) of the mold disc 11 and rotationally symmetric about the center of the mold disc 11, the number of score lines 14 is the same as the number of mold protrusions 12 so that the multiple rows of score lines 14 correspond one-to-one to the multiple rows of mold protrusions 12, so that the user can easily know the specific position of the mold protrusions 12 through the score lines 14, which is beneficial for accurate positioning.

[0021] The handle 3 and the inner end surface of the mold disc 11 form an included angle of 40-50° (preferably 45°); and the connection between the handle 3 and the mold disc 11 is achieved through the adapter rod 2, one end of the adapter rod 2 being connected to the inner end surface of the mold disc 11 and the other end being connected to the end of the handle 3. The connection point of the adapter rod 2 and the mold disc 11 is located on the upper end surface of the mold disc 11, and in combination with the aforementioned included angle, the force point of the mold can be made closer to the center of the mold without blocking the line of sight of the surgical microscope; the 40-50° inclination angle makes the force of the mold more uniform compared to the conventional 30° inclination angle, and is less likely to produce a phenomenon of one side being deep and the other side being shallow.

[0022] In this embodiment, the adapter rod 2 comprises a first connecting section 21, a second connecting section 22 and a third connecting section 23 connected end to end, one end of the first connecting section 21 being connected to the inner end surface of the mold disc 11, one end of the third connecting section 23 being connected to the end of the handle 3, and the second connecting section 22 being an arc-shaped section, so that the first connecting section 21 and the third connecting section 23 are smoothly connected. The handle 3 comprises a grip rod 31, an adapter portion 32 (i.e. the adapter portion 32 is generally a cone) integrally formed at the end of the grip rod 31 and gradually decreasing in diameter outward, and an anti-slip structure 33 (the anti-slip structure 33 comprises multiple rows of anti-slip grooves or anti-slip bosses arranged at intervals) formed on the peripheral surface of the grip rod 31 and adjacent to the adapter portion 32, one end of the third connecting section 23 being connected to the free end of the adapter portion 32.

[0023] Through the above improvement of the conventional mold, the problem of requiring the mold to be "flat, straight and stable" in microsurgical eye surgery is effectively solved, the quality of the surgery is improved, and the possibility of postoperative glare is reduced.

[0024] The above examples are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. An ophthalmic surgical impression, characterized in that it The application relates to a stamping mechanism (1) comprising a stamping disc (11), a through hole (15) arranged at the center of the stamping disc (11), and a plurality of stamping convexes (12) arranged on the outer end surface of the stamping disc (11) and rotationally symmetrical about the center of the stamping disc (11); the free end (121) of each stamping convex (12) is arc-shaped. An angle (40-50 DEG) is formed between the handle (3) and the inner end surface of the stamping disc (11). An adapter rod (2) is connected to the inner end surface of the stamping disc (11) at one end and connected to the end of the handle (3) at the other end. The angle is 45 DEG.

2. The ophthalmic surgical impression of claim 1, wherein: The stamping mechanism (1) further comprises a plurality of scribe lines (14) arranged on the inner end surface of the stamping disc (11) and rotationally symmetrical about the center of the stamping disc (11), and the plurality of scribe lines (14) correspond to the plurality of stamping convexes (12) one by one.

3. The ophthalmic surgical impression of claim 1 or 2, wherein: The plurality of stamping convexes (12) are arranged at equal intervals, and each two adjacent stamping convexes (12) have a containing space (13) therebetween.

4. The ophthalmic surgical impression of claim 3, wherein: The adapter rod (2) comprises a first connecting section (21), a second connecting section (22) and a third connecting section (23) connected end to end, one end of the first connecting section (21) is connected to the inner end surface of the stamping disc (11), one end of the third connecting section (23) is connected to the end of the handle (3), and the second connecting section (22) is an arc-shaped section.

5. The ophthalmic surgical impression of claim 1, wherein: The handle (3) comprises a holding rod (31), an adapter (32) integrally formed at the end of the holding rod (31) and gradually decreasing in diameter outward, and an anti-skid structure (33) arranged on the peripheral surface of the holding rod (31) and adjacent to the adapter (32), and one end of the third connecting section (23) is connected to the free end of the adapter (32).

6. The ophthalmic surgical impression of claim 5, wherein: ​

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