Scissors for ophthalmology department

Abstract

The utility model relates to the field of ophthalmology instruments, and provides ophthalmology scissors which comprise two scissor bodies which can be connected in a rotating mode, each scissor body comprises a scissor piece, a handheld portion and an elastic piece which are sequentially connected, each handheld portion is provided with an anti-skidding portion, and one or two handheld portions are provided with at least one limiting portion. The limiting part can abut against the other handheld part, one elastic piece is provided with at least one inserting hole, the other elastic piece is provided with an inserting piece capable of being inserted into the inserting hole, the elastic pieces can be bent and deformed, the elastic force of the elastic pieces bent upwards at the front ends of the scissor pieces is larger, and the hand needs larger acting force to continue to press the scissors. The angle of the two cutting blades can be accurately controlled, and the technical problems that the operable angle and space are limited when the existing ophthalmology scissors are used for fine surgery, and the opening angle between the two cutting blades is difficult to accurately control are solved.

Description

Technical Field

[0001] The utility model relates to the field of ophthalmic instruments, in particular to a pair of scissors used in ophthalmology. Background Art

[0002] Ophthalmic precision scissors are a kind of precision surgical instruments specially used for ophthalmic surgery and diagnosis. This kind of instruments are characterized by small size, exquisite design, and can provide highly precise surgical or inspection results.

[0003] Chinese patent application No. 201920002066.2 discloses a pair of intraocular artificial lens scissors for ophthalmic surgery, wherein the cutting blades of the intraocular artificial lens scissors are slender structures, the surface of which is coated with a diamond film, and the outer front end of the cutting blades is designed to be a smooth spherical structure. The utility model avoids damage to other tissues such as the corneal endothelium, iris, posterior capsule, etc. during intraocular surgical operations. The surface of the cutting blade part is coated with a diamond film to increase the service life. The utility model can enter the eye through a tiny incision without the need to expand the incision, is flexible in operation, easy to use, safe in surgery, and reduces surgical risks. However, the scissors have limited operating angles and space when performing delicate surgery, and it is difficult to accurately control the opening angle between the two cutting blades.

[0004] Chinese patent application No. 202122957120.9 discloses a pair of iris scissors, which include two scissor bodies hinged to each other, one of the scissor bodies is provided with a first blade on the end face of one side facing the other scissor body, and the other scissor body is provided with a second blade matched with the first blade at one end of the anti-skid groove body, the first blade and the second blade are both raised arc structures, and the first anti-skid groove blade and the second blade are suitable for biting with each other to shear the iris. The practical new type of iris scissors with anti-skid grooves are provided with a first blade and a second blade with an arc-shaped structure on the two mutually hinged anti-skid groove bodies of the scissors. When cutting the iris, the first blade and the second blade are closed and the anti-skid grooves extend along the incision around the eye. The anti-skid grooves of the first blade and the second blade bite each other to cut out an arc edge. The iris scissors are moved, and a circular iris can be cut after multiple times of cutting. The tissue can be cut in a small range, and the surrounding tissue can be avoided from being damaged due to an excessively large cutting range. However, it is difficult for the scissors to accurately control the opening angle between the two cutting blades. Utility Model Content

[0005] Therefore, in view of the above problems, the utility model proposes a pair of scissors for ophthalmology, which solves the technical problems that the existing ophthalmic scissors have limited operating angles and space when performing delicate surgeries, and it is difficult to accurately control the opening angle between the two scissors.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A pair of scissors for ophthalmology comprises two rotatably connected scissor bodies, each of the scissor bodies comprises a shearing blade, a handle, and an elastic blade which are sequentially connected, the handle being provided with an anti-slip portion, one or both of the handles being provided with at least one limiting portion, the limiting portion being able to abut against the other handle, one of the elastic blades being provided with at least one insertion hole, the other elastic blade being provided with an insertion blade which can be inserted into the insertion hole, the elastic blade being able to bend and deform, and the front end of the shearing blade being bent upward.

[0008] Further: the two elastic sheets are arc-shaped structures.

[0009] Furthermore: the length of the elastic sheet is 3 cm to 8 cm.

[0010] Furthermore: a bending portion is provided at the connection between the rear end of the shearing piece and the front end of the hand-held part, the top surface of the shearing piece transitions to the inner side wall of the hand-held part through the bending portion, and the thickness of the front end of the hand-held part gradually increases.

[0011] Further: the number of the jacks is three.

[0012] Furthermore: the thickness of the elastic sheet is smaller than the thickness of the hand-held portion, and the hand-held portion cannot be bent or deformed.

[0013] Furthermore: the number of the limiting part is one, and the limiting part is arranged at the rear end of one of the hand-held parts.

[0014] Furthermore: the two shears are rotatably connected via a rotating shaft.

[0015] Further: the anti-slip portion is arranged on the outer wall of the hand-held portion, and the anti-slip portion includes a plurality of anti-slip grooves arranged along the width direction.

[0016] Furthermore: a cutting portion is provided at the front end of the cutting piece, and the length of the cutting portion is 0.5 cm to 3 cm.

[0017] By adopting the above technical solution, the beneficial effects of the utility model are:

[0018] 1. The utility model uses a finger to press the anti-slip part on the hand-held part. During the pressing process, the elastic sheet can bend and deform. The smaller the angle of the scissors, the greater the elastic force of the elastic sheet. The hand needs a greater force to continue pressing the scissors, and the angle of the two cutting blades can be accurately controlled. When cutting is completed, the limiting part at the rear end of the hand-held part can abut against the other hand-held part, which has a limiting effect and prevents the scissors from being damaged by continued pressing. When the number of the sockets is two or more, the doctor can insert the plugs into different sockets according to the actual situation of the patient during operation, thereby adjusting the elastic force between the two elastic sheets, so as to accurately control the opening angle between the two cutting blades; at the same time, the front end of the cutting blade is set to bend upward. When in use, the bent side of the scissors is close to the eyeball, which allows the doctor to have more angles and space to operate during surgery, so that it is easier to reach various parts of the eye.

[0019] 2. The elastic sheet is set to an arc structure because the arc structure can provide a smoother and more uniform pressure distribution. Therefore, when performing a cutting operation, less force needs to be applied. It is easier to perform surgery using scissors with an arc structure, and surgical errors caused by applying excessive force can be avoided.

[0020] 3. A bending portion is provided at the connection between the rear end of the scissors and the front end of the hand-held portion. The top surface of the scissors is transitioned to the inner wall of the hand-held portion through the bending portion, and the thickness of the front end of the hand-held portion gradually increases, which can allow the user to have more gripping space at the front end, while also enhancing the stability and firmness of the grip; at the same time, due to the design of the bending portion, the strength and rigidity of the entire scissors can be increased, making the entire scissors more stable and safer during use.

[0021] 4. The thickness of the elastic sheet is set to be smaller than that of the hand-held part, and the hand-held part cannot be bent or deformed. The hand-held part can drive the shears to rotate accurately, so that the movement between the shears and the hand-held part remains consistent.

[0022] 5. The anti-slip groove can provide a good grip and anti-slip protection, preventing accidental sliding during surgery and improving the safety of the surgery. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a front view of the ophthalmic scissors of the utility model when the two cutting blades are opened at a larger angle;

[0024] Figure 2 It is a front view of the ophthalmic scissors of the utility model when the two cutting blades are opened at a small angle;

[0025] Figure 3 It is a side view of the ophthalmic scissors of the utility model;

[0026] Explanation of the numbers in the figure: 1-cutting piece, 2-handling part, 3-elastic piece, 4-bending part, 5-rotating axis, 11-cutting part, 12-front end of the cutting piece, 21-anti-slip part, 22-limiting part, 23-anti-slip groove, 31-insertion hole, 32-insertion piece. DETAILED DESCRIPTION

[0027] The utility model is now further described in conjunction with the accompanying drawings and specific implementation methods.

[0028] Embodiment 1:

[0029] refer to Figure 1 to Figure 2 Embodiment 1 provides a pair of scissors for ophthalmology, comprising two rotatably connected scissor bodies, each of which comprises a scissor blade 1, a hand-held part 2, and an elastic sheet 3 which are sequentially connected, the hand-held part 2 is provided with an anti-slip part 21, a rear end of one of the hand-held parts 2 is provided with a limiter 22, the limiter 22 can abut against the other hand-held part 2, one elastic sheet 3 is provided with a plug hole 31, and the other elastic sheet 3 is provided with a plug 32 which can be inserted into the plug hole, the elastic sheet 3 is an arc structure, and the length of the elastic sheet is 5 cm. The elastic sheet 3 can be bent and deformed, and the front end 12 of the scissor blade 1 is bent upward. A bending part 4 is provided at the connection between the rear end of the scissor blade 1 and the front end of the hand-held part 2, the top surface of the scissor blade 1 transitions to the inner side wall of the hand-held part through the bending part 4, and the thickness of the front end of the hand-held part 2 gradually increases. The thickness of the elastic sheet 3 is less than the thickness of the hand-held part 2, and the hand-held part 2 cannot be bent and deformed. The two cutting pieces 1 are rotatably connected via a rotating shaft 5. The front end of the cutting piece 1 is provided with a cutting portion 11, and the length of the cutting portion 11 is 1 cm. The anti-slip portion 21 is provided on the outer wall of the handheld portion 2, and the anti-slip portion 21 includes a plurality of anti-slip grooves 23 provided along the width direction. The elastic sheet 3 can be a bent structure, a straight structure or a structure of other shapes, which can be provided according to the specific situation.

[0030] The length of the elastic sheet 3 is usually set to 3 cm to 8 cm, and can also be other lengths, depending on the specific situation.

[0031] The above-mentioned turning portion 4 may not be provided, and may be provided according to specific circumstances.

[0032] The thickness of the elastic sheet 3 may also be equal to or greater than the thickness of the handle 2, depending on the specific situation.

[0033] The number of the above-mentioned limiting parts 21 can also be set to two, three or even more, and two or more limiting parts can also be set on the same cutting piece or two cutting pieces, depending on the specific situation.

[0034] The anti-skid grooves may also be arranged obliquely, along the length direction or in other different directions, and the anti-skid portions may also be anti-skid protrusions or other anti-skid structures, which may be arranged according to specific circumstances.

[0035] The length of the cutting portion 11 is set to be 0.5 cm to 3 cm, and can also be other lengths, depending on the specific situation.

[0036] The working method of the first embodiment is:

[0037] Before the operation, the doctor inserts the insert 32 into the appropriate jack 31 according to the situation, so as to adjust the elastic force between the two elastic sheets 3, so as to accurately control the opening angle between the two shears; during the operation, the doctor's fingers press on the anti-slip part 21 of the handheld part 2, and press hard. Since the handheld part 2 and the shear 1 cannot be bent and deformed, the rotation between the shear 1 and the bending part 4 and the handheld part 2 is consistent, so the handheld part 2 can drive the shear 1 to rotate accurately through the rotating shaft 5. During the pressing process, the elastic sheet 3 can be bent and deformed, and the thickness of the elastic sheet 3 is less than the thickness of the handheld part 2. The elastic sheet 3 gives the hand a certain reverse force, and the hand needs a greater force to continue to press the handheld part. The greater the pressing force, the greater the elastic force of the elastic sheet 3, and the smaller the opening angle between the two shears 1, which can accurately control the angle of the two shears until the target tissue is cut between the two 11 cutting parts. When the cutting is completed, the limit part 22 at the rear end of one handheld part 2 abuts against the other handheld part 2, which has a limiting function to prevent continued pressing and damaging the scissors. At the same time, the front end 12 of the scissors is bent upward. When in use, the bent side of the scissors is close to the eyeball, which allows the doctor to have more angles and space to operate during surgery, so that it is easier to reach various parts of the eye.

[0038] Embodiment 2:

[0039] refer to Figure 3 The main difference between the second embodiment and the first embodiment is that one elastic sheet 3 of the second embodiment is provided with three insertion holes 31. Other technical solutions are the same as those of the first embodiment.

[0040] The number of the above-mentioned jacks can also be two, four or even more, depending on the specific situation.

[0041] When operating the scissors of the second embodiment, the doctor can insert the inserting pieces into different inserting holes according to the actual situation of the patient, thereby adjusting the elastic force between the two elastic pieces, so as to accurately control the opening angle between the two cutting pieces.

[0042] Although the present invention has been specifically demonstrated and described in conjunction with the preferred embodiments, those skilled in the art should understand that various changes may be made to the present invention in form and detail without departing from the spirit and scope of the present invention as defined in the appended claims, all of which are within the scope of protection of the present invention.

Claims

1. A pair of scissors for ophthalmology, characterized in that: It comprises two scissor bodies which are rotatably connected, each of the scissor bodies comprises a shearing piece, a handle and an elastic piece which are sequentially connected, the handle is provided with an anti-slip portion, one or both of the handles are provided with at least one limiting portion, the limiting portion can abut against the other handle, one of the elastic pieces is provided with at least one insertion hole, the other elastic piece is provided with an insertion piece which can be inserted into the insertion hole, the elastic piece can be bent and deformed, the front end of the shearing piece is bent upward, a bending portion is provided at the connection between the rear end of the shearing piece and the front end of the handle, the top surface of the shearing piece is transitioned to the inner side wall of the handle through the bending portion, and the thickness of the front end of the handle gradually increases.

2. The ophthalmic scissors according to claim 1, characterized in that: The two elastic sheets are arc-shaped structures.

3. The ophthalmic scissors according to claim 1, characterized in that: The length of the elastic sheet is 3 cm to 8 cm.

4. The ophthalmic scissors according to claim 1, characterized in that: The number of the jacks is three.

5. The ophthalmic scissors according to claim 1, characterized in that: The thickness of the elastic sheet is smaller than the thickness of the hand-held portion, and the hand-held portion cannot be bent or deformed.

6. The ophthalmic scissors according to claim 1, characterized in that: The number of the limiting portion is one, and the limiting portion is arranged at the rear end of one of the hand-held portions.

7. The ophthalmic scissors according to claim 1, characterized in that: The two shearing pieces are rotatably connected via a rotating shaft.

8. The ophthalmic scissors according to claim 1, characterized in that: The anti-slip portion is arranged on the outer wall of the hand-held portion, and the anti-slip portion comprises a plurality of anti-slip grooves arranged along the width direction.

9. The ophthalmic scissors according to claim 1, characterized in that: A cutting portion is provided at the front end of the cutting piece, and the length of the cutting portion is 0.5 cm to 3 cm.

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