CN212730136U - Ceramic scalpel for astigmia correction - Google Patents

Abstract

The ceramic scalpel for correcting the astigmatism comprises a scalpel head and a scalpel handle, wherein the scalpel head comprises a scalpel tip, a scalpel edge clamp and a scalpel tail; the tool nose is the top end of the tool bit, and the cutting edge is a conical structure which extends from the tool nose to two sides to form double-sided edge sharpening; the blade clamp is of a sheet structure, and the upper end surface of the blade clamp is of a straight structure extending from the tail end of the conical structure along two sides; the knife tail is connected to the lower end of the knife edge clamp and used for being connected with the knife handle. The utility model discloses with the degree of depth and the width of cutting edge card control puncture, consequently the in-process is convenient for control to cut degree of depth and width cutting to guarantee the accuracy nature that the astigmatism was corrected.

Description

Ceramic scalpel for astigmia correction

Technical Field

The utility model belongs to the technical field of the scalpel and specifically relates to a ceramic scalpel is corrected to astigmatism.

Background

At present, cataract surgery has entered the refractive age, and the requirement of patients on postoperative visual quality is higher and higher. However, more than 90% of cataract patients combine corneal astigmatism at present, and if the astigmatism is not corrected after cataract operation, the postoperative vision quality is poor, and the life quality of the patients is seriously influenced. The limbal keratolysis is an astigmatism correction surgery with simple operation, high cost effectiveness and remarkable effect, and can be performed in combination with cataract surgery. However, none of the scalpels currently used in limbal keratolysis is specifically designed for limbal keratolysis, the depth of the corneal keratolysis cut cannot be controlled, and the uniformity of the entire cut depth is poor, which leads to the problems of inaccurate astigmatic correction and poor postoperative visual quality.

SUMMERY OF THE UTILITY MODEL

According to the deficiency in the above prior art, the utility model discloses the problem that solves is: provides a surgical knife for limbus keratolysis incision with a specific structure, in particular to a ceramic surgical knife for astigmatism correction.

The technical scheme of the utility model as follows:

the ceramic scalpel for correcting the astigmatism comprises a scalpel head and a scalpel handle, wherein the scalpel head comprises a scalpel tip, a scalpel edge clamp and a scalpel tail; the tool nose is the top end of the tool bit, and the cutting edge is a conical structure which extends from the tool nose to two sides to form double-sided edge sharpening; the blade clamp is of a sheet structure, and the upper end surface of the blade clamp is of a straight structure extending from the tail end of the conical structure along two sides; the knife tail is connected to the lower end of the knife edge clamp and used for being connected with the knife handle.

Further, the tool bit and the tool handle are detachably connected.

Furthermore, the head end of the knife handle is of a cross four-petal structure, a cross slot is formed, and the knife tail is inserted into the slot.

Furthermore, the cross four-petal structure of the head end extends upwards and is clamped with the loose nut, the loose nut is located on the periphery of the head end, and the position of the loose nut on the cross four-petal structure is changed by rotating the loose nut, so that the opening and closing of the cross slot are changed.

Further, the jam nut is opened when rotated clockwise and closed when rotated counterclockwise.

Further, the knife handle also comprises a knife handle finger holding part positioned at the lower end of the cross four-petal structure, and the knife handle finger holding part is provided with a horizontal spiral anti-skidding structure.

Furthermore, the knife handle also comprises a knife handle main body positioned at the lower end of the knife handle holding part, and the knife handle main body is thickened relative to the knife handle holding part.

Further, the surface of the tool holder main body is of a frosted design.

Further, the blade card is a circular sheet structure.

Further, the tool bit is made of a zirconium oxide or an aluminum oxide material.

The utility model discloses a but not limited to following beneficial effect: the depth and the width of the puncture are controlled by the blade card, so that the depth and the width of the incision are conveniently controlled in the incision process, and the accuracy of astigmatism correction is ensured; the tool bit is detachable and replaceable, and the tool handle can be repeatedly used after being sterilized, so that the cost is reduced, the medical burden of a patient is relieved, and medical waste is reduced; the surgical knife made of the ceramic material has good biocompatibility, corrosion resistance, wear resistance and high sharpness.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments and the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other similar technical solutions or design solutions can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of an astigmatism correcting ceramic scalpel provided by the present invention;

FIG. 2 is a schematic view of the knife head of the astigmatism correcting ceramic scalpel provided by the present invention;

fig. 3 is the utility model provides a ceramic scalpel handle structure sketch map is corrected to astigmatism.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

The following are detailed descriptions of the respective embodiments.

As shown in fig. 1-3, an astigmatism correcting ceramic scalpel comprises a scalpel head 1 and a scalpel handle 2, wherein the scalpel head 1 comprises a scalpel tip 3, a scalpel edge 4, a scalpel edge clamp 5 and a scalpel tail 6; the tool nose 3 is the top end of the tool bit 1, and the cutting edge 4 extends from the tool nose 3 to two sides to form a conical structure with two-sided edge cutting; the blade clamp 5 is of a sheet structure, and the upper end face of the blade clamp 5 is of a straight structure extending from the tail end of the conical structure along two sides; the knife tail 6 is connected to the lower end of the knife edge clamp 5 and used for being connected with the knife handle 2. During the use process, the knife tip and the knife edge cut into the sclera of the eyeball to perform the release incision, and the knife edge has a specific length; the blade card can control the depth and width of the incision; the vertical distance from the tool nose to the clamped midpoint of the tool edge is the cutting depth (different from 300 to 900 micrometers); a tool tip with different cutting depths is used for astigmatism with different degrees.

Further, the tool bit 1 and the tool handle 2 are detachably connected.

Furthermore, the head end 7 of the knife handle 2 is of a cross four-petal structure, a cross slot is formed, and the knife tail 6 is inserted into the slot.

Furthermore, the cross four-petal structure of the head end 7 extends upwards and is clamped with the loose nut 8, the loose nut 8 is located on the periphery of the head end 7, and the position of the loose nut 8 on the cross four-petal structure is changed by rotating, so that the opening and closing of the cross slot are changed. The four-petal-shaped cross-shaped slot clamps the knife tail by rotating the loose nut.

Further, the turnbuckle 8 is turned clockwise to be opened and turned counterclockwise to be closed.

Further, the knife handle 2 further comprises a knife handle finger holding part 9 (a part for holding the knife handle by fingers) positioned at the lower end of the cross-shaped four-petal structure, and the knife handle finger holding part 9 is of a horizontal spiral anti-slip structure. The friction force is increased through the spiral patterns, so that the use safety is improved.

Further, the tool holder 2 further comprises a tool holder main body 10 located at the lower end of the tool holder holding portion 9, and the tool holder main body 10 is thickened relative to the tool holder holding portion 9. Adopts the thickened handle design, and accords with human engineering mechanics.

Further, the surface of the knife handle main body 10 is frosted, so that the holding is comfortable.

Further, the blade card 5 is of a circular sheet structure.

Further, the tool bit 1 is made of a zirconia or alumina material.

The foregoing is a more detailed description of the present patent with reference to specific preferred embodiments, and the patent is not to be considered as limited to the specific embodiments described herein. To those skilled in the art to which this patent pertains, several simple deductions or substitutions may be made without departing from the spirit of the patent, which shall be deemed to belong to the protection scope of the patent.

Claims (10)

1. The ceramic scalpel for correcting astigmatism comprises a scalpel head and a scalpel handle, and is characterized in that the scalpel head comprises a scalpel tip, a scalpel edge clamp and a scalpel tail; the tool nose is the top end of the tool bit, and the cutting edge is a conical structure which extends from the tool nose to two sides to form double-sided edge sharpening; the blade clamp is of a sheet structure, and the upper end surface of the blade clamp is of a straight structure extending from the tail end of the conical structure along two sides; the knife tail is connected to the lower end of the knife edge clamp and used for being connected with the knife handle.

2. The ceramic astigmatic correcting scalpel of claim 1, wherein the blade and the handle are removably attached.

3. The ceramic surgical knife for astigmatic correction according to claim 2, wherein the head end of the knife handle has a cross-shaped four-lobe structure, and is formed with a cross-shaped slot into which the blade tail is inserted.

4. The ceramic astigmatic surgical knife of claim 3, wherein the cross-lobed configuration of the head end extends upwardly and engages a turnbuckle located at the periphery of the head end to vary the position of the turnbuckle on the cross-lobed configuration by rotating the turnbuckle, thereby varying the opening and closing of the cross-slot.

5. The astigmatic correcting ceramic scalpel of claim 4, wherein the turnbuckle nut is turned clockwise to open and turned counter-clockwise to close.

6. The ceramic astigmatic surgical knife of claim 3, wherein the handle further includes a handle finger grip at a lower end of the cross-shaped four-lobed configuration, the handle finger grip having a horizontal spiral anti-slip configuration.

7. The ceramic astigmatic surgical knife of claim 6, wherein the handle further includes a handle body at a lower end of the handle finger grip, the handle body being thickened relative to the handle finger grip.

8. The astigmatic correcting ceramic scalpel of claim 7, wherein the handle body surface is a frosted design.

9. The ceramic astigmatic correcting scalpel of claim 1, wherein the blade clip is a rounded sheet-like structure.

10. The astigmatic correcting ceramic scalpel according to claim 1, wherein the blade is made of zirconia or alumina material.

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