Eye opening structure

Abstract

The utility model relates to an eye distraction structure which comprises a first distraction arm and a second distraction arm movably matched with the first distraction arm, arc-shaped pieces are fixedly arranged at one end of the first distraction arm and one end of the second distraction arm, and a distraction mechanism is arranged between the first distraction arm and the second distraction arm. One end of the first supporting arm and one end of the second supporting arm are rotationally connected through an adjusting mechanism, the first supporting arm and the second supporting arm can tend to be far away from each other through the opening mechanism, the eyes are opened through the two arc-shaped pieces, and the other end of the first supporting arm and the other end of the second supporting arm are rotationally connected through the adjusting mechanism. Meanwhile, under the matching action of the adjusting mechanism, the opening angle of the first supporting arm and the opening angle of the second supporting arm can be rapidly adjusted, the first supporting arm and the second supporting arm are locked after adjustment is completed, the angle between the first supporting arm and the second supporting arm cannot be decreased, and the working efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical machinery technical field, concretely is an eye department structure of propping apart. BACKGROUND

[0002] With the popularization of electronic products, ophthalmic diseases also begin to surround our life, in addition to drug treatment, a part of ophthalmic diseases needs surgical treatment, ophthalmic surgery is divided into several categories, common external eye surgery, cataract surgery, anti-glaucoma surgery, vitreoretinal surgery, orbital surgery, ophthalmic emergency surgery and so on.

[0003] The lid speculum is a kind of instrument for propping apart patient's eyelid during eye surgery to facilitate surgery, is beneficial to expand the field of vision, and is indispensable medical instrument in ophthalmic surgery, and the working principle of the lid speculum is similar to that of the retractor in surgical operation, and from its own performance, it is the retractor in ophthalmic surgery, so it is called lid speculum because it plays a supporting role for eyelid in ophthalmic surgery.

[0004] Since the size and depth of each patient's eye socket are different, the fixed lid speculum cannot adapt to all patients, and propping apart is too small to support the eye, and it is easy to fall off, and propping apart is too large to cause patient's discomfort, however, although the existing lid speculum can adjust the propping apart angle according to needs, the adjusting process is slow and tedious, and it is inconvenient for medical staff to use, and the working efficiency is affected. UTILITARIAN CONTENT

[0005] The utility model aims at providing an eye department propping apart structure to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] An eye department propping apart structure, comprising a first support arm and a second support arm movably cooperating with the first support arm, one end of the first support arm and the second support arm is fixedly provided with an arc-shaped sheet, a propping apart mechanism is arranged between the first support arm and the second support arm, the propping apart mechanism can make the first support arm and the second support arm have a mutual trend of moving away, and the eye department is propped apart by the two arc-shaped sheets;

[0008] The other end of the first support arm and the second support arm is rotatably connected through an adjusting mechanism, and the adjusting mechanism can adjust the included angle between the first support arm and the second support arm in cooperation with the propping apart mechanism, so as to meet the different propping apart angles of the eye department.

[0009] As a further scheme of the utility model:

[0010] The adjusting mechanism comprises a first circular ring and a second circular ring, the circumferential surface of the first circular ring is fixedly connected with a first supporting plate, a plurality of first teeth are arranged on one side of the first circular ring, and the plurality of first teeth form a positive gear ring; the circumferential surface of the second circular ring is fixedly connected with a second supporting plate, a plurality of second teeth are arranged on the side of the second circular ring close to the first circular ring, and the plurality of second teeth form a negative gear ring, and the plurality of second teeth and the plurality of first teeth are matched with each other.

[0011] As a further scheme of the utility model:

[0012] The inside of the first supporting arm is provided with a first slot, the first circular ring is fixed in the inside of the first slot through the first supporting plate, the inside of the second supporting arm is provided with a second slot, and the second circular ring and the second supporting plate are movably arranged in the inside of the second slot.

[0013] As a further scheme of the utility model:

[0014] The inside of the second slot is fixedly provided with a first spring, one side of the second supporting plate close to the first spring is fixedly connected with a convex column, the first spring is sleeved outside the convex column, and the two ends of the first spring are in abutment with the second supporting plate and the second supporting arm respectively; the first spring and the convex column are matched with each other, so that the first teeth and the second teeth are kept in the occlusion state under the condition of not being subjected to external force;

[0015] The inside of the second circular ring is fixedly provided with a button, which is used for driving the second circular ring to move in the inside of the second slot against the elastic force of the first spring, so that the first teeth and the second teeth are disengaged from the occlusion.

[0016] As a further scheme of the utility model:

[0017] The shape of the first tooth is arranged as one vertical surface and the other inclined surface, and the shape of the second tooth is also arranged as one vertical surface and the other inclined surface, wherein the inclined surface of the first tooth is opposite parallel to the inclined surface of the second tooth.

[0018] As a further scheme of the utility model:

[0019] The expanding mechanism comprises a sleeve and a moving rod in sliding cooperation with the sleeve, the outer wall of the sleeve is fixedly provided with a sleeve ring, and the sleeve ring is rotationally connected with the first supporting arm through a first cylindrical pin;

[0020] The inside of the sleeve is provided with a second spring, one end of the moving rod is in abutment with one end of the second spring, and the other end of the moving rod is rotationally connected with the second supporting arm through a second cylindrical pin;

[0021] The second spring is in a compressed state.

[0022] As a further scheme of the utility model:

[0023] The sleeve is fixedly provided with a threaded sleeve at one end away from the moving rod, the threaded sleeve is internally threadedly connected with a lead screw, one end of the lead screw abuts against the other end of the second spring, and the other end of the lead screw is fixedly connected with a knob.

[0024] Compared with the prior art, the utility model has the beneficial effects that the first support arm and the second support arm can drive the two arc-shaped pieces to move away from each other through the opening mechanism, thereby supporting the eye, and the opening angle of the first support arm and the second support arm can be quickly adjusted under the cooperation of the adjusting mechanism, and the first support arm and the second support arm are locked after adjustment, so that the angle between the two cannot be reduced, and the working efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structural schematic view of the eye opening structure.

[0026] Figure 2 It is a partial structure sectional view in the eye opening structure.

[0027] Figure 3 It is a structural schematic view of the adjusting mechanism. Figure 2 It is an enlarged view of A in the adjusting mechanism.

[0028] Figure 4 It is a structural schematic view of the adjusting mechanism. Figure 2 It is an enlarged view of B in the adjusting mechanism.

[0029] Figure 5 It is a structural split view of the adjusting mechanism.

[0030] Figure 6 It is an enlarged view of C in the adjusting mechanism. Figure 5

[0031] It is a structural split view of the adjusting mechanism. Figure 7

[0032] It is an enlarged view of D in the adjusting mechanism. Figure 8 Figure 7 It is a structural split view of the opening mechanism.

[0033] Figure 9 It is a structural split view of the opening mechanism.

[0034] ​In the figure: 1, the first support arm; 2, the second support arm; 3, the arc-shaped piece; 4, the first circular ring; 401, the first support plate; 402, the first tooth; 5, the second circular ring; 501, the second support plate; 502, the second tooth; 6, the first slot; 7, the second slot; 8, the first spring; 9, the protruding column; 10, the button; 11, the sleeve; 12, the moving rod; 13, the sleeve ring; 14, the first cylindrical pin; 15, the second spring; 16, the second cylindrical pin; 17, the threaded sleeve; 18, the screw rod; 19, the knob. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0036] In addition, the elements in the utility model are referred to as being "fixed to" or "disposed on" another element, which can be directly on another element or can have a middle element. When an element is considered to be "connected to" another element, it can be directly connected to another element or can have a middle element. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this paper are only for illustrative purposes and do not represent the only implementation.

[0037] Please refer to Figures 1-9 In the embodiments of the utility model, an eye support structure comprises a first support arm 1 and a second support arm 2 movably matched with the first support arm 1, one end of the first support arm 1 and the second support arm 2 is fixedly provided with an arc-shaped piece 3, a support mechanism is arranged between the first support arm 1 and the second support arm 2, the support mechanism can make the first support arm 1 and the second support arm 2 have a mutual tendency to move away from each other, and the two arc-shaped pieces 3 can support the eyes.

[0038] The other end of the first support arm 1 and the second support arm 2 is rotationally connected through an adjusting mechanism, the adjusting mechanism can adjust the included angle between the first support arm 1 and the second support arm 2 in cooperation with the support mechanism, so as to satisfy different support angles of the eyes.

[0039] In the scheme, the first support arm 1 and the second support arm 2 can drive the two arc-shaped pieces 3 to move away from each other through the support mechanism, so as to support the eyes. Meanwhile, under the cooperation of the adjusting mechanism, the support angle of the first support arm 1 and the second support arm 2 can be quickly adjusted, and after the adjustment is completed, the first support arm 1 and the second support arm 2 are locked, so that the angle between them cannot be reduced.

[0040] The traditional eye speculum generally adjusts the opening angle by rotating a threaded rod, which is slow and tedious, and is inconvenient for medical staff to use, while in the present application, the opening angle can be quickly adjusted through the cooperation of the adjusting mechanism and the opening mechanism, greatly improving the work efficiency.

[0041] As a further scheme of the present application, the adjusting mechanism comprises a first ring 4 and a second ring 5, the circumferential surface of the first ring 4 is fixedly connected with a first support plate 401, one side of the first ring 4 is provided with a plurality of first teeth 402, and the plurality of first teeth 402 form a spur gear ring; the circumferential surface of the second ring 5 is fixedly connected with a second support plate 501, one side of the second ring 5 close to the first ring 4 is provided with a plurality of second teeth 502, and forms a counter gear ring, and the plurality of second teeth 502 cooperate with the plurality of first teeth 402.

[0042] In this embodiment, when the spur gear ring and the counter gear ring are engaged with each other, the first ring 4 can only rotate in one direction relative to the second ring 5, and the first ring 4 is connected to the first support arm 1 through the first support plate 401, and the second ring 5 is connected to the second support arm 2; that is, when the spur gear ring and the counter gear ring are engaged with each other, the first support arm 1 can only rotate in a single direction relative to the second support arm 2, ensuring that the first support arm 1 and the second support arm 2 are opened under the action of the opening mechanism, and after opening, can be locked in reverse, so that the first support arm 1 and the second support arm 2 will not become smaller due to the force of the eye.

[0043] As a further scheme of the present application, the first support arm 1 is internally provided with a first slot 6, the first ring 4 is fixedly arranged in the interior of the first slot 6 through the first support plate 401, and the second support arm 2 is internally provided with a second slot 7, and the second ring 5 and the second support plate 501 are movably arranged in the interior of the second slot 7.

[0044] In this embodiment, since the first ring 4 is fixedly arranged in the interior of the first slot 6 through the first support plate 401, and the second ring 5 is movably arranged in the interior of the second slot 7, when the second support arm 2 rotates relative to the first support arm 1, the second ring 5 will also rotate relative to the first ring 4.

[0045] In addition, since the second ring 5 and the second support plate 501 are movably arranged in the second slot 7, the second ring 5 can be driven away from the first ring 4 by external force, so as to release the engagement relationship between the spur gear ring and the counter gear ring; once the engagement relationship between the two is released, the first support arm 1 and the second support arm 2 can rotate in both directions relative to each other, so as to fold the first support arm 1 and the second support arm 2 relative to each other.

[0046] As a further scheme of the utility model, the inside of the second slot 7 is fixedly installed with a first spring 8, one side of the second supporting plate 501 close to the first spring 8 is fixedly connected with a convex column 9, the first spring 8 is sleeved on the outside of the convex column 9, and the two ends of the first spring 8 respectively abut against the second supporting plate 501 and the second supporting arm 2;The first spring 8 and the convex column 9 cooperate with each other, so that the first tooth 402 and the second tooth 502 keep the occlusion state under the condition of not being subjected to external force.

[0047] The inside of the second circular ring 5 is fixedly provided with a button 10, which is used to drive the second circular ring 5 to overcome the elastic force of the first spring 8 and move in the inside of the second slot 7, so that the first tooth 402 and the second tooth 502 are disengaged from the occlusion.

[0048] In this embodiment, due to the existence of the first spring 8 and the first spring 8 keeping the compressed state, the second supporting plate 501 and the second circular ring 5 always have an elastic force close to the first supporting arm 1 by the elastic force of the first spring 8, so that the first tooth 402 and the second tooth 502 keep the occlusion state under the condition of not being subjected to external force;The main role of the convex column 9 is to limit the position of the first spring 8, so that it cannot move in the second slot 7;When it is necessary to release the occlusion relationship between the first tooth 402 and the second tooth 502, only the button 10 needs to be pressed manually, and the second circular ring 5 is driven away from the first circular ring 4 by overcoming the elastic force of the first spring 8 through external force.

[0049] As a further scheme of the utility model, the shape of the first tooth 402 is set as one vertical and the other inclined, and the shape of the second tooth 502 is also set as one vertical and the other inclined, wherein the inclined surface of the first tooth 402 is opposite parallel to the inclined surface of the second tooth 502.

[0050] In this embodiment, since the inclined surface of the first tooth 402 and the inclined surface of the second tooth 502 are fitted, the straight surface of the first tooth 402 and the straight surface of the second tooth 502 are fitted, when the first supporting arm 1 and the second supporting arm 2 rotate away from each other, the inclined surface of the plurality of first teeth 402 will slide and press the inclined surface of the plurality of second teeth 502, so that the plurality of second teeth 502 drive the second circular ring 5 and the second supporting plate 501 away from the first circular ring 4, in this process, the first spring 8 will be further pressed by the second supporting plate 501, on the contrary, when the first supporting arm 1 and the second supporting arm 2 rotate close to each other, due to the force of the first spring 8, the straight surface of the plurality of first teeth 402 will be interlocked with the straight surface of the plurality of second teeth 502, so as to prevent the first supporting arm 1 and the second supporting arm 2 from approaching each other.

[0051] As a further scheme of the utility model, the sleeve 11 is fixedly provided with a sleeve ring 13 on the outer wall, the sleeve ring 13 is rotatably connected with the first support arm 1 through a first cylindrical pin 14, the sleeve 11 is rotatably connected with the second support arm 2 through a second cylindrical pin 16.

[0052] The inside of the sleeve 11 is provided with a second spring 15, one end of the moving rod 12 abuts against one end of the second spring 15, and the other end of the moving rod 12 is rotatably connected with the second support arm 2 through a second cylindrical pin 16.

[0053] The second spring 15 is in a compressed state.

[0054] In this embodiment, since the second spring 15 is in a compressed state, the second spring 15 will always push the moving rod 12 outward, and the sleeve 11 is rotatably connected with the first support arm 1 through the sleeve ring 13 and the first cylindrical pin 14, and the moving rod 12 is rotatably connected with the second support arm 2 through the second cylindrical pin 16, therefore, the first support arm 1 and the second support arm 2 will always have a supporting force for supporting the eye.

[0055] As a further scheme of the utility model, the sleeve 11 is fixedly provided with a threaded sleeve 17 away from one end of the moving rod 12, the threaded sleeve 17 is internally threadedly connected with a lead screw 18, one end of the lead screw 18 abuts against the other end of the second spring 15, and the other end of the lead screw 18 is fixedly connected with a knob 19.

[0056] In this embodiment, the second spring 15 is in a compressed state under the extrusion of the moving rod 12 and the lead screw 18, after long-term use, the second spring 15 may appear elastic fatigue, resulting in insufficient supporting force for the eye, at this time, the lead screw 18 is driven to rotate through the knob 19, since the threaded sleeve 17 is fixed on the sleeve 11, the lead screw 18 will shrink into the sleeve 11, thereby further compressing the second spring 15 to maintain the supporting force for the eye.

[0057] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0058] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. An eye opening structure comprising a first support arm (1) and a second support arm (2) which is in movable cooperation with the first support arm (1), one end of each of the first support arm (1) and the second support arm (2) being provided with an arc-shaped piece (3), characterized in that, The first support arm (1) and the second support arm (2) are provided with a spreading mechanism, which can make the first support arm (1) and the second support arm (2) away from each other, and the two arc-shaped pieces (3) are spread apart to form an eye; The other end of the first support arm (1) and the second support arm (2) is rotatably connected through an adjusting mechanism, which can adjust the included angle between the first support arm (1) and the second support arm (2) to meet the different opening angles of the eye.

2. An ocular expansion structure according to claim 1, wherein The adjusting mechanism comprises a first circular ring (4) and a second circular ring (5), the circumference of the first circular ring (4) is fixedly connected with a first support plate (401), one side of the first circular ring (4) is provided with a plurality of first teeth (402), and a plurality of first teeth (402) form a spur gear; the circumference of the second circular ring (5) is fixedly connected with a second support plate (501), one side of the second circular ring (5) close to the first circular ring (4) is provided with a plurality of second teeth (502), and a plurality of second teeth (502) form a circle of reverse gear, and a plurality of second teeth (502) and a plurality of first teeth (402) are matched with each other.

3. An ocular expansion structure according to claim 2, wherein The inside of the first support arm (1) is provided with a first slot (6), the first circular ring (4) is fixed in the inside of the first slot (6) through the first support plate (401) by bolts, and the inside of the second support arm (2) is provided with a second slot (7), the second circular ring (5) and the second support plate (501) are movably installed in the inside of the second slot (7).

4. An ocular expansion structure according to claim 3, wherein The inside of the second slot (7) is fixedly installed with a first spring (8), one side of the second support plate (501) close to the first spring (8) is fixedly connected with a protruding column (9), the first spring (8) is sleeved outside the protruding column (9), and the two ends of the first spring (8) respectively abut against the second support plate (501) and the second support arm (2); the first spring (8) and the protruding column (9) are matched with each other, so that the first teeth (402) and the second teeth (502) remain in engagement state without external force; The inside of the second circular ring (5) is fixedly provided with a button (10) for driving the second circular ring (5) to overcome the elastic force of the first spring (8) to move in the second slot (7), so that the first teeth (402) and the second teeth (502) are disengaged.

5. An ocular expansion structure according to claim 2, wherein The shape of the first tooth (402) is set as one vertical and the other inclined, and the shape of the second tooth (502) is also set as one vertical and the other inclined, wherein the inclined surface of the first tooth (402) is opposite parallel to the inclined surface of the second tooth (502).

6. An ocular expansion structure according to claim 1, wherein The spreading mechanism comprises a sleeve (11) and a moving rod (12) in sliding cooperation with the sleeve (11), the outer wall of the sleeve (11) is fixedly provided with a sleeve ring (13), and the sleeve ring (13) is rotatably connected with the first support arm (1) through a first cylindrical pin (14); The inside of the sleeve (11) is provided with a second spring (15), one end of the moving rod (12) is in abutment with one end of the second spring (15), and the other end of the moving rod (12) is rotatably connected with the second supporting arm (2) through a second cylindrical pin (16). The second spring (15) is in a compressed state.

7. An ocular expansion structure according to claim 6, wherein The sleeve (11) is fixedly provided with a threaded sleeve (17) away from one end of the moving rod (12), the inside of the threaded sleeve (17) is threadedly connected with a lead screw (18), one end of the lead screw (18) is in abutment with the other end of the second spring (15), and the other end of the lead screw (18) is fixedly connected with a knob (19).

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