Stripper for ophthalmologic operation

Abstract

The utility model discloses an ophthalmologic operation detacher, and relates to the field of ophthalmologic operation auxiliary equipment. The operating head comprises a hard limiting part and a soft stripping part which are both of a hollow structure, the soft stripping part is of a sheet-shaped structure, the soft stripping part is communicated with an inner cavity of the hard limiting part, and a bent elastic sheet is arranged in the hard limiting part in a sliding mode; the handheld mechanism is connected with the connecting part of the hard limiting part and is provided with a pulling mechanism, the pulling end of the pulling mechanism extends into the hard limiting part to be connected with the bent elastic piece, and the pulling mechanism is used for pushing and pulling the bent elastic piece to enter and exit from the soft stripping part; the bent elastic sheet is in a plane state in the hard limiting part, and the bent elastic sheet is in a curved surface state in the soft stripping part; the problems that a vitreous cutting head and intraocular tweezers of an existing intraocular membrane stripping device have no radian and are not easily inserted into a gap between a proliferation membrane and a retina, and secondary injury is easily caused are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ophthalmic operation auxiliary equipment field, specifically speaking, is an ophthalmic operation peeling device. BACKGROUND

[0002] The retina front proliferative membrane is often seen in retinal detachment, serious eye injury, intraocular foreign body, proliferative diabetic retinopathy and other diseases, seriously affects vision, vitrectomy is the main treatment method of the retina front proliferative membrane, and the proliferative membrane is completely peeled off through the operation to restore the vision function of the patient and reduce the blindness rate.

[0003] But the existing intraocular membrane peeling device glass cutting head and intraocular forceps have no arc, and it is not easy to insert the space between the proliferative membrane and the retina, and the pulling of the forceps can easily cause secondary damage to the retina, and the use is very inconvenient. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of ophthalmic operation peeling devices, to solve the problem that the existing intraocular membrane peeling device glass cutting head and intraocular forceps have no arc, not easy to insert the space between the proliferative membrane and the retina, easy to cause secondary damage.

[0005] To solve the above problems, the utility model adopts the following technical means:

[0006] An ophthalmic operation peeling device, comprising:

[0007] The working head includes a hard limiting portion and a soft peeling portion, both of which are hollow structures. The soft peeling portion is in a sheet structure and is in communication with the internal cavity of the hard limiting portion. A curved elastic sheet is slidably arranged in the hard limiting portion.

[0008] The hand-held mechanism is connected to the joint portion of the hard limiting portion and is configured with a pulling mechanism. The pulling end of the pulling mechanism extends into the hard limiting portion and is connected to the curved elastic sheet. The pulling mechanism is used to push and pull the curved elastic sheet in and out of the soft peeling portion.

[0009] The curved elastic sheet is in a planar state in the hard limiting portion, and in a curved surface state in the soft peeling portion.

[0010] As a preferred, the hard limiting portion includes a joint pipe as the joint portion. The top end of the joint pipe is connected to a limiting block with the same horizontal area as the soft peeling portion. The curved elastic sheet is accommodated in the limiting block. The pulling end of the pulling mechanism extends through the joint pipe and is connected to the curved elastic sheet in the limiting block.

[0011] Further, the soft peeling part is an elastic sleeve parallel to the hard limiting part.

[0012] Further, the hand-held mechanism comprises a hollow grip rod connected with the hard limiting part, the pulling mechanism comprises a slider as a driving end and a pull rod as a pulling end, the pull rod is coaxially arranged in the hollow grip rod, the top end of the pull rod extends into the hard limiting part and is connected with the curved elastic sheet, and the slider is used for driving the pull rod to move back and forth along the axis of the pull rod.

[0013] Further, the side surface of the hollow grip rod is provided with a displacement port, the slider comprises a horizontal slide rod slidingly arranged in the displacement port, the bottom end of the horizontal slide rod is vertically connected with the pull rod, one end of the horizontal slide rod extending out of the displacement port is provided with an operation sheet, one side of the operation sheet facing the hollow grip rod is provided with an inlaid groove, and the outer side wall of the hollow grip rod is provided with a clamping block, when the operation sheet is displaced to the two limit positions, the clamping block is clamped and positioned with the inlaid groove.

[0014] Further, the connecting part of the hard limiting part extends towards the inside of the hollow grip rod, the pull rod is slidingly arranged in the connecting part, the side wall of the connecting part is provided with a displacement groove, the side wall of the pull rod is provided with a horizontal driving rod extending out of the displacement groove, and the slider is connected with the driving rod.

[0015] In the process of use, the utility model has the following beneficial effects:

[0016] The operation head is stretched into the gap between the proliferative membrane and the retina, in the state of the operation head being stretched in, the curved elastic sheet is contracted in the hard limiting part, at this time, the hardness of the soft peeling part in the input direction is utilized to accurately stretch into the position needing to be peeled. Then the pulling mechanism is operated, the curved elastic sheet is pushed into the soft peeling part by the pushing of the pulling mechanism, at this time, the curved elastic sheet is released from the limiting, restores the curved arc under the action of the elastic force, and makes the soft peeling part deform to generate a certain curved arc. Thus the peeling operation is facilitated. After the peeling is completed, the operation head needs to be taken out, the pulling mechanism is operated again, the curved elastic sheet is withdrawn from the soft peeling part and is received in the hard limiting part, thus the soft peeling part restores the original state under the action of the restoring force, is horizontal with the hard limiting part, and keeps the operation head in the straight state, thus the operation head is conveniently withdrawn from the peeling position. In this way, the operation head is in the straight state in the stage of the operation head entering and exiting the peeling position, and the secondary injury is avoided. When the peeling operation is performed, the soft peeling part can also be changed into the curved state, and the peeling operation can be performed with quality guarantee. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1This is a schematic diagram of the first state structure of this utility model.

[0018] Figure 2 This is a schematic diagram of the structure of the present invention in the peeled state.

[0019] Figure 3 for Figure 1 A frontal view of the structure.

[0020] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure of AA.

[0021] Figure 5 for Figure 4 A schematic diagram of the structure in the peeled state.

[0022] Figure 6 for Figure 1 A side view structural diagram.

[0023] Figure 7 for Figure 6 Schematic diagram of the cross-sectional structure of BB.

[0024] Figure 8 for Figure 4 A magnified schematic diagram of the structure at point A in the middle.

[0025] Figure 9 for Figure 5 A magnified schematic diagram of the structure at point B in the middle.

[0026] Among them, 100-hard limiting part, 110-connecting tube, 120-limiting block, 200-soft peeling part, 300-bending elastic sheet, 400-hand-held mechanism, 410-hollow grip, 420-displacement port, 430-locking block, 500-pulling mechanism, 510-slider, 511-horizontal slide bar, 512-operating piece, 513-embedding groove, 520-pull rod, 600-displacement groove, 700-drive rod. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present application, provided in the drawings, is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0029] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0030] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0031] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only used for differentiation and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "provided", "mounted", "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] Please refer to Figures 1 to 9 As shown in the drawings, an ophthalmic surgical dissector comprises:

[0034] The working head comprises a hard limiting portion 100 and a soft stripping portion 200, both of which are hollow structures, the soft stripping portion 200 is a sheet-shaped structure, the soft stripping portion 200 is arranged in communication with the internal cavity of the hard limiting portion 100, and a curved elastic sheet 300 is slidably arranged in the hard limiting portion 100;

[0035] The hand-held mechanism 400 is connected with the connecting part of the hard limiting part 100, and is provided with a pulling mechanism 500, the pulling end of the pulling mechanism 500 extends into the hard limiting part 100 and is connected with the curved elastic sheet 300, and the pulling mechanism 500 is used for pushing and pulling the curved elastic sheet 300 in and out of the soft stripping part 200.

[0036] The curved elastic sheet 300 is in a planar state in the hard limiting part 100, and is in a curved surface state in the soft stripping part 200.

[0037] In this way, the working head extends into the gap between the proliferative membrane and the retina, and in the state that the working head extends, the curved elastic sheet 300 is retracted in the hard limiting part 100, at this time, the hardness of the soft stripping part 200 in the input direction is used to accurately extend to the position that needs to be stripped. Then, by operating the pulling mechanism 500, the curved elastic sheet 300 is pushed into the soft stripping part 200 by the pushing of the pulling mechanism 500, at this time, the curved elastic sheet 300 is released from the limiting, and returns to the curved arc under the action of the elastic force, and the soft stripping part 200 is deformed to generate a certain curved arc. Thus, the stripping operation is facilitated. After the stripping is completed, when the working head needs to be taken out, the pulling mechanism 500 is operated again, the curved elastic sheet 300 is withdrawn from the soft stripping part 200 and retracted into the hard limiting part 100, so that the soft stripping part 200 restores to the original state under the action of the restoring force, and is horizontal with the hard limiting part 100, and the working head is in a straight state, thereby facilitating the withdrawal from the stripping position. In this way, in the stage of the working head entering and exiting the stripping position, the working head is in a straight line state, thereby avoiding the occurrence of secondary injury. When the stripping operation is performed, the soft stripping part 200 can also be changed to a curved state, so that the stripping operation can be performed with quality.

[0038] Specifically, the hard limiting part 100 includes a connecting pipe 110 as the connecting part, the top end of the connecting pipe 110 is connected with a limiting block 120 with the same horizontal area as the soft stripping part 200, the curved elastic sheet 300 is contained in the limiting block 120, and the pushing and pulling end of the pulling mechanism 500 extends into the limiting block 120 and is connected with the curved elastic sheet 300 through the connecting pipe 110.

[0039] Furthermore, the soft stripping part 200 is an elastic sleeve parallel to the hard limiting part 100 in the original state, and the curved elastic sheet 300 is an elastic sheet with a curvature of 45° in the original state, and when the curved elastic sheet 300 enters the soft stripping part 200, the soft stripping part 200 can be bent to a state with a curvature of 45°. When the curved elastic sheet 300 is located in the hard limiting part 100, it is limited to be planar under the action of the hard limiting part 100.

[0040] At the same time, the hard limiting part 100 and the soft stripping part 200, when the soft stripping part 200 is in normal state, that is, the soft stripping part 200 is parallel to the hard limiting part 100, the total length of the hard limiting part 100 and the soft stripping part 200 is 32mm, in particular, when the soft stripping part 200 is parallel to the hard limiting part 100, the distance between the end of the soft stripping part 200 and the end of the handheld mechanism 400 is 32mm.

[0041] Further, please refer to Figure 4 、 Figure 5 、 Figure 7 、 Figure 8 and Figure 9 , the handheld mechanism 400 includes a hollow grip rod 410 connected to the hard limiting part 100, the pulling mechanism 500 includes a slider 510 as a driving end and a pull rod 520 as a pulling end, the pull rod 520 is coaxially arranged in the hollow grip rod 410, the top end of the pull rod 520 extends into the hard limiting part 100 and is connected to the curved elastic sheet 300, and the slider 510 is used to drive the pull rod 520 to move back and forth along its axis.

[0042] In order to avoid unnecessary displacement of the pull rod 520, the side surface of the hollow grip rod 410 is provided with a displacement port 420, the slider 510 includes a horizontal sliding rod 511 slidingly arranged in the displacement port 420, the horizontal sliding rod 511 is vertically connected to the bottom end of the pull rod 520, one end of the horizontal sliding rod 511 extending out of the displacement port 420 is provided with an operating sheet 512, one side of the operating sheet 512 facing the hollow grip rod 410 is configured with an inlaid groove 513, and the outer side wall of the hollow grip rod 410 is provided with a clamping block 430, when the operating sheet 512 is displaced to the two limit positions, the clamping block 430 is clamped and positioned with the inlaid groove 513.

[0043] At the same time, in order to improve the moving

[0044] stability of the pull rod 520 in the hollow grip rod 410, the connecting part of the hard limiting part 100 extends towards the inside of the hollow grip rod 410, the pull rod 520 is slidingly arranged in the connecting part, the side wall of the connecting part is provided with a displacement groove 600, the side wall of the pull rod 520 is provided with a horizontal driving rod 700 extending out of the displacement groove 600, and the slider 510 is connected to the driving rod 700.

[0045] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An ophthalmic surgical dissector, comprising: The utility model relates to a stripping device for the cable core, which comprises: a work head, which comprises a hard limiting part (100) and a soft stripping part (200), both of which are hollow structures, the soft stripping part (200) is in the form of a sheet, and the soft stripping part (200) is arranged in communication with the internal cavity of the hard limiting part (100), and a curved elastic sheet (300) is slidably arranged in the hard limiting part (100); a handheld mechanism (400) is connected with the joint part of the hard limiting part (100) and is provided with a pulling mechanism (500), the pulling end of the pulling mechanism (500) extends into the hard limiting part (100) and is connected with the curved elastic sheet (300), and the pulling mechanism (500) is used for pushing and pulling the curved elastic sheet (300) in and out of the soft stripping part (200); the curved elastic sheet (300) is in a planar state in the hard limiting part (100), and the curved elastic sheet (300) is in a curved surface state in the soft stripping part (200).

2. An ophthalmic surgical dissector according to claim 1, wherein, the hard limiting part (100) comprises a joint pipe (110) as the joint part, the top end of the joint pipe (110) is connected with a limiting block (120) having the same lateral area as the soft stripping part (200), the curved elastic sheet (300) is arranged in the limiting block (120), and the pushing and pulling end of the pulling mechanism (500) extends through the joint pipe (110) into the limiting block (120) and is connected with the curved elastic sheet (300).

3. An ophthalmic surgical dissector according to claim 1 or 2, wherein, the soft stripping part (200) is an elastic sleeve parallel to the hard limiting part (100) in the original state.

4. An ophthalmic surgical dissector according to claim 1, wherein, the handheld mechanism (400) comprises a hollow grip rod (410) connected with the hard limiting part (100), the pulling mechanism (500) comprises a sliding block (510) as a driving end and a pull rod (520) as a pulling end, the pull rod (520) is coaxially arranged in the hollow grip rod (410), the top end of the pull rod (520) extends into the hard limiting part (100) and is connected with the curved elastic sheet (300), and the sliding block (510) is used for driving the pull rod (520) to move back and forth along the axis thereof.

5. An ophthalmic surgical dissector according to claim 4, wherein, the side surface of the hollow grip rod (410) is provided with a displacement port (420), the sliding block (510) comprises a horizontal sliding rod (511) slidably arranged in the displacement port (420), the bottom end of the horizontal sliding rod (511) is connected perpendicularly with the pull rod (520), one end of the horizontal sliding rod (511) extending out of the displacement port (420) is provided with an operation sheet (512), one side of the operation sheet (512) facing the hollow grip rod (410) is provided with an inlay groove (513), the outer side wall of the hollow grip rod (410) is provided with a clamping block (430), and when the operation sheet (512) is displaced to the two limit positions, the clamping block (430) is clamped and positioned with the inlay groove (513).

6. An ophthalmic surgical dissector according to claim 4, wherein, The connecting part of the hard limiting part (100) extends towards the inside of the hollow handle (410), the pull rod (520) is slidingly arranged in the connecting part, the side wall of the connecting part is provided with a displacement slot (600), the side wall of the pull rod (520) is provided with a horizontal driving rod (700) which extends from the displacement slot (600), and the sliding block (510) is connected with the driving rod (700).

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