Miniature lens line for treating kidney stone

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to a miniature lens line for treating kidney stone, which comprises a flexible circuit board, a miniature image sensor, LED (light-emitting diode) modules, a capacitor, a wire rod and an elastic sleeve, the miniature image sensor is arranged at the front end of the flexible circuit board and located between the two LED modules, the capacitor is arranged on the flexible circuit board, the wire rod is connected to the position, away from the front end of the flexible circuit board, of the flexible circuit board, and the elastic sleeve at least covers part of the wire rod and the connecting position of the wire rod and the flexible circuit board. Epoxy resin glue for packaging the joint of the wire rod and the flexible circuit board is injected into the elastic sleeve. When in use, the miniature lens wire enters the ureteroscope and is repeatedly bent by 250 degrees, so that a welding spot at the joint of the wire and the flexible circuit board cannot be broken, the bending service life is longer, and the use stability is more reliable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical devices, especially relates to a micro lens line for treating kidney stones. BACKGROUND

[0002] In the medical device application aspect, the micro lens line is mainly applied to the guided ureteroscopy kidney drainage surgery, and the surgery is a new type of integrated minimally invasive treatment method for kidney stones, the doctor inserts the micro lens line into the ureter of the human body, and uses laser lithotripsy, flushing and vacuum suction to realize complete removal of the stones through the surgical instrument and the camera display system, the removal rate is more than 97%, and the micro lens line can be widely applied to high-risk patients, has no instrument-related complications and no postoperative hospitalization, can effectively avoid the incidence of repeated ureteroscopy and PCNL, and reduces the need for secondary surgery of the patient.

[0003] For example, the Chinese utility model patent with the publication number CN219461086U proposes a micro lens line, relates to the technical field of auxiliary devices for internal medicine medical surgery, a flexible circuit board is arranged on one side in the interior of a lens protection shell, and the flexible circuit board is welded and connected with the lens protection shell, LED modules are arranged on the two sides of one end of the flexible circuit board, micro lenses are arranged on the other side of the LED modules, the size of the micro lenses is 0.65*0.65, the pixels of the micro lenses are 200*200, a connecting electric lead is arranged below the other side of the lens protection shell, and the LED modules and the micro lenses are fixedly connected with the lens protection shell through encapsulation glue, the micro lens line can more conveniently check the position to be checked through the micro lenses, the effect of the micro lenses is better than that of the existing lenses, and the micro lenses are more convenient to install. However, in the existing micro lens line applied to the guided ureteroscopy kidney drainage surgery, the lens protection shell cannot be repeatedly bent at a large angle when entering the ureter, if the repeated large-angle bending is forcibly performed, the part connected with the lens protection shell will be disconnected, the image will not be comprehensive, the stones will not be completely cleaned, the stones will easily recur, and the service life is short. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a micro lens line for treating kidney stones, and aims at solving the technical problems that the micro lens line in the prior art is easily damaged and has a short service life if repeatedly bent at a large angle during use.

[0005] To achieve the above object, the utility model discloses a kind of miniature lens lines for treating kidney stone, including flexible circuit board, miniature image sensor, LED module, electric capacity and wire, the front end both sides of the flexible circuit board are provided with the LED module, the miniature image sensor is set to the front end of the flexible circuit board and is located between two the LED module, the electric capacity is set on the flexible circuit board, the wire is connected in the position of the flexible circuit board away from its front end;The miniature lens line for treating kidney stone further includes elastic sleeve, at least the wire and the connecting portion of the wire and the flexible circuit board are covered by the elastic sleeve, epoxy resin glue is injected in the elastic sleeve, and the connecting portion of the wire and the flexible circuit board is encapsulated.

[0006] Optionally, the connecting portion of the miniature image sensor, the electric capacity and the flexible circuit board is also encapsulated with epoxy resin glue.

[0007] Optionally, the thickness of the flexible circuit board is ≤0.2mm.

[0008] Optionally, the elastic sleeve covers part of the epoxy resin glue encapsulated in the connecting portion of the wire and the flexible circuit board, and the width is ≤1.6mm and the thickness is ≤0.7mm.

[0009] Optionally, the elastic sleeve is an elastic nylon sleeve.

[0010] Optionally, the elastic sleeve includes a small-mouthed round tube segment and an expanded-mouthed spinal tube segment arranged in the length direction, the small-mouthed round tube segment covers part of the wire, and the expanded-mouthed spinal tube segment covers the connecting portion of the wire and the flexible circuit board.

[0011] The miniature lens line for treating kidney stone provided by the utility model has one or more of the above technical solutions, and has at least one of the following technical effects: the miniature lens line for treating kidney stone of the utility model is provided with an elastic sleeve, which covers part of the wire and the connecting portion of the wire and the flexible circuit board, so that the connecting portion of the wire and the flexible circuit board is protected by the elastic sleeve, and epoxy resin glue is injected in the elastic sleeve, which encapsulates the connecting portion of the wire and the flexible circuit board, thereby strengthening the stability of the connecting portion of the wire and the flexible circuit board and preventing the connecting portion from being broken. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0013] Figure 1 The structural schematic diagram of the micro-lens line for treating kidney stones provided by the embodiment of the present application.

[0014] Figure 2 The top view of the micro-lens line for treating kidney stones provided by the embodiment of the present application.

[0015] Figure 3 The front view of the micro-lens line for treating kidney stones provided by the embodiment of the present application.

[0016] Figure 4 The structural exploded schematic diagram of the micro-lens line for treating kidney stones provided by the embodiment of the present application.

[0017] Figure 5 The structural schematic diagram of the micro-lens line for treating kidney stones provided by the embodiment of the present application applied to a ureteroscope.

[0018] In the drawings, various reference signs:

[0019] 10 - flexible circuit board 20 - micro image sensor 30 - LED module

[0020] 40 - capacitor 50 - wire 60 - elastic sleeve

[0021] 61 - small mouth pipe section 62 - flared pipe section 70 - epoxy resin glue

[0022] 100 - micro-lens line 200 - ureteroscope. DETAILED DESCRIPTION

[0023] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The following will be described by referring to the drawings. Figures 1-5 The described embodiments are exemplary, and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.

[0024] In the description of the embodiments of the utility model, it is understood that the directions or position relations indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and thus cannot be understood as indicating or implying that the devices or elements indicated must have a specific direction, be constructed in a specific direction and be operated, and thus cannot be understood as limiting the utility model.

[0025] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0026] In the embodiments of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be the communication inside two elements or the interaction relationship between two elements. For ordinary skilled persons in the art, the specific meanings of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.

[0027] In one embodiment of the utility model, as shown in Figures 1-4 A miniature lens line 100 for treating kidney stones is provided, which comprises a flexible circuit board 10, a miniature image sensor 20, an LED module 30, a capacitor 40 and a wire 50. The LED module 30 is arranged on both sides of the front end of the flexible circuit board 10. The miniature image sensor 20 is arranged on the front end of the flexible circuit board 10 and located between the two LED modules 30. The capacitor 40 is arranged on the flexible circuit board 10. The wire 50 is connected to the position of the flexible circuit board 10 away from the front end thereof.

[0028] Further, as shown in Figures 1-4 The miniature lens line 100 for treating kidney stones further comprises an elastic sleeve 60 made of plastic material. The elastic sleeve 60 at least covers part of the wire 50 and the connection between the wire 50 and the flexible circuit board 10, that is, part of the elastic sleeve 60 covers outside the wire 50, another part covers outside the flexible circuit board, and the part of the flexible circuit board covered also realizes the connection position with the wire 50.

[0029] Further, as shown in Figures 1-4 , the elastic sleeve 60 is filled with epoxy glue 70 encapsulating the connection between the wire 50 and the flexible circuit board 10, so that the epoxy glue 70 can fill the gap in the elastic sleeve 60 as much as possible. Wherein, after the epoxy glue 70 is cured, it can stably bond the solder joint of the connection between the wire 50 and the flexible circuit board 10, so as to also ensure that the connection between the wire 50 and the flexible circuit board is not easy to break when in a bent state.

[0030] In the micro lens line 100 for treating kidney stones according to the embodiments of the utility model, the elastic sleeve 60 is arranged, the elastic sleeve 60 is arranged to cover part of the wire 50 and the connection between the wire 50 and the flexible circuit board 10, so that the connection between the wire 50 and the flexible circuit board can be protected by the elastic sleeve 60, and further, the epoxy glue 70 is injected into the elastic sleeve 60, the connection between the wire 50 and the flexible circuit board is encapsulated by the epoxy glue 70, the stability of the connection between the wire 50 and the flexible circuit board is strengthened, and the connection between the wire 50 and the flexible circuit board is not easy to break. Therefore, when in use, the micro lens line 100 is repeatedly bent by 250 degrees in the ureteroscope 200, and the solder joint of the connection between the wire 50 and the flexible circuit board is not disconnected, the bending service life is longer, and the use stability is more reliable.

[0031] In another embodiment of the utility model, as shown in Figures 1-4 , the connection between the micro image sensor 20, the capacitor 40 and the flexible circuit board 10 is also encapsulated with epoxy glue 70. In this embodiment, after the epoxy glue 70 is cured, the micro image sensor 20 and the capacitor 40 can be stably adhered on the flexible circuit board, the solder joint of the connection between the micro image sensor 20 and the capacitor 40 and the flexible circuit board is not easy to crack, and the reliability and stability of the overall product are very good.

[0032] In this embodiment, preferably, as shown in Figure 3 and 5 , the thickness h of the flexible circuit board 10 is ≤0.2mm. For example, the thickness of the flexible circuit board 10 can be 0.15mm, 0.18mm or 0.2mm, etc. Such a flexible circuit board belongs to an ultra-thin structure, and by arranging it, the overall size of the micro lens line 100 is minimized. It is suitable for the ureteroscope 200, and can also make the ureteroscope 200 miniaturized.

[0033] In this embodiment, more preferably, as shown in Figures 3-4As shown, the elastic sleeve 60 covers part of the position of the epoxy glue 70 at the connection between the wire 50 and the flexible circuit board 10, the width L is less than or equal to 1.6 mm, and specifically can be 1.0 mm, 1.1 mm, 1.2 mm, 1.3 mm, 1.4 mm, 1.5 mm, 1.6 mm, etc. The thickness H is less than or equal to 0.7 mm, and the thickness can be 0.1 mm, 0.2 mm, 0.3 mm, 0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, etc. The micro lens wire 100 with the structure occupies a very small space of the entire ureteroscope 200, can be inserted into the ureteroscope 200 with a diameter less than 4 mm, and can realize less trauma to the human body during the operation.

[0034] In another embodiment of the present application, the elastic sleeve 60 is an elastic nylon sleeve. Specifically, the elastic nylon sleeve has better high elasticity and can resist repeated bending at an angle of 0-250° without causing the disconnection of the solder joint at the bending position.

[0035] In another embodiment of the present application, as shown in Figures 1-4 The elastic sleeve 60 includes a small-mouthed round tube segment 61 arranged in the length direction and an expanded-mouthed spinal tube segment 62, and the small-mouthed round tube segment 61 and the expanded-mouthed spinal tube segment 62 are integrally formed into the elastic sleeve 60. The small-mouthed round tube segment 61 covers part of the wire 50, and the expanded-mouthed spinal tube segment 62 covers the connection between the wire 50 and the flexible circuit board 10. In this way, the covering of part of the wire 50 can be more compact, the gap existing or possibly existing is smaller, the covering of the connection between the flexible circuit board and the wire 50 is more compact, the gap existing or possibly existing is smaller, and finally after the injection of the epoxy glue 70 and the solidification, the connection between the wire 50 and the flexible circuit board can be stably connected, and it is ensured that the repeated bending at the position will not affect the stability of the connection.

[0036] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A micro-lens wire for treating kidney stones, comprising a flexible circuit board, a micro image sensor, LED modules, a capacitor and a wire, both sides of the front end of the flexible circuit board are provided with the LED modules, the micro image sensor is arranged on the front end of the flexible circuit board and located between the two LED modules, the capacitor is arranged on the flexible circuit board, and the wire is connected to the position away from the front end of the flexible circuit board, characterized in that: The micro-lens wire for treating kidney stones also comprises an elastic sleeve, which covers at least part of the wire and the connection between the wire and the flexible circuit board, and the elastic sleeve is filled with epoxy resin glue to encapsulate the connection between the wire and the flexible circuit board. ​ 2. The micro-lens thread for treating kidney stones according to claim 1, wherein: The connection between the micro-image sensor, the capacitor and the flexible circuit board is also encapsulated with epoxy resin glue.

3. The micro-lens thread for treating kidney stones according to claim 1, wherein: The thickness of the flexible circuit board is less than or equal to 0.2 mm.

4. The micro-lens thread for treating kidney stones according to claim 1, wherein: The elastic sleeve covers part of the epoxy resin glue encapsulating the connection between the wire and the flexible circuit board, and the width is less than or equal to 1.6 mm and the thickness is less than or equal to 0.7 mm.

5. The micro-lens thread for treating kidney stones according to claim 1, wherein: The elastic sleeve is an elastic nylon sleeve.

6. The micro-lens line for treating kidney stones according to any one of claims 1 to 5, characterized in that: The elastic sleeve comprises small-diameter tube segments arranged in the length direction and flared spinal canal segments, the small-diameter tube segments cover part of the wire, and the flared spinal canal segments cover the connection between the wire and the flexible circuit board.

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