CN217593204U

CN217593204U - Retina ring-tying belt

Info

Publication number: CN217593204U
Application number: CN202123064104.3U
Authority: CN
Inventors: 段佳良; 尚庆丽; 叶存喜
Original assignee: Second Hospital of Hebei Medical University
Current assignee: Second Hospital of Hebei Medical University
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-10-18
Anticipated expiration: 2031-12-07

Abstract

The utility model provides a retina cerclage, belonging to the technical field of ophthalmic surgery tools, comprising a cerclage body, a clamping sleeve, a positioning structure and a flexible wrapping layer, wherein the middle part of one side of the cerclage body is provided with a plurality of clamping teeth along the length direction; the clamping sleeve is connected with one end of the band body, a clamping tongue is arranged in the clamping sleeve, and the clamping tongue is used for clamping the clamping tooth after the other end of the band body penetrates through the clamping sleeve; the positioning structure is arranged on the band body, the distance between the positioning structure and the clamping sleeve is a preset distance, and the positioning structure is used for being clamped on the clamping sleeve; the flexible wrapping layer wraps the part which can be contacted with eye tissues outside the band body, the clamping sleeve and the positioning structure. The utility model discloses can reduce the emergence that the joint box is difficult to strut and the easy damaged circumstances such as to prevent the postoperative slippage, be favorable to improving operating efficiency, shorten the operation time.

Description

Retina ring-tying belt

Technical Field

The utility model belongs to the technical field of ophthalmic surgery apparatus, more specifically say, relate to a retina cerclage area.

Background

Retinal cerclage, also known as scleral cerclage, is one of the scleral buckling procedures, and aims to reduce the traction of the vitreous body on the retina, i.e., to prevent retinal detachment. Retina cerclage art will use the retina cerclage area, and present common retina cerclage area includes the bundle tape strip and the elastic sleeve that silica gel made, when performing the operation, after wrapping around the position with the ribbon strip, the elastic sleeve of intercepting suitable length struts with the instrument, later with in penetrating the elastic sleeve after strutting at ribbon strip both ends to adjust to suitable elasticity, release elastic sleeve at last and with ribbon strip both ends cover tight, and it can to cut off the unnecessary part of ribbon strip.

However, in the operation process, the tightness of the band tie only depends on the experience of a doctor, the band tie is easy to be too loose or too tight, the band tie is easy to fall off if the band tie is too loose, and the eye discomfort of a patient is easy to cause if the band tie is too tight, and the elastic sleeve is difficult to be stretched and easy to be stretched, so that the operation is troublesome, the efficiency is low, and the operation time is prolonged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a retina cerclage area to solve the foretell technical problem who exists among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: the retina cerclage comprises a cerclage body, a clamping sleeve, a positioning structure and a flexible wrapping layer, wherein a plurality of clamping teeth are arranged in the middle of one side of the cerclage body along the length direction; the clamping sleeve is connected with one end of the band body, a clamping tongue is arranged in the clamping sleeve, and the clamping tongue is used for clamping the clamping tooth after the other end of the band body penetrates through the clamping sleeve; the positioning structure is arranged on the band body, the distance between the positioning structure and the clamping sleeve is a preset distance, and the positioning structure is used for being clamped on the clamping sleeve; the flexible wrapping layer wraps the part which can be contacted with eye tissues outside the band body, the clamping sleeve and the positioning structure.

In a possible implementation mode, the number of the clamping sleeves is at least two, the at least two clamping sleeves are fixed at one end of the band body along the length direction of the band body, and the at least two clamping sleeves are respectively clamped with different clamping teeth on the band body.

In one possible implementation, the positioning structure is a protrusion structure, a groove structure, a graduation line or a mark body.

In one possible implementation manner, the positioning structure is a positioning bulge and is used for being clamped between the two clamping sleeves; the positioning structure is an elastic structure; the part of the positioning structure contacted with the clamping sleeve is provided with an anti-skid structure; the positioning structure comprises a convex block or a convex ring which is arranged around the band body in the cross section direction of the band body.

In a possible implementation manner, the positioning structures are a plurality of positioning structures arranged along the length direction of the band body.

In one possible implementation, the clamping teeth and the positioning structures are arranged on the opposite side of the band body.

In one possible implementation, the clamping sleeve is of an elastic structure, and the inner dimension of the clamping sleeve is smaller than the section dimension of the band body, so that the clamping sleeve can tightly tie the band body by using the elastic sleeve.

In a possible implementation mode, the clamping teeth and the clamping tongues are of hard structures, the clamping tongues are located on one side, close to the ribbon body, of the clamping sleeve, and the clamping teeth are located in the middle of the ribbon body and matched with the clamping tongues, so that the clamping teeth and the clamping tongues are not exposed after the ribbon body is inserted into the clamping sleeve.

In a possible implementation manner, a reinforcing ring is arranged on the inner wall of at least one end of the clamping sleeve so as to reduce the possibility of splitting of the clamping sleeve in the process of expanding the clamping sleeve.

In a possible implementation mode, the flexible wrapping layer, the ribbon body and the clamping sleeve are of an integrated structure, and the clamping sleeve is fixedly connected with the ribbon body.

In one possible implementation manner, the band tying body, the clamping sleeve, the positioning structure and the flexible wrapping layer are all silica gel structures, and corners of the band tying body, the clamping sleeve, the positioning structure and the flexible wrapping layer are all smooth structures.

The utility model provides a retina ligature's beneficial effect lies in: compared with the prior art, when the utility model is used for operation, the binding belt body is firstly wound around the cerclage part, the end part of the binding belt body is inserted into the clamping sleeve and is continuously pulled until the positioning structure passes through the clamping sleeve, the clamping tooth and the clamping tongue are meshed together, and then the redundant part of the binding belt body is cut off; the utility model discloses a set up flexible parcel layer and can avoid eye tissue friction damage, can tie the elasticity of the body of the area according to the preset distance control that has set for in advance more directly perceivedly through setting up location structure moreover, the operation of being convenient for makes the joint cover need not to design too tightly, can reduce the emergence that the joint cover is difficult to strut and the easy condition such as damaged, reduces the postoperative pine and takes off, is favorable to improving operating efficiency, shortens the operation time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic front view of a retinal cerclage band according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a portion of a clamping sleeve of a retinal cerclage band according to an embodiment of the present invention;

fig. 3 is a schematic top view of a clamping sleeve portion of a retinal cerclage band according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a clamping sleeve portion of a retinal cerclage band according to another embodiment of the present invention.

Wherein the reference numerals in the figures are as follows:

10. tying a belt body; 11. clamping teeth;

20. a clamping sleeve; 21. a latch; 22. a reinforcement ring;

30. a positioning structure;

40. and (4) a flexible wrapping layer.

Detailed Description

In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The retinal cerclage provided by the present invention will now be described.

Referring to fig. 1 to 3 together, a retinal cerclage according to a first embodiment of the present invention includes a tie body 10, a clamping sleeve 20, a positioning structure 30 and a flexible wrapping layer 40, wherein a plurality of clamping teeth 11 are disposed in a middle portion of one side of the tie body 10 along a length direction; the clamping sleeve 20 is connected with one end of the band body 10, a clamping tongue 21 is arranged in the clamping sleeve, and the clamping sleeve is used for enabling the clamping tongue 21 to clamp the clamping tooth 11 after the other end of the band body 10 penetrates; the positioning structure 30 is arranged on the band body 10, and the distance between the positioning structure and the clamping sleeve 20 is a preset distance, and is used for being clamped on the clamping sleeve 20; flexible wrapping 40 wraps the band body 10, clamping sleeve 20, and positioning structure 30 at a location where they can contact eye tissue.

Compared with the prior art, in the retinal ligation band provided by the embodiment, during surgery, firstly, the band body 10 is wound around the ligation position, then, the end part of the band body 10 is inserted into the clamping sleeve 20, and traction is continued until the positioning structure 30 passes through the clamping sleeve 20, at this time, the clamping teeth 11 and the clamping tongues 21 are also meshed together, and then, the redundant part of the band body 10 is cut off; the utility model discloses a set up flexible parcel layer 40 and can avoid eye tissue friction damage, can more directly perceivedly according to the degree of tightness of the body 10 is pricked in the control of preset distance (such as 70mm etc.) that sets for in advance through setting up location structure 30 in addition, the operation of being convenient for makes joint cover 20 need not to design too tightly, can reduce the emergence that joint cover 20 is difficult to strut and the easy condition such as damaged, is favorable to improving operating efficiency, shortens operation time.

Referring to fig. 1 to 4, the present invention provides a first embodiment, which comprises the following steps:

clamping sleeve 20 is at least two, and at least two clamping sleeve 20 are fixed in ribbon body 10 one end along the length direction of ribbon body 10, two at least clamping sleeve 20 respectively with the different joint tooth 11 joints on the ribbon body 10 to reinforcing connection ability avoids the slippage.

The positioning structure 30 may be a protruding structure, a recessed structure, a graduation line formed by a coating, or a marking body with different colors.

As shown in FIG. 4, if the positioning structure 30 is a groove structure, a scale line or a mark body, it can indicate that the cerclage is in place, and the circle is exactly 70mm, which is convenient for operation.

As shown in fig. 1 to 3, when the positioning structure 30 is a positioning protrusion, it is used to be caught between two clamping sleeves 20 to reduce the possibility of slippage between the band body 10 and the clamping sleeves 20. The connection between the band 10 and the clamping sleeve 20 can be strengthened by arranging the clamping teeth 11, the clamping tongues 21 and the positioning structures 30 which are matched with each other, so that the clamping sleeve 20 does not need to be designed too tightly, and the situations that the clamping sleeve 20 is difficult to unfold, easy to damage and the like can be reduced.

The positioning structure 30 may be a resilient structure to reduce trauma to surrounding tissue and to facilitate surgical procedures and reduce the likelihood of crushing the clamping sleeve 20.

The contact part of the positioning structure 30 and the clamping sleeve 20 is provided with an anti-skid structure which comprises an anti-skid coating, anti-skid lines, a reverse inclined plane and the like; the locating structure 30 comprises a projection or torus disposed around the tie body 10 in the cross-sectional direction of the tie body 10.

The positioning structures 30 are arranged along the length direction of the band body 10 to position different length ranges on the band body 10.

Clamping teeth 11 and positioning structures 30 are arranged on the back of band body 10 to enhance connection and improve connection reliability. The clamping effect is better because if the positioning structure 30 is pulled into the clamping sleeve 20 by a traction force after the operation, the clamping teeth 11 and the clamping tongues 21 are pressed more tightly.

Clamping sleeve 20 is elastic structure, and the internal dimension of clamping sleeve 20 is less than the cross-sectional dimension of the area of tieing area body 10 to make clamping sleeve 20 can utilize elastic sleeve to tightly tie area body 10. When in use, the clamping sleeve 20 is spread by using tweezers and special pliers, and the band body 10 can be inserted.

Clamping tooth 11 and block tongue 21 are the stereoplasm structure, and block tongue 21 is located the clamping sleeve 20 and is close to the one side of the area of tie body 10, and clamping tooth 11 is located the area of tie body 10 middle part and cooperates with block tongue 21 to make clamping tooth 11 and block tongue 21 all not expose after inserting the area of tie body 10 in clamping sleeve 20.

A stiffening ring 22 is provided on the inner wall of at least one end of the clamping sleeve 20 to reduce the likelihood of the clamping sleeve 20 splitting during the spreading apart of the clamping sleeve 20.

Flexible parcel 40 and ribbon body 10 and joint cover 20 formula structure as an organic whole, joint cover 20 and ribbon body 10 fixed connection.

Ribbon body 10, joint cover 20, location structure 30 and flexible parcel layer 40 are the silica gel structure, and ribbon body 10, joint cover 20, location structure 30 and flexible parcel layer 40's corner is smooth structure to avoid the tissue around the fish tail.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A retinal cerclage, comprising:

a plurality of clamping teeth (11) are arranged in the middle of one side of the band body (10) along the length direction;

the clamping sleeve (20) is connected with one end of the band tying body (10), a clamping tongue (21) is arranged inside the clamping sleeve, and the clamping sleeve is used for enabling the clamping tongue (21) to clamp the clamping tooth (11) after the other end of the band tying body (10) penetrates through the clamping sleeve;

the positioning structure (30) is arranged on the band body (10), has a preset distance with the clamping sleeve (20) and is used for being clamped on the clamping sleeve (20);

and the flexible wrapping layer (40) wraps the parts, which can be contacted with eye tissues, outside the band body (10), the clamping sleeve (20) and the positioning structure (30).

2. The retinal cerclage of claim 1, wherein: the splicing sleeve (20) is at least two, at least two the splicing sleeve (20) is followed the length direction of the band body (10) is fixed the band body (10) one end, at least two the splicing sleeve (20) respectively with different splicing teeth (11) joint on the band body (10).

3. The retinal cerclage of claim 1, wherein: the positioning structure (30) is a convex structure, a groove structure, a scale mark or a mark body.

4. The retinal cerclage of claim 2, wherein: the positioning structure (30) is a positioning bulge and is used for being clamped between the two clamping sleeves (20); the positioning structure (30) is an elastic structure; the part of the positioning structure (30) in contact with the clamping sleeve (20) is provided with an anti-skidding structure; the positioning structure (30) comprises a bump or a bulge loop which is arranged around the band body (10) in the cross section direction of the band body (10).

5. The retinal cerclage of claim 3, wherein: the positioning structures (30) are arranged along the length direction of the band body (10); the clamping teeth (11) and the positioning structures (30) are arranged on the back of the band body (10).

6. The retinal cerclage of claim 1, wherein: the clamping sleeve (20) is of an elastic structure, and the inner size of the clamping sleeve (20) is smaller than the section size of the band tying body (10), so that the clamping sleeve (20) can tightly tie the band tying body (10) by using the elastic sleeve.

7. The retinal cerclage of claim 6, wherein: joint tooth (11) with block tongue (21) are the stereoplasm structure, block tongue (21) are located joint cover (20) and are close to one side of the area body (10) of pricking, joint tooth (11) are located prick area body (10) middle part and with block tongue (21) cooperation to the messenger is pricking area body (10) and is inserting joint cover (20) back joint tooth (11) with block tongue (21) all do not expose.

8. The retinal cerclage of claim 6, wherein: the inner wall of at least one end of the clamping sleeve (20) is provided with a reinforcing ring (22) so as to reduce the possibility of splitting of the clamping sleeve (20) in the process of expanding the clamping sleeve (20).

9. The retinal cerclage of claim 1, wherein: the flexible wrapping layer (40) and the band tying body (10) and the clamping sleeve (20) are of an integrated structure, and the clamping sleeve (20) is fixedly connected with the band tying body (10).

10. The retinal cerclage of claim 1 or 9, wherein: prick the area body (10), joint cover (20), location structure (30) and flexible parcel layer (40) are the silica gel structure, just prick the area body (10), joint cover (20), location structure (30) and the corner of flexible parcel layer (40) is level and smooth structure.