CN218220436U

CN218220436U - Retina brush

Info

Publication number: CN218220436U
Application number: CN202123275187.0U
Authority: CN
Inventors: 李忠泽; 王俊健; 封骁; 孙蒙; 李菊敏
Original assignee: Suzhou Bili Medical Technology Co ltd
Current assignee: Suzhou Bili Medical Technology Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2023-01-06
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a retina brush, which comprises a handle, wherein an installation channel is limited in the handle, and the handle is provided with an installation hole communicated with the installation channel; the sliding block is movably arranged in the mounting channel along the axial direction of the mounting channel, and one part of the sliding block extends out of the mounting hole; the sleeve is arranged on the handle, one end of the sleeve is connected with the sliding block and moves synchronously with the sliding block, and the other end of the sleeve extends out of the mounting channel; the core tube is arranged on the handle, one end of the core tube is connected with the handle, and the sleeve is sleeved on the core tube and can move relative to the core tube; the brush head is arranged at the other end of the core pipe and is provided with a plurality of scraping tooth parts which are arranged at intervals along the length direction of the brush head. The retina brush can safely and efficiently lift and scrape the valve of the inner limiting membrane and the hyperplastic tissue membrane in the posterior segment operation of ophthalmology.

Description

Retina brush

Technical Field

The utility model belongs to the technical field of the medical treatment, concretely relates to retina brush.

Background

Vitreoretinal surgery combined with inner limiting membrane removal is a new technology which is made up in recent years, is mainly applied to traction macular degeneration treatment in ophthalmic posterior segment surgery, especially to the treatment of the macular membrane and macular hole, and becomes a standardized treatment scheme. The purpose of the surgery is to completely remove the tangential traction of the vitreoretinal interface in the lesion area to restore the normal morphology of the fovea in the macular area. The technology can also be used for preventively stripping the inner limiting membrane and removing the new vessel hyperplasia in the vitreous operation of vitreous hemorrhage caused by retinal vascular diseases, thereby achieving the purpose of preventing the generation of secondary macular degeneration.

Most doctors now use diamond brushes and some elaborate fundus forceps or intraocular hooks to perform the opening of the inner limiting membrane and the proliferation membrane. However, diamond brushes are relatively soft to use, have a small contact surface, are inefficient to peel, and are prone to causing collateral damage. The intraocular forceps or the hook tool has a very narrow contact surface, and is easy to accidentally injure blood vessels and retina tissues, so that the operation difficulty is high for a large range of membrane tissues or at the initial membrane stripping.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.

Therefore, the utility model provides a retina brush, which has the advantages of simple structure, simple and convenient operation, good membrane stripping effect and the like.

According to the utility model discloses retina brush includes: the handle is internally provided with a mounting channel, and is provided with a mounting hole communicated with the mounting channel; the sliding block is movably arranged in the mounting channel along the axial direction of the mounting channel, and a part of the sliding block extends out of the mounting hole; the sleeve is arranged on the handle, one end of the sleeve is connected with the sliding block and moves synchronously with the sliding block, and the other end of the sleeve extends out of the mounting channel; the core tube is arranged on the handle, one end of the core tube is connected with the handle, and the sleeve is sleeved on the core tube and can move relative to the core tube; the brush head is arranged at the other end of the core pipe and provided with a plurality of scraping tooth parts which are arranged at intervals along the length direction of the brush head.

According to the retina brush provided by the embodiment of the utility model, the movable sleeve is arranged on the handle, so that the brush head is positioned in the sleeve when the retina brush is not in use or before the retina brush enters eyes through the channel, and the sleeve can protect the brush head; in addition, scrape tooth portion through setting up on brushing the head, can increase brush head and wait to peel off the area of contact of membrane tissue contact surface to promote the efficiency of peeling off of brush head, effectively realize the lamella that rises of membrane tissue and peel off and scrape, the medical personnel of being convenient for use.

According to an embodiment of the present invention, the brush head comprises: a connection part connected with the core tube; scraping part, scraping part is the arc structure, scraping part's both ends respectively with connecting portion are connected, scrape tooth portion and locate scraping part's surface.

According to the utility model discloses an embodiment, connecting portion are two, every connecting portion respectively with strike off the one end of portion and connect.

According to the utility model discloses an embodiment, connecting portion are for following installation passageway's axially extended rectangular shape structure, strike off the plane in portion and for connecting portion slope sets up.

According to the utility model discloses an embodiment, scrape the tooth portion along the length direction spaced apart evenly distributed of scraping off the portion.

According to an embodiment of the present invention, the scraping tooth portion is an annular protrusion extending along a circumferential direction of the scraping portion.

According to the utility model discloses an embodiment, adjacent two it forms the arc wall to scrape between the tooth portion.

According to an embodiment of the present invention, the scraping portion is a u-arc structure.

According to one embodiment of the present invention, the brush head is an integrally formed medical alloy member.

According to the utility model discloses an embodiment, the surface of handle is equipped with the portion of gripping, the portion of gripping is equipped with the recess, the slider is located the recess, the length of recess is greater than the length of slider.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram of a retinal brush according to an embodiment of the present invention;

figure 2 is a top view of a brush head according to an embodiment of the present invention;

figure 3 is a side view of a brush head according to an embodiment of the present invention;

fig. 4 is an enlarged schematic view of region a in fig. 1.

Reference numerals:

a retinal brush 100;

a handle 10; a mounting channel 11; a mounting hole 12; a grip portion 13; a recess 131;

a slider 20;

a sleeve 30;

a core tube 40;

a brush head 50; a connecting portion 51; a scraping section 52; the scraping tooth portion 521.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The following describes the retinal brush 100 according to an embodiment of the present invention in detail with reference to the drawings.

As shown in fig. 1 to 4, a retinal brush 100 according to an embodiment of the present invention includes a handle 10, a slider 20, a sleeve 30, a core tube 40, and a brush head 50.

Specifically, a mounting channel 11 is defined in the handle 10, the handle 10 is provided with a mounting hole 12 communicated with the mounting channel 11, the slider 20 is movably arranged in the mounting channel 11 along the axial direction of the mounting channel 11, a part of the slider 20 extends out of the mounting hole 12, the sleeve 30 is arranged on the handle 10, one end of the sleeve 30 is connected with the slider 20 and synchronously moves with the slider 20, the other end of the sleeve 30 extends out of the mounting channel 11, the core tube 40 is arranged on the handle 10, one end of the core tube 40 is connected with the handle 10, the sleeve 30 is sleeved on the core tube 40 and is movable relative to the core tube 40, the brush head 50 is arranged at the other end of the core tube 40, and the brush head 50 is provided with a plurality of scraping tooth parts 521 which are arranged at intervals along the length direction of the brush head 50.

In other words, the retinal brush 100 according to the embodiment of the present invention is mainly composed of a handle 10 capable of being held, a slider 20 movable in the longitudinal direction of the handle 10, a sleeve 30 capable of moving synchronously with the slider 20, a core tube 40 located inside the sleeve 30, and a brush head 50 capable of cooperating with the core tube 40 to perform a peeling function.

Wherein, the handle 10 is provided with a mounting channel 11 for mounting the internal structure of the retinal brush 100, and the handle 10 is further provided with a mounting hole 12, and the mounting hole 12 can be used for leading out the structure to be led out from the interior of the mounting channel 11. Specifically, the handle 10 may be an elongated handle 10 for easy handling, and the extension direction of the mounting channel 11 may be the same as the extension direction of the handle 10.

The sliding block 20 is arranged in the mounting channel 11, the sliding block 20 can move back and forth along the axial direction of the mounting channel 11, and a part of the sliding block 20 can extend out of the mounting hole 12 on the handle 10, so that the position of the sliding block 20 can be operated conveniently. During use, an operator can use fingers to drive the sliding block 20 on the outer surface of the handle 10 to slide, so as to drive the sliding block 20 in the installation channel 11 to slide.

One end of the sleeve 30 may be connected to the slider 20 so that the sleeve 30 can move in synchronization with the slider 20 and the other end of the sleeve 30 can protrude out of the mounting channel 11. That is, the medical staff can push the sleeve 30 to move along the extending direction of the installation channel 11 during the moving of the slider 20. It should be noted that the sleeve 30 may be directly connected to the slider 20, or may be connected to the slider 20 through an internal transmission structure, and the transmission structures may be disposed in the installation channel 11.

One end of the core tube 40 can be connected with the handle 10, the other end of the core tube 40 is provided with a brush head 50, and the sleeve 30 can be sleeved on the periphery of the core tube 40 and can move relative to the core tube 40. That is, the core tube 40 may be coaxially disposed with the sleeve 30, and the sleeve 30 can move along the outer circumference of the core tube 40 by the pushing of the slider 20, so that the brush head 50 is extended out of the sleeve 30 or retracted into the sleeve 30. When the brush head 50 is used, the scraping tooth part 521 of the brush head 50 can be directly applied to the initial flap-up work of peeling off the membrane.

Before the retina brush 100 according to the embodiment of the present invention is used, the sleeve 30 can be completely sleeved on the core tube 40 and the brush head 50 by sliding the sliding block 20, so that the brush head 50 is located in the sleeve 30, and the sleeve 30 is protected. After passing the retinal brush through the tunnel into the eye, the slider 20 can be slid to push the sleeve 30 back so that the brush head 50 extends out of the sleeve 30, and the tissue to be stripped can then be scraped away with the brush head 50.

Thus, with the retinal brush 100 according to embodiments of the present invention, by providing the movable sleeve 30 on the handle 10, the brush head 50 is located inside the sleeve 30 in an unused state or before the retinal brush enters the eye through a passage, and the sleeve 30 can protect the brush head 50; in addition, through set up scraping tooth portion 521 on brush head 50, can increase brush head 50 and the area of contact of waiting to peel off the membrane tissue contact surface to promote brush head 50 peel off efficiency, effectively realize the membrane tissue play lamella with peel off and scrape, the medical personnel of being convenient for use.

In some embodiments of the present invention, as shown in fig. 2 and 3, a brush head 50 includes: the connecting portion 51 is connected with the core tube 40, the scraping portion 52 is of an arc-shaped structure, two ends of the scraping portion 52 are respectively connected with the connecting portion 51, and the scraping tooth portion 521 is arranged on the outer surface of the scraping portion 52.

That is, the brush head 50 mainly includes the connecting portion 51 and the scraping portion 52, the scraping portion 52 is provided with the scraping portion 521, that is, the scraping portion 52 is a main structure for scraping off the tissues to be peeled, and the connecting portion 51 serves to connect the scraping portion 52 with the core tube 40. By providing the scraping part 52 with an arc-shaped structure and providing the scraping tooth part 521 on the surface thereof, the contact area of the scraping part 52 with the eyes can be increased, thereby improving the peeling efficiency of the brush head 50.

According to an embodiment of the present invention, as shown in fig. 2, there are two connecting portions 51, and each connecting portion 51 is connected to one end of the scraping portion 52.

Alternatively, in some embodiments of the present invention, as shown in fig. 3, the connecting portion 51 is an elongated structure extending along the axial direction of the installation channel 11, and the plane of the scraping portion 52 is disposed obliquely with respect to the connecting portion 51.

That is, both ends of the scraping portion 52 are connected to the core tube 40 by a connecting portion 51, respectively, and the connecting portion 51 may have a long bar shape, and the connecting portion 51 can extend along the axial direction of the installation passage 11. For example, the connecting portion 51 may have two thin rod-like structures, and the extending direction of the connecting portion 51 may coincide with the axial extending direction of the mounting passage 11. In addition, the plane of scraping portion 52 can be inclined relative to connecting portion 51, that is, there is an included angle between scraping portion 52 and connecting portion 51, and the size of included angle can be selected according to actual conditions, and through scraping portion 52 is inclined relative to connecting portion 51, when the operation, the handheld handle 10 of operating personnel can be more convenient for.

Thus, by providing the connecting portion 51 as an elongated structure extending in the axial direction of the mounting channel 11, the fitting of the connecting portion 51 to the mounting channel 11 can be facilitated. In addition, the scraping part 52 and the connecting part 51 are arranged in a relatively inclined manner, so that the scraping part 52 can be attached to the eyes conveniently, and the scraping part 52 can be prevented from stabbing the eyes.

According to an embodiment of the present invention, as shown in fig. 4, the scraping tooth portions 521 are uniformly spaced along the length direction of the scraping portion 52.

That is, the plurality of scraping tooth portions 521 are uniformly distributed in the longitudinal direction of the scraping portion 52. Through scraping spaced-apart evenly distributed of tooth portion 521 on scraping portion 52 to can guarantee to scrape tooth portion 521 and too not concentrate the distribution, promote use comfort, guarantee to scrape the effect.

In some embodiments of the present invention, the scraping tooth portion 521 is an annular protrusion extending along the circumferential direction of the scraping portion 52. That is, the entire outer surface of the scraping portion 52 is provided with the scraping tooth portion 521. By providing the scraping tooth portion 521 as an annular protrusion, the peeling efficiency can be further improved, and the contact area between the scraping portion 52 and the eye portion can be further increased.

According to an embodiment of the present invention, as shown in fig. 4, an arc-shaped groove is formed between two adjacent scraping teeth 521. By forming the arc-shaped groove between two adjacent scraping tooth parts 521, the contact surface of the scraping tooth part 521 and the film tissue to be peeled off can be made larger, and the injury of the scraping tooth part 521 to the eyes can be further prevented.

In some embodiments of the present invention, as shown in fig. 2, the scraping portion 52 has a major arc structure. That is, the arc shape of the scraping portion 52 is larger than a semicircle. By setting the scraping part 52 as a major arc, the area of the middle hollow of the scraping part 52 is increased, so that the use efficiency of the scraping part 52 can be improved. The contact surface of the retina brush 100 and the tissues of the membrane to be stripped is large, so that the retina brush is more suitable for initial flap-lifting work of membrane stripping, is softer compared with the intraocular forceps, does not shield the surgical visual field, and greatly improves the efficiency and the safety.

According to one embodiment of the present invention, the brush head 50 is an integrally formed medical alloy. Through setting up brush head 50 to integrated into one piece structure, the production and processing of brush head 50 of being convenient for promotes overall structure's production efficiency. In addition, the brush head 50 is made of the superfine medical alloy wires with high elastic performance, so that the working end cannot deform during extension and retraction, and the using function of the brush head 50 is guaranteed. For example, the medical alloy may be a nickel titanium alloy. The nickel titanium alloy is more amenable to fabrication and processing of the brush head 50 because of its good ductility.

In some embodiments of the present invention, as shown in fig. 1, the outer surface of the handle 10 is provided with a holding portion 13, the holding portion 13 is provided with a groove 131, the slider 20 is provided in the groove 131, and the length of the groove 131 is greater than the length of the slider 20. The grip portion 13 is provided on the outer surface of the handle 10, thereby facilitating gripping. In addition, the groove 131 is formed on the holding portion 13, so that the slider 20 can be easily mounted on the handle 10. Further, the length of the groove 131 can be greater than the length of the slider 20, so that the slider 20 can slide back and forth along the length direction of the groove 131, and the sleeve 30 can be driven to move, and the brush head 50 can be effectively protected by the sleeve 30 in an idle state.

Optionally, the holding part 13 on the surface of the handle 10 is made of a high polymer material, and the surface of the handle 10 can be coated with a TPE soft rubber material, so that the use hand feeling is improved.

In summary, according to the retinal brush 100 of the present invention, by combining the handle 10, the slider 20, the sleeve 30, the core tube 40 and the brush head 50, the area of the brush head 50 in contact with the tissue to be stripped is larger, and the initial valve-opening work of membrane stripping is more suitable. The provision of the core tube 40 and the sleeve 30 protects the brush head 50 from deformation.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A retinal brush, comprising:

the handle is internally provided with a mounting channel, and is provided with a mounting hole communicated with the mounting channel;

the sliding block is movably arranged in the mounting channel along the axial direction of the mounting channel, and a part of the sliding block extends out of the mounting hole;

the sleeve is arranged on the handle, one end of the sleeve is connected with the sliding block and moves synchronously with the sliding block, and the other end of the sleeve extends out of the installation channel;

the core tube is arranged on the handle, one end of the core tube is connected with the handle, and the sleeve is sleeved on the core tube and can move relative to the core tube;

the brush head is arranged at the other end of the core pipe and provided with a plurality of scraping tooth parts which are arranged at intervals along the length direction of the brush head.

2. The retinal brush of claim 1, wherein the brush head comprises:

a connection part connected with the core tube;

scraping part, scraping part is the arc structure, scraping part's both ends respectively with connecting portion are connected, scrape tooth portion and locate scraping part's surface.

3. The retinal brush of claim 2 wherein there are two of the connecting portions, each of the connecting portions being connected to one end of the scraping portion.

4. The retinal brush of claim 2 wherein the connecting portion is an elongated structure extending in an axial direction of the mounting channel, the plane of the scraper portion being disposed obliquely relative to the connecting portion.

5. The retinal brush of claim 2 wherein the scraping tooth portions are evenly spaced along the length of the scraping portion.

6. The retinal brush of claim 2, wherein the scraping portion is an annular protrusion extending along a circumferential direction of the scraping portion.

7. The retinal brush of claim 6, wherein an arcuate slot is formed between adjacent two of the scraping tooth portions.

8. The retinal brush of claim 2 wherein the scraping portion is a major arc structure.

9. The retinal brush of claim 2 wherein the brush head is an integrally formed piece of medical alloy.

10. The retinal brush of claim 1 wherein the outer surface of the handle has a gripping portion with a groove and the slider has a groove, the groove having a length greater than the length of the slider.