CN116439846A - Cornea marker for cataract lens operation - Google Patents

Abstract

The invention discloses a cornea marker for cataract lens surgery, which structurally comprises a center point marker, a moisture absorption mechanism, a spring rod and a fixed bottom plate, wherein the center point marker is arranged at the lower end of the inner side of the moisture absorption mechanism, the upper end of the spring rod penetrates through the inner part of the edge of the moisture absorption mechanism in a clearance fit way, a sponge strip at the inner end of a lower pendulum piece is contacted with the periphery of a cornea, liquid around the cornea is sucked away, and the liquid around the cornea is prevented from being easily adsorbed on the center point marker; the sliding block and the magnetic block slide on the soft magnetic stripe and can be fixed magnetically, so that the fixed base and the central point marker arranged at the upper end are moved and adjusted, the position of the cornea to be marked is aligned, then the cornea can be magnetically attracted and fixed, the central point marker is prevented from shifting after adjustment, the central point marker is improved to be stably adjusted, and the cornea is accurately marked.

Description

A corneal marker for cataract lens surgery

technical field

The invention relates to the medical field of ophthalmology, and more specifically relates to a corneal marker for cataract lens surgery.

Background technique

Cataract is a common blinding eye disease. There is a tissue in the human eye called the lens. It is transparent under normal circumstances. The light passes through it and some refractive media to reach the retina, so that external objects can be seen clearly. Once the lens is due to some The reason is that turbidity will affect the retinal imaging, making people unable to see clearly. The turbid lens will be removed through surgery. Before the operation, a corneal marker needs to be used to mark the position of the cornea;

But because the corneal marker in the prior art is in the process of marking the cornea, by pressing the whole corneal marker, the central point marker on the corneal marker is pressed on the cornea, and the process of pressing the whole corneal marker In the middle, it is easy to produce a certain angle deviation, and the liquid around the cornea is easy to adsorb on the center point marker, which will cause the position of the center point marker to shift and reduce the accuracy of the mark position.

Contents of the invention

The technical solution adopted by the present invention to achieve the technical purpose is: a corneal marker for cataract lens surgery, its structure includes a positioning mechanism and a fixing mechanism, the positioning mechanism is installed in the middle of the upper end face of the fixing mechanism, and the positioning mechanism includes a center point mark device, a moisture absorbing mechanism, a spring rod, and a fixed bottom plate, the center point marker is installed at the lower end inside the moisture absorbing mechanism, the upper end of the spring rod runs through the edge of the moisture absorbing mechanism through clearance fit, and the lower end of the spring rod is welded on the upper surface of the fixed bottom plate, The fixed bottom plate is fixedly installed in the middle part of the upper end face of the fixing mechanism, and the four spring rods are provided, which are respectively installed in four directions between the moisture absorption mechanism and the fixed bottom plate.

As a further improvement of the present invention, the moisture absorption mechanism includes a pressure ring, a torsion shaft, a hem piece, and a sponge strip. The outer ends are hinged, and the inner end of the hem piece is provided with a sponge strip, the inner end surface of the pressure ring is connected with the outer upper end of the center point marker, and the hem piece and the sponge strip are provided with six, and they are ring-shaped and equidistant The arrangement is distributed on the inner side of the pressure ring, and each hem piece is provided with a torsion shaft at both outer ends.

As a further improvement of the present invention, the center point marker includes a support link, a positioning ring, a magnifying glass, and a marking knife. On the outer surface of the ring, a magnifying glass is embedded in the inner side of the positioning ring, and a marking knife is provided in the middle of the lower end of the inner side of the positioning ring, and the supporting connecting rods are provided with six. Between the positioning ring and the inner end surface of the pressure ring, so that the positioning ring is directly below the center point of the pressure ring.

As a further improvement of the present invention, the fixing mechanism includes a fixed base, a sliding block, a magnetic block, a soft magnetic strip, and an adsorption mechanism. The upper end surface edge of the fixed base is equipped with a sliding block, and the middle part of the upper end surface of the fixed base is provided with a fixed bottom plate. , the inside of the sliding block is provided with a magnetic block, and the soft magnetic strip runs through the inside of the sliding block and the magnetic block, and the adsorption mechanism is arranged at both ends of the soft magnetic strip, and the sliding block, the magnetic block and the soft magnetic strip are all There are two, and they are symmetrically installed on the edge of the upper end surface of the fixed base.

As a further improvement of the present invention, there are four adsorption mechanisms, and two of them form a group, which are respectively arranged at the first and last ends of the two soft magnetic strips.

As a further improvement of the present invention, the adsorption mechanism includes a connecting block, a plug, a telescopic hose, and a suction cup. The connecting block is arranged at both ends of the soft magnetic strip, and the plug is installed inside the upper end of the connecting block by clearance fit. A telescopic hose is installed at the lower end of the connection block and connected through it. A suction cup is installed at the lower end of the telescopic hose. The telescopic hose has a folded structure and is made of rubber, which has good resilience.

1. When marking, press the pressure ring under the vertical elastic guidance of the four spring rods to ensure that the pressure ring descends vertically and improve the stability of the center point marker for marking on the cornea. The sponge strip comes into contact with the surrounding cornea, absorbs the fluid around the cornea, and prevents the fluid around the cornea from being easily adsorbed on the center point marker;

2. The position of the cornea can be magnified and viewed through the magnifying glass inside the positioning ring, and the marking knife first comes into contact with the cornea and forms a "cross" mark on the cornea. During the marking process, only the center point marker can be lifted vertically , while the fixing mechanism remains still, avoiding a certain shift in the position during the marking process and improving the marking accuracy;

3. When the fixing mechanism fixes the center point marker, it absorbs and squeezes the position around the patient's glasses through the suction cup at the outer end. At this time, the telescopic hose is squeezed, and the air inside the suction cup and the air inside the connecting block Squeeze out, so that the suction cup can vacuum absorb the position around the glasses, and improve the firmness of the position after the fixed base is placed;

4. The sliding block and magnetic block slide on the soft magnetic strip and can be fixed magnetically, so as to move and adjust the fixed base and the center point marker installed on the upper end. After aligning with the position to be marked on the cornea, it can be fixed magnetically. Prevent the center point marker from shifting after adjustment, improve the center point marker for stable adjustment and accurately mark the cornea.

Description of drawings

Fig. 1 is a schematic structural view of a corneal marker for cataract lens surgery according to the present invention.

Fig. 2 is a top view and a front view internal structural schematic diagram of the positioning mechanism of the present invention.

Fig. 3 is a schematic plan view of the internal structure of the moisture absorbing mechanism of the present invention.

Fig. 4 is a top view and a partially enlarged three-dimensional structural schematic diagram of the center point marker of the present invention.

Fig. 5 is a top view and a partially enlarged structural schematic diagram of the fixing mechanism of the present invention.

Fig. 6 is a schematic diagram of the internal structure of the adsorption mechanism of the present invention.

In the figure: positioning mechanism-J, fixing mechanism-T, center point marker-j4, moisture absorption mechanism-j6, spring rod-j2, fixed bottom plate-j9, pressure ring-j13, torque shaft-j18, hem piece-j16, Sponge strip-j11, supporting link-j43, positioning ring-j45, magnifying glass-j47, marking knife-j49, fixed base-t6, sliding block-t8, magnetic block-t2, soft magnetic strip-t4, adsorption mechanism-t6 , Connection block-t59, plug-t52, telescopic hose-t54, suction cup-t56.

Implementation

The present invention will be further described below in conjunction with accompanying drawing:

Example

As shown in accompanying drawings 1 to 4:

The present invention is a corneal marker for cataract lens surgery, its structure includes a positioning mechanism J, a fixing mechanism T, the positioning mechanism J is installed in the middle of the upper end face of the fixing mechanism T, and the positioning mechanism J includes a center point marker j4, a moisture absorption mechanism j6, spring rod j2, fixed bottom plate j9, the center point marker j4 is installed at the inner lower end of the moisture absorption mechanism j6, the upper end of the spring rod j2 runs through the edge of the moisture absorption mechanism j6 with clearance fit, and the lower end of the spring rod j2 is welded on the fixed The upper end surface of the bottom plate j9, the fixed bottom plate j9 is fixedly installed in the middle of the upper end surface of the fixing mechanism T;

There are four spring rods j2, which are respectively installed in four directions between the moisture absorption mechanism j6 and the fixed bottom plate j9, and the four spring rods j2 apply a stable elastic force between the moisture absorption mechanism j6 and the fixed bottom plate j9 to ensure Pressing the moisture absorbing mechanism j6 can drive the center point marker j4 to descend vertically on the fixed bottom plate j9, improving the stability of the center point marker j4 marking on the cornea.

Wherein, the moisture absorbing mechanism j6 includes a pressure ring j13, a torsion shaft j18, a hem piece j16, and a sponge j11. j18 is hinged with the outer end of the hem piece j16, and the inner end of the hem piece j16 is provided with a sponge strip j11, and the inner end surface of the pressure ring j13 is connected with the outer upper end of the center point marker j4;

There are six hem pieces j16 and sponge strips j11, and they are arranged in a circular equidistant arrangement on the inner side of the pressure ring j13, and each end piece j16 is provided with a torsion axis j18 at both ends of the outer side, through the torsion axis j18 applies elastic torsion to the hem piece j16 to ensure that the angle of the hem piece j16 itself can be adjusted during the pressing down of the pressure ring j13, so that the sponge strip j11 at the inner end of the hem piece j16 comes into contact with the surrounding cornea, absorbing the liquid around the cornea, Prevent the fluid around the cornea from easily adhering to the center point marker j4.

Wherein, the center point marker j4 includes a supporting link j43, a positioning ring j45, a magnifying glass j47, and a marking knife j49. Set on the outer surface of the positioning ring j45, the inside of the positioning ring j45 is embedded with a magnifying glass j47, and the middle part of the inner lower end of the positioning ring j45 is provided with a marking knife j49;

The support link j43 is provided with six, with an inclination angle with a higher outer end and a lower inner end, and is distributed in an equidistant ring between the positioning ring j45 and the inner end surface of the pressure ring j13, so that the positioning ring j45 is located at the center of the pressure ring j13 Just below the point, ensure that when the pressure ring j13 drives the positioning ring j45 down, the "cross" marking knife j49 at the middle of the inner lower end of the positioning ring j45 can first contact the cornea and form a "cross" mark on the cornea, thereby marking Out of center point.

The specific usage and function of this embodiment:

In the present invention, in the process of marking the cornea, the positioning mechanism J is first placed and fixed around the glasses of the surgical patient through the fixing mechanism T, so that the positioning mechanism J is at the position directly above the cornea. Under the vertical elastic guidance of the four spring rods j2, j13 ensures the vertical descent of the pressure ring j13 and improves the stability of the center point marker j4 marking on the cornea. At the same time, it is applied to the hem piece j16 through the torsion axis j18 The elastic torsion ensures that the angle of the hem piece j16 itself can be adjusted when the pressure ring j13 is pressed down, so that the sponge strip j11 at the inner end of the hem piece j16 comes into contact with the surrounding cornea, absorbing the liquid around the cornea and preventing the liquid around the cornea from easily Adsorbed on the center point marker j4, and the pressure ring j13 is supported by the connection of the support link j43 when it descends, driving the positioning ring j45 to descend, and the position of the cornea can be magnified and viewed through the magnifying glass j47 inside the positioning ring j45, and through the marking The knife j49 first comes into contact with the cornea and forms a "ten" mark on the cornea. During the marking process, only the center point marker j4 moves up and down vertically, while the fixing mechanism T remains still to avoid positional errors during the marking process. A certain offset can improve the accuracy of marking.

Example

As shown in accompanying drawing 5 to accompanying drawing 6:

Wherein, the fixing mechanism T includes a fixed base t6, a sliding block t8, a magnetic block t2, a soft magnetic strip t4, and an adsorption mechanism t6. A fixed bottom plate j9 is provided, a magnetic block t2 is provided inside the sliding block t8, and the soft magnetic strip t4 runs through the inside of the sliding block t8 and the magnetic block t2, and the adsorption mechanism t6 is arranged at both ends of the soft magnetic strip t4. The sliding block t8, the magnetic block t2 and the soft magnetic strip t4 are all provided with two, and are symmetrically installed on the edge of the upper end surface of the fixed base t6. Sliding on the upper surface and absorbing positioning, the positions of the fixed base t6 and the center point marker j4 can be adjusted, and the center point marker j4 can be improved for stable adjustment and accurate marking of the cornea.

Wherein, the described adsorption mechanism t6 is provided with four, and two are a group, and are respectively arranged on the head and tail ends of two soft magnetic strips t4, can adjust the position of two soft magnetic strips t4 through four adsorption mechanisms t6. Carry out adsorption and fixation to avoid the deviation of the positions of the soft magnetic strip t4 and the fixed base t6 during the marking process, resulting in deviation of the position marked by the center point marker j4.

Wherein, the adsorption mechanism t6 includes a connection block t59, a plug t52, a telescopic hose t54, and a suction cup t56. The connection block t59 is arranged at both ends of the soft magnetic strip t4, and the plug t52 is mounted on the connection block by clearance fit. Inside the upper end of t59, the lower end of the connection block t59 is equipped with a telescopic hose t54 and connected through it;

A suction cup t56 is installed at the lower end of the telescopic hose t54. The telescopic hose t54 has a folded structure and is made of rubber with good resilience. When squeezed, the air inside the suction cup t56 and the connecting block t59 can be sucked The air inside is extruded, so that the suction cup t56 vacuum-adsorbs the position around the glasses, improving the firmness of the position after the fixed base t6 is placed.

The specific usage and function of this embodiment:

In the present invention, when the fixing mechanism T fixes the center point marker j4, the suction cup t56 at the outer end absorbs and squeezes the position around the patient's glasses. At this time, the flexible hose t54 is squeezed, and the air inside the suction cup t56 And the air inside the connection block t59 is extruded, so that the suction cup t56 can vacuum the position around the glasses, improve the firmness of the position after the fixed base t6 is placed, and carry out on the soft magnetic strip t4 through the sliding block t8 and the magnetic block t2. It slides and can be fixed magnetically, so as to move and adjust the fixed base t6 and the center point marker j4 installed on the upper end. After aligning with the position of the cornea that needs to be marked, it can be magnetically fixed to prevent the position deviation of the center point marker j4 after adjustment. Move, raise the center point marker j4 for stable adjustment and precise marking of the cornea.

Utilize the technical solution described in the present invention, or those skilled in the art design a similar technical solution under the inspiration of the technical solution of the present invention, and achieve the above-mentioned technical effects, all fall into the protection scope of the present invention.

Claims (6)

1. The utility model provides a cataract lens operation cornea marker, its structure includes positioning mechanism (J), fixed establishment (T), its characterized in that:

the positioning mechanism (J) is arranged in the middle of the upper end face of the fixing mechanism (T);

the positioning mechanism (J) comprises a center point marker (J4), a moisture absorption mechanism (J6), a spring rod (J2) and a fixed bottom plate (J9), wherein the center point marker (J4) is arranged at the lower end of the inner side of the moisture absorption mechanism (J6), the upper end of the spring rod (J2) penetrates through the edge of the moisture absorption mechanism (J6) in a clearance fit manner, the lower end of the spring rod (J2) is welded on the upper end face of the fixed bottom plate (J9), and the fixed bottom plate (J9) is fixedly arranged in the middle of the upper end face of the fixed mechanism (T).

2. A cataract lens surgical cornea marker as claimed in claim 1, wherein: the moisture absorption mechanism (j 6) comprises a compression ring (j 13), a torsion shaft (j 18), a lower pendulum piece (j 16) and a sponge strip (j 11), wherein the upper end of a spring rod (j 2) penetrates through the edge of the compression ring (j 13) in a clearance fit manner, the compression ring (j 13) is hinged to the outer side end of the lower pendulum piece (j 16) through the torsion shaft (j 18), the inner side end of the lower pendulum piece (j 16) is provided with the sponge strip (j 11), and the inner side end face of the compression ring (j 13) is connected with the outer side upper end of the central point marker (j 4).

3. A cataract lens surgical cornea marker as claimed in claim 2, wherein: the center point marker (j 4) comprises a supporting connecting rod (j 43), a positioning ring (j 45), a magnifying glass (j 47) and a marking knife (j 49), wherein the upper end of the outer side of the supporting connecting rod (j 43) is welded with the inner side end face of the pressing ring (j 13), the inner side end of the supporting connecting rod (j 43) is arranged on the outer side surface of the positioning ring (j 45), the magnifying glass (j 47) is embedded in the inner side of the positioning ring (j 45), and the marking knife (j 49) is arranged in the middle of the lower end of the inner side of the positioning ring (j 45).

4. A cataract lens surgical cornea marker as claimed in claim 1, wherein: fixed establishment (T) is including unable adjustment base (T6), sliding block (T8), magnetic path (T2), soft magnetic stripe (T4), adsorption equipment (T6), unable adjustment base (T6) up end edge installs sliding block (T8) to unable adjustment base (T6) up end middle part is equipped with PMKD (j 9), inside magnetic path (T2) that is equipped with of sliding block (T8), and soft magnetic stripe (T4) all run through inside sliding block (T8) and magnetic path (T2), adsorption equipment (T6) are established at soft magnetic stripe (T4) head and tail both ends.

5. A cataract lens surgical cornea marker as claimed in claim 4, wherein: the adsorption mechanisms (t 6) are four, two adsorption mechanisms are in a group, and are respectively arranged at the head end and the tail end of the two soft magnetic strips (t 4).

6. A cataract lens surgical cornea marker as claimed in claim 5, wherein: the adsorption mechanism (t 6) comprises a connecting block (t 59), a plug (t 52), a telescopic hose (t 54) and a sucker (t 56), wherein the connecting block (t 59) is arranged at the head end and the tail end of the soft magnetic strip (t 4), the plug (t 52) is installed inside the upper end of the connecting block (t 59) in a clearance fit mode, and the telescopic hose (t 54) is installed at the lower end of the connecting block (t 59) and is connected in a penetrating mode.