CN210044051U

CN210044051U - Convenient-to-use eye speculum for ophthalmology

Info

Publication number: CN210044051U
Application number: CN201920296474.3U
Authority: CN
Inventors: 万晶晶; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-09
Filing date: 2019-03-09
Publication date: 2020-02-11
Anticipated expiration: 2029-03-09

Abstract

The utility model discloses an eye speculum convenient to use for ophthalmology, which comprises a base, the one end of first connecting rod is all journalled at both ends around the left side of base, the other end welding of first connecting rod has the drag hook, the right side central point of base puts the welding and has the sleeve, telescopic front and back both sides right-hand member all has the hub connection handle, telescopic inner chamber is pegged graft and is had the rectangular pole, the outer wall left side spiro union that the base was extended in the left side of rectangular pole has first rectangular plate, the one end of second connecting rod is all journalled at both ends around the left side of first rectangular plate, the other end of second connecting rod puts the hub connection with the inboard central point of first connecting rod, the telescopic inner chamber spiro union has second rectangular plate is extended on the right side of rectangular pole, first spring has been cup jointed on the outer wall right side of rectangular pole. This eye speculum convenient to use for ophthalmology, easy operation can be fixed to the drag hook that props up the eyelid, can not cause medical personnel hand fatigue, and the operation of being convenient for has greatly satisfied the demand of eyelid.

Description

Convenient-to-use eye speculum for ophthalmology

Technical Field

The utility model relates to the technical field of ophthalmology, in particular to an eyelid retractor convenient to use for ophthalmology.

Background

Eyelid retractor is similar to the necessary instrument drag hook among the surgery operation, and its product performance itself sees and is exactly the drag hook among the ophthalmic surgery, because among the ophthalmic surgery, play the preparation that supports the eyelid, so call eyelid retractor, the big simple structure of current eyelid retractor, prop the back with patient's eyelid, the width that needs medical personnel manual control to prop up, because ophthalmic surgery time is longer, cause medical personnel fatigue easily, influence operation efficiency, the eyelid retractor of the doctor of being convenient for use now designs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an eye speculum convenient to use for ophthalmology to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an eyelid retractor convenient to use for ophthalmology comprises a base, wherein the front end and the rear end of the left side of the base are respectively in shaft connection with one end of a first connecting rod, the other end of the first connecting rod is welded with a drag hook, the right side center of the base is welded with a sleeve, the right ends of the front side and the rear side of the sleeve are respectively in shaft connection with a handle, a rectangular rod is inserted into an inner cavity of the sleeve, the left side of the rectangular rod, extending out of the outer wall of the base, is in screw connection with a first rectangular plate, the front end and the rear end of the left side of the first rectangular plate are respectively in shaft connection with one end of a second connecting rod, the other end of the second connecting rod is in shaft connection with the inner center of the first connecting rod, the right side of the rectangular rod, extending out of the sleeve, is in screw connection with a second rectangular plate, the right side of the outer wall of the rectangular rod is sleeved with a first spring, the front, the draw-in groove has all been seted up from a left side to the right side to the front side surface of rectangle pole, the rectangular hole has been seted up to telescopic front side surface left end, telescopic front side has connect the wane, and the wane is located the right side of rectangular hole, the welding of the rear side left end of wane has the kelly, the inner chamber and the draw-in groove grafting that the rectangular hole was run through to the rear side of kelly, telescopic front side right-hand member joint has the one end of second spring, the other end of second spring and the rear side right-hand member joint of wane.

Preferably, the draw hook is in a U shape.

Preferably, both the second links are inclined outward from right to left.

Preferably, both the third links incline outward from left to right.

Preferably, the clamping grooves are continuously distributed on the front side surface of the rectangular rod, and the rear sides of the clamping rods and the inner cavities of the clamping grooves are triangular.

Compared with the prior art, the beneficial effects of the utility model are that: this eye speculum convenient to use for ophthalmology, when the in-service use, press two handles to the inboard, through the third connecting rod, the second rectangular plate, the cooperation of rectangle pole and first rectangular plate can make the second connecting rod move to the left side, thereby make the second connecting rod drive the drag hook through first connecting rod and remove to the outside and strut the eyelid, can make the kelly insert the draw-in groove of corresponding position through the wane under the spring action of second spring, can be fixed to the drag hook after removing, thereby make the device easy operation, can be fixed to the drag hook that props up the eyelid, can not cause medical personnel's hand fatigue, the operation of being convenient for, great demand of opening the eyelid has been satisfied.

Drawings

Fig. 1 is a top cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the point A of the present invention;

fig. 3 is a left side view of the drag hook of the present invention.

In the figure: 1. the base, 2, first connecting rod, 3, drag hook, 4, sleeve, 5, handle, 6, rectangular rod, 7, first rectangular plate, 8, second connecting rod, 9, second rectangular plate, 10, first spring, 11, third connecting rod, 12, draw-in groove, 13, rectangular hole, 14, wane, 15, kelly, 16, second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an eyelid retractor convenient to use for ophthalmology comprises a base 1, wherein the front end and the rear end of the left side of the base 1 are respectively and axially connected with one end of a first connecting rod 2, the other end of the first connecting rod 2 is welded with a drag hook 3, eyelid is supported by the drag hook 3, the right side center position of the base 1 is welded with a sleeve 4, a rectangular rod 6 is limited by the sleeve 4, the rectangular rod 6 can only horizontally move leftwards and rightwards, the right ends of the front side and the rear side of the sleeve 4 are respectively and axially connected with a handle 5, the inner cavity of the sleeve 4 is inserted with the rectangular rod 6, the left side of the rectangular rod 6, which extends out of the outer wall of the base 1, is in threaded connection with a first rectangular plate 7, the front end and the rear end of the left side of the first rectangular plate 7 are respectively and axially connected with one end of a second connecting rod 8, the other end of the second connecting rod 8 is axially connected with the inner side center position of the first connecting rod, the first spring 10 is a rotating spring, the elastic coefficient is 30N/CM, the first spring 10 is elastically deformed after being stretched or extruded, and is restored to an initial state after external force is removed, the first spring 10 provides elastic force to the right side for the second rectangular plate 9, the front end and the rear end of the right side of the second rectangular plate 9 are respectively in shaft connection with one end of a third connecting rod 11, the other end of the third connecting rod 11 is in shaft connection with the right end of the inner side of the handle 5, the front side surface of the rectangular rod 6 is respectively provided with a clamping groove 12 from left to right, the width of the opening of the clamping groove 12 is 2mm, the movable rectangular rod 6 is conveniently fixed, the left end of the front side surface of the sleeve 4 is provided with a rectangular hole 13, the front side of the sleeve 4 is in shaft connection with a wane 14, the wane 14 is positioned on the right side of the rectangular hole 13, the left end of the rear side of the wane 14 is welded with a clamping rod 15, the rear side of the clamping rod 15 penetrates through the inner cavity of the, the front side right-hand member joint of sleeve 4 has the one end of second spring 16, and second spring 16 is rotating spring, and the elastic coefficient is 35N CM, and second spring 16 receives tensile or produces elastic deformation after the extrusion, resumes to initial condition after getting rid of external force, and second spring 16 provides the elasticity of a front side for wane 14, and the other end of second spring 16 and the rear side right-hand member joint of wane 14.

Preferably, the retractor 3 is in a U shape, so that eyelids can be clamped in the inner cavity of the retractor 3, thereby facilitating the support of eyelids.

Preferably, the two second connecting rods 8 are inclined outwards from right to left, and when the second connecting rods 8 are driven by the first rectangular plate 7 to move towards the left, the left sides of the second connecting rods 8 press the first connecting rods 2 to move outwards, so that the draw hook 3 can move outwards to support the eyelid.

Preferably, the two third links 11 are inclined outward from left to right, and when the handle 5 is pressed inward, the handle 5 presses the right side of the third link 11 to move inward, so that the two third links 11 combine to push the second rectangular plate 9 to move leftward.

As a preferable scheme, further, the plurality of slots 12 are continuously distributed on the front side surface of the rectangular rod 6, and the rear side of the clamping rod 15 and the inner cavity of the slot 12 are both triangular, when the rectangular rod 6 slightly moves, the rectangular rod 6 slightly moves can be fixed by the plurality of slots 12, and the size of the rear side surface of the clamping rod 15 is small, so that the clamping rod 15 can be conveniently inserted into the slot 12.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the eyelid retractor is used, the handle 5 is held, the two drag hooks 3 are clamped on upper and lower eyelids, the forefinger hooks the rocker 14 to promote the second spring 16 to be extruded and contracted, meanwhile, the clamping rod 15 is driven to move towards the front side to be separated from the clamping groove 12, the fixing of the rectangular rod 6 is released, the two handles 5 are pressed inwards to extrude the right end of the third connecting rod 11 to move inwards, the two third connecting rods 11 jointly push the second rectangular plate 9 to move towards the left side to extrude the first spring 10, meanwhile, the rectangular rod 6 pushes the right end of the second connecting rod 8 to move towards the left side through the first rectangular plate 7, the second connecting rod 8 extrudes the first connecting rod 2 to move towards the outside, the eyelid is propped up by the drag hooks 3, the rocker 14 is loosened, the second spring 16 pushes the right side of the rocker 14 to move towards the front side under the action of self elasticity, the clamping rod 15 moves towards the back side to be inserted into the clamping groove 12 at the corresponding position, the moved rectangular, can be operated by one hand, can fix the drag hook 3 for supporting the eyelid, is convenient for medical personnel to hold, reduces the labor intensity of the medical personnel, improves the operation efficiency and is more beneficial to popularization.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "snap" and "pivot" and "snap" and "weld" and "screw" are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An eye speculum convenient to use for ophthalmology, includes base (1), its characterized in that: the front end and the rear end of the left side of the base (1) are respectively in shaft connection with one end of a first connecting rod (2), the other end of the first connecting rod (2) is welded with a drag hook (3), the right center of the base (1) is welded with a sleeve (4), the right ends of the front side and the rear side of the sleeve (4) are respectively in shaft connection with a handle (5), an inner cavity of the sleeve (4) is spliced with a rectangular rod (6), the left side of the rectangular rod (6) extends out of the left side of the outer wall of the base (1) and is in screw connection with a first rectangular plate (7), the front end and the rear end of the left side of the first rectangular plate (7) are respectively in shaft connection with one end of a second connecting rod (8), the other end of the second connecting rod (8) is in shaft connection with the inner center of the first connecting rod (2), the right side of the rectangular rod (6) extends out of the inner cavity of the sleeve (4) and is in screw connection, the utility model discloses a handle, including first rectangular plate (9), second rectangular plate (9), the right side of second rectangular plate (9) is all the coupling in both ends around the one end of third connecting rod (11), the other end of third connecting rod (11) and the inboard right-hand member coupling of handle (5), draw-in groove (12) have all been seted up to the front side surface of rectangular bar (6) from a left side to the right side, rectangular hole (13) have been seted up to the front side surface left end of sleeve (4), the front side of sleeve (4) has been cup jointed rocker (14), and cup rocker (14) are located the right side of rectangular hole (13), the welding of the rear side left end of cup rocker (14) has kelly (15), the inner chamber that rectangular hole (13) was run through to the rear side of kelly (15) is pegged graft with draw-in groove (12), the front side right-hand member joint of sleeve (4) has the one end of second spring (16), the other end of second spring (16.

2. An eye speculum convenient for use in ophthalmology according to claim 1, wherein: the draw hook (3) is U-shaped.

3. An eye speculum convenient for use in ophthalmology according to claim 1, wherein: the two second connecting rods (8) incline outwards from right to left.

4. An eye speculum convenient for use in ophthalmology according to claim 1, wherein: the two third connecting rods (11) incline outwards from left to right.

5. An eye speculum convenient for use in ophthalmology according to claim 1, wherein: the clamping grooves (12) are continuously distributed on the front side surface of the rectangular rod (6), and the rear side of the clamping rod (15) and the inner cavity of each clamping groove (12) are triangular.