CN220833081U

CN220833081U - Eyelid spreader capable of fixing eyeball

Info

Publication number: CN220833081U
Application number: CN202322109743.XU
Authority: CN
Inventors: 李康; 叶进
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-04-26
Anticipated expiration: 2033-08-07

Abstract

The utility model discloses an eyelid retractor capable of fixing eyeballs, which comprises two retractor frames, a retractor torsion spring and an angle fixing device; the expanding frame comprises expanding rods, and the head end of the expanding rod is hinged with the head end of the other expanding rod; the stretching strip is inserted at the tail end of the stretching rod in a telescopic interference fit manner; the expanding plate is fixedly connected with the tail end of the expanding strip; the middle part of the expansion plate is U-shaped and is matched with the eyeball structure; the cross section of the spreader plate is in a shape of "<"; the lifting piece is arranged on the opening rod, can rotate around the opening rod and is fixed at any angle, and is arranged on the outer side of the opening plate. According to the utility model, the U-shaped part of the spreading plate can be tightly attached to the eyeball to fix the eyeball, and the whole length can be adjusted according to the size of the eye of a patient, so that the eyelid can be spread and the eyeball can be fixed more stably; and the eyelid skin of the patient with eyelid skin slackening and hypertrophy can be lifted away from the eyeball, the eyeball is fixed and fully exposed, the operation is convenient, and the safety of the operation is increased.

Description

Eyelid spreader capable of fixing eyeball

Technical Field

The utility model relates to the field of ophthalmic medical appliances, in particular to an eyelid retractor capable of fixing eyeballs.

Background

The eyelid retractor is an instrument for stretching the eyelid of a patient during eye surgery to facilitate the surgery, is favorable for stretching the operative field, is an indispensable medical instrument in eye surgery, works on a principle similar to a drag hook in surgery, and plays a role in supporting the eyelid in eye surgery, so the eyelid retractor is called as an eyelid retractor.

The conventional eyelid retractor has a structure as shown in application number CN202111564508.0, and the frame bar and the eyelid retracting portion have a frame structure with a fixed shape. In the actual use process, the frame-shaped structure can only effectively push away and support eyelid skin tissues, but cannot well shield eyelashes, and operation is affected. The hack lever and the eyelid opening are fixed structures, so that the eyelid opening device with uniform size is used for patients with different ages, such as children and adults, the hack lever can incline to the ear side under the action of gravity after the eyelid opening part is fixed relative to the eyeball and the eyelid when facing the children patients, the eyelid opening part is unstable to be fixed with the eyeball and the eyelid, and in addition, the eyelid skin is loose for the old and the eyelid is fat for the patient, after the eyelid opening part is fixed with the eyeball, the eyelid skin returns from the upper part to the eyeball, and even the operation vision is possibly blocked, so that the operation is influenced. In addition, the patient sometimes can rotate the eyeball involuntarily or subconsciously in the operation process, so that the operation can not be performed, for example, when in myopia laser correction operation and femtosecond laser cataract operation, the eyeball of the patient suddenly rotates in the laser emission process, negative pressure loss can occur, the operation can not be performed, and other complications can even occur.

Disclosure of utility model

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide an eyelid retractor capable of fixing an eyeball, wherein the eyeball can be tightly attached to a U-shaped portion of a retractor plate by using the eyeball, and the overall length can be adjusted according to the size of the eyes and the head of a patient, so that the eyelid can be retracted and the eyeball can be fixed more stably; and the eyelid skin of the patient with eyelid skin slackening and hypertrophy can be lifted away from the eyeball, the eyeball is fixed and fully exposed, the operation is convenient, and the safety of the operation is increased.

The aim of the utility model is realized by the following technical scheme:

An eyelid retractor capable of fixing eyeballs comprises two retractor frames, a retractor torsion spring and an angle fixing device; the tail ends of the two expanding frames are hinged together through rivets after being stacked up and down, the spring body of the expanding torsion spring is sleeved on the rivets, and the two supporting rods of the expanding torsion spring are respectively connected with the two expanding frames to control the expanding force and the recovery of the two expanding frames; one end of the angle fixing device is fixedly connected and hinged with one supporting frame, and the other end of the angle fixing device is fixedly connected with the other supporting frame;

the strut includes:

the head end of the expanding rod is hinged with the head end of the other expanding rod;

The stretching strip is inserted at the tail end of the stretching rod in a telescopic interference fit manner;

The expanding plate is fixedly connected with the tail end of the expanding strip; the middle part of the expansion plate is U-shaped and is matched with the eyeball structure; the cross section of the spreader plate is in a shape of "<";

the lifting piece is arranged on the opening rod, can rotate around the opening rod and is fixed at any angle, and is arranged on the outer side of the opening plate.

Further, the spreader plate includes:

The main framework is U-shaped and is matched with the eyeball structure; the head end of the main framework is connected with the tail end of the spreading strip;

The middle parts of the deformation pieces are sequentially sleeved on the main framework at intervals;

The elastic deformation cladding piece is externally wrapped on the outer surfaces of the main framework and the deformation pieces, is in a sheet shape, and has a cross section of a shape of '<';

further, the deforming member includes:

The sleeving part is sleeved on the main framework;

the fixing part is provided with a round corner at the end face of the head end, and the tail end is connected with the sleeving part; the included angle between the axis of the fixing part and the plane of the main framework is smaller than 90 degrees;

The deformation part is connected with the sleeving part, and the deformation part, the sleeving part and the fixing part form a shape; the diameter of the fixed part is 2-4 times of that of the deformation part; the length of the deformation part is 2-5 times of the length of the fixing part.

Further, the main framework is made of titanium alloy metal; the fixing part is made of titanium alloy metal; the deformation part is made of flexible deformation metal; the cladding piece is made of flexible silica gel;

And the joint of the deformation part and the sleeve joint part adopts expanding treatment.

Further, the main skeleton includes:

U-shaped sections provided with necking grooves uniformly spaced along the axis thereof; the cross section of the necking part corresponding to the necking groove is not circular;

The head end of the first straight line section is connected with the tail end of the U-shaped section, and the tail end of the first straight line section is connected with the stay bar;

the head end of the second straight line section is connected with the head end of the U-shaped section;

The anti-retreating piece is arranged at the tail end of the second straight line section, and the axis of the anti-retreating piece forms an included angle with the axis of the second straight line section.

Further, the plurality of deformation members includes:

The middle part of the deformation piece is sleeved in the necking groove of the U-shaped section and is attached to the outer surface of the necking groove;

The telescopic deformation piece is sleeved on the first straight line section and the second straight line section and can move along the axes of the first straight line section and the second straight line section.

Further, the expanding plate further comprises a lifting piece, and the lifting piece is arranged on the side end face of the cladding piece and is on the same side as the expanding rod;

The expanding bar is in a bent shape, one end of the expanding bar is inserted into the expanding bar, and the other end of the expanding bar is coaxially connected with the first straight line section; the diameter of the spreader bar is the same as the diameter of the first straight line segment.

Further, the outer side surface of the opening rod is provided with an accommodating groove; the expanding rod can be accommodated in the accommodating groove; the opening rod is provided with a first perforation communicated with the accommodating groove;

The pull member includes:

The head part of the first rod is provided with a first threaded hole which is opposite to the through hole and penetrates through the first threaded hole, and the tail part of the first rod is provided with a second through hole;

the first fixing screw penetrates through the first through hole to be meshed with a first threaded hole in the first rod, and the rotation angle of the first rod on the opening rod is controlled;

the head part of the second rod is provided with a second threaded hole which is opposite to the through hole and penetrates through the second threaded hole;

And the second fixing screw penetrates through the second through hole to be meshed with a second threaded hole in the second rod, so that the rotation angle of the second rod on the first rod is controlled.

Further, a pulling piece is arranged on the outer side wall of the first rod, and the pulling piece is arranged outside the opening rod after the first rod is accommodated in the accommodating groove.

Further, the angle fixing device includes:

The middle part of the strip-shaped arc plate is provided with an arc hole; one end of the strip-shaped arc plate is hinged with a spreading rod of a spreading frame;

The adjusting screw is in threaded connection with the opening rod of the other opening frame, and the arc hole of the strip-shaped arc plate is sleeved on the adjusting screw; the bar-shaped arc plate and the expanding rods of the two expanding frames can be relatively fixed through the adjusting screw.

Due to the adoption of the technical scheme, the utility model has the following advantages:

1. The eye-lid supporting plate has the advantages that the eye-lid supporting plate can be used for supporting and fixing the eye, eyelid, eyelashes and the like except the eye can be pushed away from the eye area by the supporting plate, sufficient exposure of the eye is guaranteed, other tissues do not enter the operation area, the lower end of the supporting plate is in a curve shape matched with the radian of the human eye, the surface of the eye is well pressed, the eye is relatively fixed, and the probability of involuntary or subconscious rotation of the patient is reduced.

2. The stretching strips and the stretching rods of the stretching frame are connected in an interference sliding fit mode, so that the whole length of the stretching frame is adjustable, after the eyelid of a patient is stretched and the eyeball is fixed, the gravity center of the stretching frame falls on the eyeball of the patient as much as possible, the stretching frame is relatively stable to a human body, the gravity center of the stretching frame is not suspended outside cheeks, the state of the warping rod is formed, and the stretching stability of the eyelid is damaged.

3. For patients with hypertrophied eyelid and old people with loose eyelid, after the conventional eyelid opening device is opened, eyelid skin of the eyelid can return to the eyeball through the upper part of the rack-shaped structural member, and part of the eyeball is blocked, so that the operation is inconvenient; or the eyelid angle is increased to leave enough operation space, but the way can lead the patient to feel the strong discomfort and even pain caused by the overstretching of the eyelid. The device is provided with the lifting pieces at two sides of the eyelid, can be used for bonding the medical adhesive tape and bonding the eyelid and the lifting pieces together, so that when the eyelid is opened, the eyelid skin is pulled away from the eyeball, and the eyelid skin is effectively prevented from returning to the eyeball.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

The drawings of the present utility model are described as follows:

Fig. 1 is a schematic top view of an eyelid retractor capable of fixing an eyeball according to an embodiment.

Fig. 2 is a schematic side view of an eyelid retractor capable of fixing an eyeball according to an embodiment.

Fig. 3 is a schematic cross-sectional view of an eyelid retractor (with a pulling member hidden) capable of holding an eyeball according to an embodiment.

Fig. 4 is an enlarged schematic view of the structure of fig. 3 at a.

Fig. 5 is an enlarged schematic view of the structure at B in fig. 3.

FIG. 6 is a schematic view of the structure of FIG. 3 at section C-C.

FIG. 7 is a schematic view of the structure of section D-D in FIG. 3.

Fig. 8 is a schematic sectional view showing a state of use of an eyelid retractor capable of fixing an eyeball according to an embodiment.

FIG. 9 is a schematic view of the structure of FIG. 8 at section E-E.

In the figure: 1. opening the torsion spring; 21. a strip-shaped arc plate; 211. an arc-shaped hole; 22. an adjusting screw; 3. a spreader bar; 31. the accommodating groove; 4. a spreader bar; u-shaped section; 5111. a necking groove; 512. a first straight line segment; 513. a second straight line segment; 514. an anti-withdrawal member; 521. a socket joint part; 522. a fixing part; 523. a deformation section; 53. a cladding; 54. fixing the deformation piece; 55. a telescoping deforming member; 56. lifting the pull tab; 61. a first lever; 62. a first set screw; 63. a second lever; 64. a second set screw; 65. drawing the sheet; 7. an eyeball.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

Examples:

As shown in fig. 1 to 7, an eyelid retractor capable of fixing an eyeball comprises two supporting frames, supporting torsion springs 1 and an angle fixing device; the tail ends of the two expanding frames are hinged together through rivets after being stacked up and down, the spring body of the expanding torsion spring 1 is sleeved on the rivets, and the two supporting rods of the expanding torsion spring 1 are respectively connected with the two expanding frames to control the expanding force and the recovery of the two expanding frames; one end of the angle fixing device is fixedly connected and hinged with one supporting frame, and the other end of the angle fixing device is fixedly connected with the other supporting frame;

the strut includes:

the head end of the expanding rod 3 is hinged with the head end of the other expanding rod 3;

The expanding strip 4 is inserted at the tail end of the expanding rod 3 in a telescopic interference fit manner;

The expanding plate is fixedly connected with the tail end of the expanding strip 4; the middle part of the expansion plate is U-shaped and is matched with the eyeball 7 in structure; the cross section of the spreader plate is in a shape of "<";

The lifting piece is arranged on the opening rod 3, can rotate around the opening rod 3 and is fixed at any angle, and is arranged on the outer side of the opening plate.

In this embodiment, the spreader plate includes:

The main framework is U-shaped and is matched with the eyeball 7 in structure; the head end of the main framework is connected with the tail end of the stay bar 4;

The middle parts of the deformation pieces are sequentially sleeved on the main framework at intervals; the deformable member is capable of bending and deforming, and thus is capable of bending in the eyelid direction after opening the eyelid, pressing and shielding the eyelashes as much as possible, and limiting the recovery of the hypertrophic and loose eyelid.

The elastically deformed cladding piece 53 is externally wrapped on the outer surfaces of the main framework and the deformation pieces, is in a sheet shape and has a cross section of a shape of "<";

in this embodiment, the deformation member includes:

the sleeving part 521 is sleeved on the main framework;

A fixing part 522, the head end face of which is rounded, and the tail end of which is connected with the sleeve joint part 521; the included angle between the axis of the fixing part 522 and the plane of the main skeleton is smaller than 90 degrees;

A deformation portion 523 connected to the socket portion 521, wherein the deformation portion 523, the socket portion 521, and the fixing portion 522 form a "<" shape; the diameter of the fixing part 522 is 4 times that of the deformation part 523; the length of the deformation portion 523 is 5 times the length of the fixing portion 522.

In this embodiment, the main skeleton is made of titanium alloy metal; the fixing portion 522 is made of titanium alloy metal; the deformation part 523 is made of flexible deformation metal; the wrapping member 53 is made of flexible silica gel;

the connection between the deformation portion 523 and the socket portion 521 is expanded.

In this embodiment, the main skeleton includes:

U-shaped section 511 having necking grooves 5111 uniformly spaced along its axis; the cross section of the necking part corresponding to the necking groove 5111 is not circular;

A first straight section 512, the head end of which is connected with the tail end of the U-shaped section 511, and the tail end of which is connected with the spreader bar 4;

A second straight section 513 having a head end connected to the head end of the U-shaped section 511;

The anti-back component 514 is disposed at the end of the second straight line section 513, and the axis of the anti-back component forms an included angle with the axis of the second straight line section 513.

The second straight section 513 can facilitate the deformation to slide along it, thereby adjusting the width of the entire spreader plate to accommodate more patients. After the anti-back member 514 is wrapped by the wrapping member 53, the end of the wrapping member 53 is placed to slide out along the second straight section 513.

In this embodiment, the plurality of deformation members includes:

A fixed deforming member 54, the middle part of which is sleeved in the necking groove 5111 of the U-shaped section 511 and is attached to the outer surface of the necking groove 5111;

The expansion and contraction member 55 is sleeved on the first linear section 512 and the second linear section 513, and is movable along the axes of the first linear section 512 and the second linear section 513.

The telescopic deformation member 55 provides the function of adjusting the width of the spreader plate, and the fixing deformation member 54 is connected with the U-shaped section 511 in a manner that the fixing portion 522 does not rotate around the U-shaped section 511 when bending the deformation portion 523, so that the end of the fixing portion 522 is prevented from pressing the eyeball 7.

In this embodiment, the spreader plate further includes a pull tab 56, where the pull tab 56 is disposed on a side end surface of the covering member 53 and is on the same side as the spreader bar 3;

The expanding bar 4 is in a bent shape, one end of the expanding bar is inserted into the expanding rod 3, and the other end of the expanding bar is coaxially connected with the first straight line segment 512; the diameter of the spreader bar 4 is the same as the diameter of the first straight line segment 512.

The pull tab 56 can be easily manipulated by the surgeon, avoiding contact between the surgeon's hand and the covering member 53, and reducing the risk of infection (the covering member 53 is to be in contact with the eyeball 7). The spreader bar 4 is bent, one end of the spreader bar can stretch in the spreader bar 3, and the other end can be stretched on the axis of the wrapping member 53.

In this embodiment, the outer side surface of the opening rod 3 is provided with a containing groove 31; the opening rod 3 can be accommodated in the accommodating groove 31; the opening rod 3 is provided with a first perforation communicated with the accommodating groove 31;

The pull member includes:

a first rod 61, the head of which is provided with a first threaded hole which is opposite to the perforation and the tail of which is provided with a second perforation;

a first fixing screw 62 passing through the first through hole to be engaged with the first threaded hole on the first rod 61, controlling the rotation angle of the first rod 61 on the spreader beam 3;

A second rod 63 having a second threaded hole penetrating therethrough and facing the through hole;

A second set screw 64 passes through the second bore to engage a second threaded bore on the second rod 63 to control the angle of rotation of the second rod 63 on the first rod 61.

In this embodiment, the outer side wall of the first rod 61 is provided with a pull tab 65, and the pull tab 65 is located outside the spreader beam 3 after the first rod 61 is accommodated in the accommodating groove 31.

The pull tab 65 facilitates the extraction of the hidden pull member for use.

In this embodiment, the angle fixing device includes:

A strip-shaped arc plate 21, the middle part of which is provided with an arc hole 211; one end of the strip-shaped arc plate 21 is hinged with a supporting rod 3 of a supporting frame;

The adjusting screw 22 is in threaded connection with the opening rod 3 of the other opening frame, and the arc hole 211 of the strip-shaped arc plate 21 is sleeved on the adjusting screw 22; the bar-shaped arc plate 21 and the expanding rods 3 of the two expanding frames can be relatively fixed through the adjusting screw 22.

The eyelid spreader capable of fixing the eyeballs and the eyeballs 7 fixer are used in such a way that the stretching length of the stretching strip 4 is drawn according to the head size of a patient; the eyelid is loosened and the thickening is then selected whether to extend the drawer, and if necessary, the drawer is pulled out by the pull tab 65 and the second rod 63 is relatively parallel to the spreader plate, after which the first and second set screws 62 and 64 are tightened.

The two expanding frames are folded, at the moment, the torsion spring 1 is expanded to store force, after the two expanding frames are relatively fixed, the lower ends of the two expanding plates are attached to the eyeballs 7, and the upper eyelid and the lower eyelid are adhered to the two second rods 63 by using adhesive tapes. And then the fixing of the two stretching frames is loosened, the two stretching frames are controlled to be slowly separated, the eyelid is stretched, the eyeball 7 is exposed, and the eyeball 7 is just matched with the lower end of the stretching plate.

After the eyeball 7 is exposed to a required degree, the adjusting screw 22 is screwed down to fix the included angle of the two expansion brackets. The spreader bar 3 is then gripped, and the cover 53 corresponding to the fixing deformable member 54 thereon is bent toward the eyelid to cover the eyelashes and the eyelid as much as possible, as shown in fig. 8 and 9.

After the operation is finished, the device is taken out by reversing the operation.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present utility model, which is intended to be covered by the claims of the present utility model.

Claims

1. An eyelid spreader capable of fixing eyeballs is characterized by comprising two spreading frames, a spreading torsion spring and an angle fixing device; the tail ends of the two expanding frames are hinged together through rivets after being stacked up and down, the spring body of the expanding torsion spring is sleeved on the rivets, and the two supporting rods of the expanding torsion spring are respectively connected with the two expanding frames to control the expanding force and the recovery of the two expanding frames; one end of the angle fixing device is fixedly connected and hinged with one supporting frame, and the other end of the angle fixing device is fixedly connected with the other supporting frame;

the strut includes:

2. The eye-fixable eyelid retractor of claim 1, wherein the retractor plate comprises:

The elastic deformation cladding piece is externally wrapped on the outer surfaces of the main framework and the deformation pieces, is in a sheet shape and has a cross section of a shape of '<'.

3. The eye-fixable eyelid retractor of claim 2, wherein the deforming member comprises:

The sleeving part is sleeved on the main framework;

4. The eye-mountable eyelid retractor of claim 3, wherein the main frame is made of titanium alloy metal; the fixing part is made of titanium alloy metal; the deformation part is made of flexible deformation metal; the cladding piece is made of flexible silica gel;

5. The eye-fixable eyelid retractor of claim 2, wherein the main skeleton comprises:

6. The eye-mountable eyelid retractor of claim 5, wherein the plurality of deformable members comprises:

7. The eye-fixable eyelid spreader of claim 5, wherein the spreader plate further comprises a lifting tab disposed on a side end surface of the covering member on the same side as the spreader bar;

8. The eyelid spreader capable of fixing eyeballs as claimed in claim 1, characterized in that the outer side of the spreader bar is provided with a receiving groove; the expanding rod can be accommodated in the accommodating groove; the opening rod is provided with a first perforation communicated with the accommodating groove;

The pull member includes:

9. The eye-fixable eyelid spreader of claim 8, wherein the outer side wall of the first rod is provided with a pull tab, the pull tab being located outside the spreader rod after the first rod is received in the receiving recess.

10. The eye-fixable eyelid retractor of claim 1, wherein the angle fixation means comprises: