Non-energy nucleus chopping shovel for chopping nucleus in cataract surgery

Abstract

The nucleus chopping shovel for energy-free nucleus chopping in the cataract surgery comprises a handle, a connecting part and a nucleus chopping shovel part, one end of the connecting part is fixedly connected with the handle, the other end of the connecting part is fixedly connected with the nucleus chopping shovel part, the nucleus chopping shovel part is of a flat strip-shaped arc-shaped structure, and the radian of the arc-shaped structure is in a semi-ellipse shape with a long axis; and the edge of the nucleus chopping shovel part is of an arc chamfer structure. When the nucleus chopping shovel is used, the nucleus chopping shovel with the structure can dive from a surgical incision to a position below a cataract nucleus along a cortex below a posterior capsule to support and support a cataract nucleus block, and the nucleus block is smoothly split through the hedging force of the nucleus chopping shovel and a traditional nucleus chopping hook extending into a side incision, so that nucleus chopping of a cataract surgery is completed under the condition that ultrasonic emulsification matching is not needed; no energy is released in the whole process; the device is novel in structure, remarkable in effect and very suitable for clinical wide popularization and application. Meanwhile, due to the novel structural design, the capsule membrane can be protected from being damaged, and the safety and the success rate of an operation are improved.

Description

Technical Field

[0001] The utility model relates to an instrument for cataract surgery, in particular to a nucleus splitting spatula without energy release during cataract surgery. Background Art

[0002] Nowadays, with the increasing number of cataract patients, cataract surgeries are widely carried out in hospitals at all levels. Currently, there are mainly three methods for cataract surgery: modern extracapsular cataract extraction, manual small incision cataract extraction, and phacoemulsification cataract extraction. Among them, the phacoemulsification cataract surgery technology has been continuously updated and matured since its report. Due to its definite curative effect and mild postoperative reaction, it has become a commonly used minimally invasive surgery method for treating cataracts. Surgeons need to undergo special training. If the operation technique is not proficient or the operation lacks carefulness and meticulousness during the operation, and the coordination of eyes, ears, hands, and feet is not good, more and more serious complications may occur compared with modern extracapsular cataract extraction, such as the damage of the ultrasonic probe and the energy of ultrasonic vibration to the cornea and iris during the operation, posterior capsule rupture, vitreous prolapse, lens nucleus entering the vitreous body, and persistent corneal edema and other complications after the operation.

[0003] At present, the nucleus splitting devices used in phacoemulsification technology have the following deficiencies: (1) The nucleus splitting process needs to be carried out under the cooperation of phacoemulsification. Phacoemulsification has energy release, which causes great damage to some patients with poor corneal endothelium. The phacoemulsification technology is difficult for beginners to master, and serious complications such as inability to split the nucleus and accidental injury to surrounding structures often occur during nucleus splitting. (2) Since the nucleus splitting hook of the nucleus splitting device for cataract surgery needs to extend from the edge of the continuous curvilinear capsulorhexis and cross the equator of the lens, the head end of the nucleus splitting hook will contact the posterior capsule of the lens, and excessive force is likely to cause the rupture of the posterior capsule of the lens. (3) The nucleus splitting hook part of the nucleus splitting device is used to contact the lens and cooperate with the phacoemulsification handle to form an extrusion force to achieve the purpose of splitting the lens into two pieces. For a lens nucleus with high hardness and toughness, it is easy to cause incomplete nucleus splitting or difficulty in splitting the lens nucleus, resulting in an extended operation time. For doctors with less surgical experience, it often increases the occurrence of intraoperative complications. The nucleus splitting devices used in current phacoemulsification technology, such as the nucleus splitting devices with the Chinese utility model patent publication numbers 203943798U and 201005858Y, all have the above-mentioned technical problems.

[0004] Therefore, there is an urgent need for a newly designed instrument for nucleus splitting in cataract surgery, which can complete nucleus splitting without the cooperation of phacoemulsification and without energy release during cataract surgery. Content of the Utility Model

[0005] The utility model aims to provide a nucleus chopping spatula for energy-free nucleus chopping in cataract surgery, which can complete nucleus chopping without energy release in cooperation with phacoemulsification in cataract surgery, and has a completely new structural design.

[0006] To achieve the above-mentioned purpose, the utility model provides a nucleus chopping shovel for energy-free nucleus chopping in cataract surgery, which includes a handle, a connecting portion and a nucleus chopping shovel portion, one end of the connecting portion is fixedly connected to the handle, and the other end of the connecting portion is fixedly connected to the nucleus chopping shovel portion, the nucleus chopping shovel portion is a flat strip-shaped arc structure, the curvature of the arc structure is a semi-elliptical shape with a long axis; the edge of the nucleus chopping shovel portion is an arc chamfered structure.

[0007] Compared with the prior art, the nucleus chopping shovel of the utility model is a flat strip-shaped arc structure, and the curvature of the arc structure is a semi-elliptical shape with a long axis (that is, two identical nucleus chopping shovels can form a complete elliptical ring structure when docked); at the same time, the edge of the nucleus chopping shovel of the utility model is an arc chamfered structure. When in use, the nucleus chopping shovel of the utility model with the above structure can sneak from the surgical incision along the posterior subcapsular cortex to under the cataract nucleus, support and lift the cataract nucleus block, and smoothly chop the nucleus block by offsetting the force with the traditional nucleus chopping hook extending into the side incision, so as to complete the nucleus chopping of cataract surgery without the need for phacoemulsification, and no energy is released throughout the process; and compared with the existing design, the structure of the utility model is novel and has significant effects, and is very suitable for widespread clinical promotion and use. At the same time, the novel structural design of the utility model can protect the capsule from damage, improve the safety and success rate of the operation.

[0008] Preferably, the core splitting shovel part of the utility model is a steel sheet structure.

[0009] Preferably, the core splitting shovel portion of the utility model has a length of 6 mm and a width of 2.5 mm.

[0010] Preferably, the core splitting shovel portion of the utility model is a bendable structure.

[0011] Preferably, the connection between the connecting portion and the core splitting shovel portion of the utility model is a gradually inclined transition structure.

[0012] Preferably, the connecting portion and the core splitting shovel portion of the utility model are an integrated structure.

[0013] Preferably, the connecting portion of the present invention is detachably connected to the handle.

[0014] Preferably, the free end of the core splitting shovel of the utility model is in an arc structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a three-dimensional structural schematic diagram of a nucleus splitting spatula for non-energy nucleus splitting in cataract surgery of the present utility model.

[0016] Figure 2 is Figure 1 Another perspective structural schematic diagram of...

[0017] Figure 3 is Figure 2 Another perspective structural schematic diagram of... Specific embodiments

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present application in combination with specific implementation examples and the accompanying drawings, and elaborate on the technical solutions of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of them. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present application. The following will make a detailed description of the specific implementation manners of the present utility model in combination with the accompanying drawings. Many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below. Now, the embodiments of the present utility model will be described with reference to the accompanying drawings, and like reference numerals in the drawings represent like elements.

[0019] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0020] Such as Figures 1 - 3As shown, the energy-free nucleus chopping shovel 100 used in cataract surgery of the present invention comprises a handle 1, a connecting portion 2 and a nucleus chopping shovel portion 3, one end of the connecting portion 2 is fixedly connected to the handle 1, and the other end of the connecting portion 2 is fixedly connected to the nucleus chopping shovel portion 3. The nucleus chopping shovel portion 3 of the present invention is a flat strip-shaped arc structure, so that the nucleus chopping shovel portion 3 of the utility model has elastic flexibility (that is, it can bend elastically when subjected to force, and can be reset after the force is removed). The arc of the arc structure of the nucleus chopping shovel portion 3 is a semi-elliptical shape with a major axis. The nucleus chopping shovel portion 3 of this structural shape allows the nucleus chopping shovel portion 3 to sneak from the surgical incision along the posterior subcapsular cortex to the cataract nucleus, support and lift the cataract nucleus block and then counteract the force of the existing nucleus chopping hook to smoothly chop the nucleus block; at the same time, the edge 31 of the nucleus chopping shovel portion 3 of the present invention is also an arc chamfered structure, so that the utility model can protect the capsule from damage. As can be seen from the above, the nucleus chopping shovel portion 3 of the utility model is a flat strip-shaped arc structure, and the curvature of the arc structure is a semi-ellipse with a long axis (that is, two identical nucleus chopping shovels can form a complete elliptical ring structure when docked); at the same time, the edge 31 of the nucleus chopping shovel portion 3 of the utility model is an arc chamfered structure. When in use, the nucleus chopping shovel 3 of the utility model with the above structure can sneak from the surgical incision along the posterior subcapsular cortex to under the cataract nucleus, support and lift the cataract nucleus block, and smoothly chop the nucleus block by counteracting the force with the traditional nucleus chopping hook extending into the side incision, so as to complete the nucleus chopping of cataract surgery without the need for phacoemulsification, and no energy is released throughout the process; and compared with the existing design, the structure of the utility model is novel and has significant effects, and is very suitable for widespread clinical promotion and use. At the same time, the novel structural design of the utility model can protect the capsule from damage and improve the safety and success rate of the operation.

[0021] like Figures 1 - 3 As shown, preferably, the core splitting shovel part of the utility model is a steel sheet structure. The core splitting shovel part 3 of the steel sheet structure can further improve the elastic flexibility of the core splitting shovel part 3 and facilitate disinfection and cleaning.

[0022] like Figures 1 - 3 As shown, preferably, the length of the shovel part of the present invention is 6 mm and the width is 2.5 mm. The shovel part 3 of this length and width can be used for cataract surgery in most patients.

[0023] like Figures 1 - 3 As shown, preferably, the core splitting shovel part 3 of the utility model is a bendable structure. The core splitting shovel part 3 is a bendable structure so that the core splitting shovel part 3 will bend adaptively when subjected to force during surgery, avoiding damage to the eye part caused by rigid contact, and further protecting the capsule from damage.

[0024] like Figures 1 - 3As shown, preferably, the connection between the connecting portion 2 and the core splitting shovel portion 3 of the utility model is a gradually inclined transition structure. The connection between the connecting portion 2 and the core splitting shovel portion 3 of the utility model is a gradually inclined transition structure 23, so that there is no sharp part in the connection between the connecting portion 2 and the core splitting shovel portion 3, further protecting the capsule from damage.

[0025] like Figures 1 - 3 As shown, preferably, the connection part 2 and the core splitting shovel part 3 of the utility model are in an integrated structure. The connection part 2 and the core splitting shovel part 3 are in an integrated structure, which is more convenient to manufacture and practical. More specifically, the connection part 2 and the handle 3 of the utility model are detachably connected; the detachable connection between the two is set, so that when the core splitting shovel part 3 needs to be replaced, the original handle 1 can also be used, which saves costs and makes replacement faster and more convenient.

[0026] like Figures 1 - 3 As shown, preferably, the free end 32 of the nucleus splitting shovel 3 of the present invention is in an arc structure; the free end 32 of the nucleus splitting shovel 3 is in an arc structure, which facilitates it to sneak into the subcapsular cortex to the cataract nucleus.

[0027] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, so it is intended to include all changes that fall within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved. At the same time, what is disclosed above is only the preferred embodiment of the utility model, and of course it cannot be used to limit the scope of rights of the utility model. Therefore, equivalent changes made according to the scope of the patent application of the utility model are still within the scope covered by the utility model.

Claims

1. A nucleus splitting spatula for non-energy nucleus splitting in cataract surgery, characterized in that, It includes a handle, a connecting part and a nucleus chopping spatula part. One end of the connecting part is fixedly connected to the handle, and the other end of the connecting part is fixedly connected to the nucleus chopping spatula part. The nucleus chopping spatula part is in a flat strip-shaped arc structure, and the radian of the arc structure is in a semi-elliptical shape with a long axis; the edge of the nucleus chopping spatula part is in a rounded chamfer structure.

2. The nucleus splitting spatula for nucleus splitting without energy in cataract surgery according to claim 1, characterized in that, The nucleus chopping spatula part is in a steel sheet structure.

3. The nucleus chopping spatula for non-energy nucleus chopping in cataract surgery according to claim 1, wherein The length of the nucleus chopping spatula part is 6 millimeters and the width is 2.5 millimeters.

4. The nucleus chopping spatula for nucleus chopping without energy in cataract surgery according to claim 1, characterized in that, The nucleus chopping spatula part is in a bendable structure.

5. The nucleus chopper for non-energy nucleus splitting in cataract surgery according to claim 1, characterized in that, The connection part between the connecting part and the nucleus chopping spatula part is in a gradually inclined transition structure.

6. The nucleus chopper for non - energy nucleus splitting in cataract surgery according to claim 5, wherein, The connecting part and the nucleus chopping spatula part are in an integral structure.

7. The nucleus removal spatula used for nucleus removal without energy in cataract surgery according to claim 1, wherein The connecting part and the handle are detachably connected.

8. The nucleus chopping spatula for non-energy nucleus chopping in cataract surgery according to claim 1, characterized in that, The free end of the nucleus chopping spatula part is in a circular arc structure.

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