Semiconductor laser treatment handle

Abstract

The utility model discloses a semiconductor laser treatment handle, which comprises an eyeball contact head, a handle, a chuck, an end cover, an SMA plug and an optical fiber, the SMA plug is connected with the optical fiber, the eyeball contact head is detachably arranged at one end of the handle, the other end of the handle is connected with the end cover, and the optical fiber sequentially penetrates through the end cover, the chuck, the handle and the eyeball contact head and is partially exposed out of the eyeball contact end face of the eyeball contact head. The distance from the edge of the eyeball contact end face to the optical fiber is equal to the distance between adjacent treatment points on the eyeball, the handle can be repeatedly used, the optical fiber can be repeatedly used in a cutting mode, the disposable eyeball contact head capable of being rapidly replaced is arranged, the use cost is reduced, meanwhile, the treatment point position of the last time can be positioned through the design of the eyeball contact head, and the treatment efficiency is improved. The next point treatment is carried out according to the specified angle and distance, a doctor is helped to quickly and accurately position the treatment position, the treatment difficulty is reduced, and the occurrence probability of medical accidents is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical instruments, and particularly relates to a semiconductor laser treatment handle. BACKGROUND

[0002] Glaucoma is a kind of blinding ophthalmic disease, and transscleral cyclophotocoagulation in glaucoma laser treatment surgery is a method for treating glaucoma, laser energy is applied to conjunctiva, Tenon's capsule and sclera, so that protein in ciliary body cells is condensed, intraocular pressure is reduced, and blindness probability is reduced. In transscleral cyclophotocoagulation, the hand-held treatment product for laser treatment of eyeballs is usually integral and disposable, and the whole new hand-held treatment product needs to be replaced in each operation, so that the cost is too high, and the treatment cost is relatively high. In the treatment process, there is no obvious reference structure for identifying the last treatment position of the eyeball contact position, the treatment difficulty of doctors is increased, and serious medical accidents are caused by treatment errors. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above problems existing in the prior art, the semiconductor laser treatment handle is provided, the handle can be repeatedly used, the optical fiber can be used for many times through cutting, and the treatment point positioning structure is arranged on the eyeball contact head, so that the treatment position can be quickly and accurately positioned. In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0004] A semiconductor laser treatment handle, comprising: an eyeball contact head, a handle, a chuck, an end cover, an SMA plug and an optical fiber; the SMA plug is connected with the optical fiber, the eyeball contact head is detachably arranged at one end of the handle, the other end of the handle is connected with the end cover, the optical fiber sequentially passes through the end cover, the chuck, the handle and the eyeball contact head, and partially exposes an eyeball contact end surface of the eyeball contact head, and the distance from the edge of the eyeball contact end surface to the optical fiber is equal to the interval of adjacent treatment points on the eyeball. So that the doctor can clearly and accurately position the treatment point in the treatment process.

[0005] Preferably, the stripped optical fiber sequentially passes through the end cover, the chuck in the handle, the handle and the eyeball contact head, and partially exposes the eyeball contact end surface of the eyeball contact head. After use, the used optical fiber can be cut off, the optical fiber with a coating layer between the SMA plug and the end cover is stripped, and then the newly stripped optical fiber sequentially passes through the end cover, the chuck in the handle and the handle, and passes out of the eyeball contact head. By reserving a certain length of optical fiber, the stripped optical fiber is replaced by the used optical fiber, and the cost and material resources are saved.

[0006] Further preferably, the eye contact head further comprises a hole site and a fiber tip positioning structure, the exposed part of the stripped fiber is a fiber tip, the length of the fiber tip is less than or equal to 1 mm, and the fiber tip positioning structure aligns the stripped fiber to pass out of the eye contact head through the hole site. The length of the fiber tip exposed to the eye contact end surface can be controlled, which is flexible and facilitates precise treatment.

[0007] Further preferably, the eye contact head further comprises a corneal limbus proximal end and a corneal limbus distal end arranged oppositely, the side length of the corneal limbus proximal end is 4-6 mm, and the radius of curvature of the corneal limbus distal end is 5-7 mm larger than that of the corneal limbus proximal end, and the side length is 4-6 mm. The radius of curvature of the corneal limbus proximal end is close to the radius of curvature of the cornea of a normal human or animal eye, and the radius of curvature of the eye contact end surface is close to the radius of curvature of a normal human or animal eye, which better adapts to treatment and precise positioning of treatment.

[0008] Further preferably, the hole site is located on the eye contact end surface, the diameter of the hole site is less than or equal to 1.5 mm, and the distance between the hole site and the corneal limbus proximal end is 2-3 mm. The hole site size can adapt to various surgical fibers, with a wide adaptation range.

[0009] Further preferably, the side length of the corneal limbus proximal end is greater than the side length of the corneal limbus distal end. It is more suitable for the arc surface of the eye.

[0010] Further preferably, the eye contact head further comprises a first edge and a second edge arranged oppositely, the first edge connects a first end of the corneal limbus proximal end and a first end of the corneal limbus distal end, and the second edge connects a second end of the corneal limbus proximal end and a second end of the corneal limbus distal end, when the corneal limbus proximal end is aligned with the cornea, the distance between the first edge or the second edge and the fiber is equal to the distance of the treatment site on the eye. It is convenient for more accurate positioning during treatment.

[0011] Further preferably, the first edge and the second edge are provided with recessed structures. It is convenient for more accurate alignment of the treatment position during treatment.

[0012] Preferably, the eye contact head is a soft gel material, and is connected with the handle through a thread, and the handle is connected with the end cover through a thread. The eye contact head adopts a soft gel material with a certain hardness, which is elastic, reduces the risk of damaging the eye during treatment, and can be directly inserted into the thread of the handle for use. After use, it can be quickly pulled out with a certain force, realizing quick replacement.

[0013] Preferably, the eye contact head further comprises an inner concave arc surface, the inner concave arc surface is located at the side of the eye contact head, the minimum cross section of the eye contact head is located at the inner concave arc surface, and the diameter of the cross section ranges from 3 to 5 mm. The inner concave arc surface facilitates clear observation of the front end structure of the eye contact head and the treatment position during treatment, and avoids visual obstruction.

[0014] Further preferably, an included angle between a line connecting the pupil center and the hole position and a line connecting the pupil center and the first edge or the second edge ranges from 10 to 30 degrees. The included angle facilitates adaptation of a treatment position interval with excellent treatment effect.

[0015] Compared with the prior art, the beneficial results of the utility model are that:

[0016] The utility model provides a semiconductor laser treatment handle, the handle can be repeatedly used, the optical fiber can be used for many times through cutting mode, possesses disposable eye contact head of quick replacement, reduces use cost, and simultaneously is provided with treatment point position structure on the eye contact head, can position last treatment point position through structure, carries out next point treatment according to prescribed angle, can help doctor to position treatment position quickly and accurately, reduces treatment difficulty and reduces the probability of medical accident. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of embodiments and are incorporated in and constitute apart of this specification. The drawings illustrate embodiments and, together with the description, serve to explain the principles of the utility model. Other embodiments and many of the intended advantages of the utility model will be readily appreciated as the same becomes better understood by reference to the following detailed description. Other features, objects, and advantages of the application will become more apparent from the following detailed description when read in connection with the following drawings, in which:

[0018] Figure 1 It is the explosion map of semiconductor laser treatment handle according to one specific embodiment of the utility model;

[0019] Figure 2 It is the cross section schematic view and eye contact head enlarged view of semiconductor laser treatment handle according to one specific embodiment of the utility model;

[0020] Figure 3 It is the eye contact head schematic view according to one specific embodiment of the utility model;

[0021] Figure 4 It is the eye contact head front view according to one specific embodiment of the utility model;

[0022] Figure 5 It is the eye contact head side view according to one specific embodiment of the utility model.

[0023] Figure 6 is a cross-sectional view of an eyeball contact head according to an embodiment of the present application;

[0024] Figure 7 is a schematic view of an eyeball and an eyeball contact head of a semiconductor laser treatment handle during treatment according to an embodiment of the present application.

[0025] In the figure, the numbered elements are as follows: 1, eyeball contact head; 11, hole position; 12, optical fiber tip positioning structure; 13, optical fiber tip; 14, proximal end of limbus; 15, distal end of limbus; 16, eyeball contact end face; 17, first edge; 18, second edge; 19, concave arc surface; 2, handle; 3, collet; 4, end cap; 5, SMA plug; 6, optical fiber; 7, treatment point. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] In the description of the present application, it should be noted that the terms "first", "second" are used 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. Directional terms are used with reference to the orientation of the described figures, such as "top", "bottom", "left", "right", "up", "down", etc. Because the components of the embodiments can be positioned in several different orientations, directional terms are used for the purpose of illustration and directional terms are by no means limiting. The terms "mounting", "provided with", "sleeved / connected", "connected", etc. should be interpreted broadly, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through an intermediate medium, can be internal communication of two elements, and the specific meaning of the above terms in the present application can be understood according to the specific circumstances by those skilled in the art.

[0028] Figure 1 shows an exploded view of a semiconductor laser treatment handle according to an embodiment of the present application, such as Figure 1As shown, it comprises: an eyeball contact head 1, a handle 2, a clamp head 3, an end cover 4, an SMA (SubMiniature version A) plug 5 and an optical fiber 6; the SMA plug 5 is connected with the optical fiber 6, the eyeball contact head 1 is detachably arranged at one end of the handle 2, the other end of the handle 2 is connected with the end cover 4, the optical fiber 6 is stripped and sequentially passes through the end cover 4, the clamp head 3 located in the handle 2, the handle 2 and the eyeball contact head 1 and partially exposes the eyeball contact head 1; after the treatment is completed, the used optical fiber 6 can be cut, then the optical fiber 6 connected with the SMA plug 5 is stripped by using professional tools, the stripped optical fiber 6 is inserted into the end cover 4, then inserted into the clamp head 3 and the handle 2 and finally inserted out of the eyeball contact head 1, the renewal of the optical fiber 6 is completed, the eyeball contact head 1 is inserted into the threaded portion of the handle 2 and the end cover 4 is locked to clamp the optical fiber 6, the assembly before the treatment is completed, in this way, the optical fiber 6 can be used repeatedly, the use cost is reduced and resources are saved.

[0029] Optionally, the eyeball contact head 1 is made of soft rubber material and is connected with the handle 2 through threads, the handle 2 is connected with the end cover 4 through threads, the handle 2 can be repeatedly used to reduce the cost, the eyeball contact head 1 is disposable, since the eyeball contact head 1 is made of soft rubber material and is elastic, the eyeball contact head 1 can be quickly inserted into the threaded portion of the handle 2 for installation, the eyeball contact head 1 can be pulled out by using a certain force when being disassembled, quick replacement is realized and the risk of damaging the eyeball during the treatment can be reduced.

[0030] Optionally, the eyeball contact head 1 further comprises an inner concave arc surface 19, the inner concave arc surface 19 is located at the side surface of the eyeball contact head 1, the minimum cross section of the eyeball contact head 1 is located at the inner concave arc surface 19, the diameter of the cross section ranges from 3mm to 5mm. The inner concave arc surface 19 is arranged to facilitate clearly seeing the front end structure of the eyeball contact head 1 and the treatment position during the treatment and avoiding the view obstruction.

[0031] Figure 2 The utility model discloses a semiconductor laser treatment handle cross section schematic diagram and eyeball contact head enlarged view of one specific embodiment, like Figure 2As shown, it comprises: an eyeball contact head 1, a handle 2, a clamp head 3, an end cover 4, an SMA plug 5 and an optical fiber 6; the SMA plug 5 is connected with the optical fiber 6, the eyeball contact head 1 is detachably arranged at one end of the handle 2, the other end of the handle 2 is connected with the end cover 4, the optical fiber 6 is stripped and sequentially passes through the end cover 4, the clamp head 3 located in the handle 2, the handle 2 and the eyeball contact head 1, and partially exposes the eyeball contact head 1; after the treatment is completed, the used optical fiber 6 can be cut, then the optical fiber 6 with a coating layer between the SMA plug 5 and the end cover 4 is stripped by using professional tools, the stripped optical fiber 6 is inserted into the end cover 4, then inserted into the clamp head 3 and the handle 2, and finally inserted out of the eyeball contact end surface 16 of the eyeball contact head 1, the renewal of the optical fiber 6 is completed, the eyeball contact head 1 is inserted into the threaded portion of the handle 2, and the end cover 4 is locked to clamp the optical fiber 6, so that the assembly before the treatment is completed, in this way, the optical fiber 6 can be used repeatedly, the use cost is reduced and resources are saved.

[0032] In specific embodiments, the eyeball contact head further comprises a hole site 11 and an optical fiber tip positioning structure 12, as shown in the partial enlarged view of Figure 2 As shown in the partial enlarged view of

[0033] In specific embodiments, the eyeball contact head is made of soft glue material and is connected with the handle through threads, and the handle is connected with the end cover through threads. The eyeball contact head is made of soft glue material with certain hardness and is elastic, so that the risk of damaging the eyeball during treatment is reduced, and the eyeball contact head can be directly inserted into the threaded portion of the handle for use, and after use, the eyeball contact head can be quickly pulled out by using a certain force, so that the eyeball contact head can be quickly replaced.

[0034] Figure 3 An eyeball contact head schematic view of one specific embodiment of the utility model is shown, as shown in Figure 3As shown, the eyeball contact head 1 comprises a hole site 11, a fiber tip positioning structure 12, an eyeball contact end face 16, an inner concave curved surface 19, an oppositely arranged limbus proximal end 14 and a limbus distal end 15, and oppositely arranged first and second edges 17 and 18; the limbus proximal end 14, the first edge 17, the limbus distal end 15 and the second edge 18 are sequentially connected to form the eyeball contact end face 16, the length of the side of the limbus proximal end 14 is 4-6 mm, and the radius of curvature of the limbus distal end 15 is 5-7 mm larger than that of the limbus proximal end, and the length of the side is 4-6 mm; the radius of curvature of the limbus proximal end is close to the radius of curvature of the cornea of a normal human or animal eyeball, and the radius of curvature of the eyeball contact end face is close to the radius of curvature of the eyeball of a normal human or animal, which can better adapt to the eyeball treatment; the hole site 11 is located on the eyeball contact end face 16, and the diameter of the hole site 11 is less than or equal to 1.5 mm, which can adapt to the fiber of various operations, and the adaptation range is wide, and the distance between the hole site 11 and the limbus proximal end 14 is 2-3 mm; the first edge 17 connects the first end of the limbus proximal end 14 and the first end of the limbus distal end 15, and the second edge 18 connects the second end of the limbus proximal end 14 and the second end of the limbus distal end 15; when the limbus proximal end 14 is aligned with the cornea, the distance between the first edge 17 or the second edge 18 and the fiber 6 is equal to the distance between the treatment site on the eyeball. The inner concave curved surface 19 is located on the side surface of the eyeball contact head 1, and the minimum cross section of the eyeball contact head 1 is located at the inner concave curved surface 19, and the diameter of the cross section is 3-5 mm. The inner concave curved surface facilitates clear observation of the front end structure of the eyeball contact head and the treatment position during treatment, and avoids visual obstruction.

[0035] In a specific embodiment, the length of the side of the limbus proximal end is greater than the length of the side of the limbus distal end, which facilitates more accurate alignment of the limbus proximal end 14 with the cornea for treatment.

[0036] Optionally, the first edge 17 and the second edge 18 are provided with recessed structures, which facilitate more accurate alignment of the treatment point.

[0037] In a specific embodiment, the eyeball contact head is made of soft gel material and is elastic, which reduces the risk of damaging the eyeball during treatment, and can be directly inserted into the threaded portion of the handle for use, and can be quickly pulled out with a certain force after use, realizing quick replacement.

[0038] In treatment, the handle 2 is connected to the semiconductor laser device, the corneal limbus proximal end 14 of the eyeball contact head 1 is aligned with the edge of the cornea of the eyeball, the eyeball contact end surface 16 is contacted with the end surface to be treated, and the click irradiation or sliding treatment is carried out in the three quadrants of the eyeball.

[0039] Figure 4 The eyeball contact head of one specific embodiment of the utility model is shown in the sectional view, as shown in the figure, Figure 4 The eyeball contact head 1 includes a hole position 11, a fiber tip positioning structure 12, an eyeball contact end surface 16, an inner concave curved surface 19, oppositely arranged corneal limbus proximal end 14 and corneal limbus distal end 15, oppositely arranged first edge 17 and second edge 18;The corneal limbus proximal end 14, the first edge 17, the corneal limbus distal end 15 and the second edge 18 are sequentially connected to form the eyeball contact end surface 16, the side length of the corneal limbus proximal end 14 is 4-6mm, the curvature radius of the corneal limbus distal end 15 is 5-7mm larger than that of the corneal limbus proximal end, and the side length is 4-6mm;The curvature radius value of the corneal limbus proximal end is close to the curvature radius value of the cornea of the eyeball of normal human or animal, and the curvature radius value of the eyeball contact end surface is close to the curvature radius value of the eyeball of normal human or animal, which can better adapt to the treatment of the eyeball;The hole position 11 is located at the center position of the eyeball contact end surface 16, the diameter of the hole position 11 is less than or equal to 1.5mm, the size of the hole position can adapt to the fiber of various operations, the adaptation range is wide, the distance between the hole position 11 and the corneal limbus proximal end 14 is 2-3mm;The first edge 17 connects the first end of the corneal limbus proximal end 14 and the first end of the corneal limbus distal end 15, the second edge 18 connects the second end of the corneal limbus proximal end 14 and the second end of the corneal limbus distal end 15, when the corneal limbus proximal end 14 is aligned with the cornea, the distance between the first edge 17 or the second edge 18 and the fiber 6 is equal to the distance between the treatment position on the eyeball. The inner concave curved surface 19 is located on the side surface of the eyeball contact head 1, the minimum cross section of the eyeball contact head 1 is located at the inner concave curved surface 19, and the diameter of the cross section is 3-5mm. The setting of the inner concave curved surface 19 facilitates clear observation of the front end structure of the eyeball contact head 1 and the treatment position during treatment, and avoids visual obstruction.

[0040] In specific embodiments, the side length of the corneal limbus proximal end 14 is greater than the side length of the corneal limbus distal end 15, the side length of the corneal limbus proximal end 14 is 6mm, and the side length of the corneal limbus distal end 15 is 4mm, which facilitates more accurate alignment of the corneal limbus proximal end 14 with the cornea for treatment;In other embodiments, the length of the corneal limbus proximal end 14 and the corneal limbus distal end 15 can also be any length within the range of 4-6mm.

[0041] Optionally, the first edge 17 and the second edge 18 are provided with recessed structures, which facilitate more accurate alignment of the treatment point.

[0042] In a specific embodiment, the eyeball contact head 1 is made of soft rubber material, and the eyeball contact head 1 is made of soft rubber material with a certain hardness, which is elastic, reduces the risk of damaging the eyeball during treatment, and can be directly inserted into the threaded part of the handle 2 for use. After use, it can be quickly pulled out with a certain force, realizing quick replacement.

[0043] Figure 5 The eyeball contact head side view of one specific embodiment of the utility model is shown in the figure, Figure 5 As shown in the figure, the eyeball contact head 1 includes an inner concave arc surface 19 and an eyeball contact end surface 16, the inner concave arc surface 19 is located on the side of the eyeball contact head 1, and the minimum cross section of the eyeball contact head 1 is located at the inner concave arc surface 19, and the diameter of the cross section ranges from 3 to 5 mm. In a specific embodiment, the concave degree of the inner concave arc surface 19 connected to the corneal limbus proximal end 14 is less than the concave degree of the inner concave arc surface 19 of the corneal limbus distal end 15, which facilitates clear observation of the front end structure of the eyeball contact head 1 and the treatment position during treatment, avoiding visual obstruction.

[0044] Figure 6 The cross-sectional view of the eyeball contact head side view of one specific embodiment of the utility model is shown in the figure, Figure 6 As shown in the figure, the eyeball contact head 1 includes an inner concave arc surface 19 and an eyeball contact end surface 16, the optical fiber 6 passes through the eyeball contact head 1 and is partially exposed to the eyeball contact end surface 16, the part of the optical fiber 6 exposed to the eyeball contact end surface 16 is an optical fiber tip 13, the length of the optical fiber tip 13 is less than or equal to 1 mm, the optical fiber 6 has an optical fiber tip positioning structure 12 inside the eyeball contact head 1, the optical fiber tip positioning structure 12 aligns the stripped optical fiber 6 to pass out of the eyeball contact head 1 through the hole position 11, and controls the length of the optical fiber tip 13 exposed to the eyeball contact end surface 16.

[0045] In a specific embodiment, the eyeball contact head 1 is made of soft rubber material, and is connected to the handle 2 through threads, in other embodiments, other detachable connection methods such as buckles can also be used, the eyeball contact head 1 is made of soft rubber material with a certain hardness, which is elastic, reduces the risk of damaging the eyeball during treatment, and can be directly inserted into the threaded part of the handle 2 for use. After use, it can be quickly pulled out with a certain force, realizing quick replacement.

[0046] Figure 7 The schematic diagram of the eyeball contact head of the semiconductor laser treatment handle and the eyeball during treatment is shown in the figure, Figure 7As shown, the distance from the edge of the eyeball contact end face 16 to the optical fiber 6 is equal to the distance between adjacent treatment points on the eyeball, enabling the doctor to clearly and accurately locate the treatment point during treatment. After the handle 2 is connected to the semiconductor laser device, the proximal end 14 of the eyeball contact head 1 is aligned with the edge of the cornea, and the eyeball contact end face 16 is brought into contact with the required treatment end face. Click irradiation or sliding treatment is performed in the three quadrants of the eyeball. During click irradiation, the first edge 17 or the second edge 18 can be aligned with the edge of the previous treatment point 7 to determine the position of the next treatment point 7, so that the aperture 11 and the optical fiber tip 13 are aligned with the treatment site, i.e., the treatment point 7. The concave arc surface 19 allows the front end structure of the eyeball contact head 1 and the treatment position to be clearly seen during treatment.

[0047] In a specific embodiment, the line connecting the pupil center and the aperture position forms an angle of 10-30° with the line connecting the pupil center and the first edge 17 or the second edge 18, such that with the pupil center as the center, there is an angle of 10-30° between two adjacent treatment points. Figure 7 The angle diagram in the middle makes the positioning more accurate and the treatment effect better.

[0048] In a specific embodiment, the side length of the proximal limbus 14 is 4-6 mm, and the radius of curvature of the distal limbus 15 is 5-7 mm larger than that of the proximal limbus 14, with a side length of 4-6 mm. The diameter of the aperture 11 is less than or equal to 1.5 mm, and this aperture 11 size can be adapted to various surgical optical fibers, with a wide range of adaptability. The distance between the aperture 11 and the proximal limbus 14 is 2-3 mm. The side length of the proximal limbus 14 is greater than that of the distal limbus 15. The first edge 17 and the second edge 18 are provided with recessed structures to facilitate more precise positioning of the treatment location. The radius of curvature of the proximal limbus 14 is close to that of the cornea in normal human or animal eyes, and the radius of curvature of the eyeball contact end face 16 is close to that of the eyeball in normal human or animal eyes, which can adapt to eyeball treatment.

[0049] This invention provides a semiconductor laser treatment handpiece. The handpiece 2 is reusable, and the optical fiber 6 can be used multiple times by cutting. It features a disposable eye contact head 1 that can be quickly replaced, reducing usage costs and making it more convenient. Simultaneously, the eye contact head 1 is equipped with a positioning structure to help determine the treatment point. By setting different side lengths and radii of curvature for the proximal end 14 and distal end 15 of the limbus, the concave arc surface 19, and the distance between the first edge 17 and the second edge 18, the previous treatment point 7 can be easily located, allowing for the next treatment at a predetermined angle. This helps doctors quickly and accurately locate the treatment position, reducing treatment difficulty and the probability of medical accidents.

[0050] It is clear that many modifications and changes can be made to the embodiments of the application without departing from the spirit and scope of the application. In that manner, the application also intends to cover what falls within the scope of the following claims and their equivalents. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The mere fact that different claims depend on a common parent claim does not indicate that combinations of measures of the different dependent claims cannot be used in advantage. Any reference signs in the claims should not be construed as limiting the scope.

Claims

1. A semiconductor laser therapy handpiece, characterized in that, include: The device comprises an eye contact head, a handle, a clamp, an end cap, an SMA plug, and an optical fiber; the SMA plug is connected to the optical fiber, the eye contact head is detachably disposed at one end of the handle, the other end of the handle is connected to the end cap, the optical fiber passes sequentially through the end cap, the clamp, the handle, and the eye contact head, and partially exposes the eye contact end face of the eye contact head, the distance from the edge of the eye contact end face to the optical fiber is equal to the distance between adjacent treatment points on the eyeball.

2. The semiconductor laser therapy handpiece according to claim 1, characterized in that, After being stripped, the optical fiber passes sequentially through the end cap, the clamp located inside the handle, the handle, and the eyeball contact head, partially exposing the eyeball contact end face of the eyeball contact head.

3. The semiconductor laser therapy handpiece according to claim 2, characterized in that, The eyeball contact head also includes a hole and an optical fiber tip positioning structure. The portion of the stripped optical fiber exposed in the eyeball contact head is the optical fiber tip. The length of the optical fiber tip is less than or equal to 1 mm. The optical fiber tip positioning structure aligns the stripped optical fiber with the hole and passes through the eyeball contact head.

4. The semiconductor laser therapy handpiece according to claim 3, characterized in that, The eyeball contact head also includes a proximal end and a distal end of the limbus arranged opposite to each other. The side length of the proximal end of the limbus is 4-6 mm, and the radius of curvature of the distal end of the limbus is 5-7 mm larger than that of the proximal end of the limbus, with a side length of 4-6 mm.

5. The semiconductor laser therapy handpiece according to claim 4, characterized in that, The aperture is located on the contact surface of the eyeball, the diameter of the aperture is less than or equal to 1.5 mm, and the distance between the aperture and the proximal end of the limbus is 2 to 3 mm.

6. The semiconductor laser therapy handpiece according to claim 4, characterized in that, The side length of the proximal end of the limbus is greater than the side length of the distal end of the limbus.

7. The semiconductor laser therapy handpiece according to claim 4, characterized in that, The eyeball contact head also includes a first edge and a second edge disposed opposite to each other. The first edge connects a first end of the proximal end of the limbus and a first end of the distal end of the limbus. The second edge connects a second end of the proximal end of the limbus and a second end of the distal end of the limbus. When the proximal end of the limbus is aligned with the cornea, the distance between the first edge or the second edge and the optical fiber is equal to the distance between the treatment sites on the eyeball.

8. The semiconductor laser therapy handpiece according to claim 7, characterized in that, The first edge and the second edge are provided with recessed structures.

9. The semiconductor laser therapy handpiece according to claim 1, characterized in that, The eyeball contact head is made of soft rubber and is connected to the handle by threads. The handle is also connected to the end cap by threads.

10. The semiconductor laser therapy handpiece according to claim 1, characterized in that, The eyeball contact head also includes a concave arc surface, which is located on the side of the eyeball contact head. The smallest cross-section of the eyeball contact head is located at the concave arc surface, and the diameter of the cross-section ranges from 3 to 5 mm.

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