CN216455610U

CN216455610U - Needle holder for ophthalmology department

Info

Publication number: CN216455610U
Application number: CN202122384232.XU
Authority: CN
Inventors: 熊义斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-05-10
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses an ophthalmic needle holder, which comprises a first clamping arm and a second clamping arm; the upper part of the first clamping arm is arc-shaped, and an opening of the arc is inward; the top end of the first clamping arm is connected with the top end of the second clamping arm; the bottoms of the first clamping arm and the second clamping arm are respectively connected with a first clamping piece and a second clamping piece; first centre gripping piece is located the top of second centre gripping piece is worked as when first arm lock is during to the internal deformation, can make first centre gripping piece and second centre gripping piece take place relative motion in vertical direction, first centre gripping piece with second centre gripping piece butt has avoided sheltering from the problem of sewing up the field of vision among the prior art because the lateral motion of centre gripping piece.

Description

Needle holder for ophthalmology department

Technical Field

The utility model relates to the field of medical instruments, in particular to an ophthalmic needle holder.

Background

In ophthalmic surgery, microsurgery is often performed on tissues such as sclera, cornea, anterior chamber and the like in the inner eye, and in microsurgery, an ophthalmic needle holder is often used for suturing an incision or wound.

Most of the existing ophthalmic needle holders are scissors-type needle holders, when the scissors-type needle holders are opened and closed, the positions of two clamping pieces of the scissors-type needle holders can be changed transversely, when deep operation is performed, such as lacrimal passage operation, the two clamping pieces can block the sight when being opened, and the movable space of the scissors-type needle holders can be compressed. In cataract surgery, eye trauma and other surgeries, the opening mode of the clamping end of the scissors type needle holder inevitably enlarges the surgical incision.

It is seen that improvements and enhancements in the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the prior art, the utility model aims to provide an ophthalmologic needle holder, and aims to solve the problem that a scissors type needle holder in the prior art obstructs the view or enlarges the surgical incision in the opening and closing switching process.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an ophthalmic needle holder comprises a first clamping arm and a second clamping arm; the upper part of the first clamping arm is arc-shaped, and the opening of the arc is inward; the top end of the first clamping arm is connected with the top end of the second clamping arm; the bottoms of the first clamping arm and the second clamping arm are respectively connected with a first clamping piece and a second clamping piece; the first clamping piece is located above the second clamping piece, and when the first clamping arm deforms inwards, the first clamping piece can be abutted to the second clamping piece.

The ophthalmic needle holder is characterized in that the bottom surface of the first clamping piece and the top surface of the second clamping piece are both provided with anti-skid lines.

The ophthalmic needle holder is characterized in that the cross sections of the first clamping piece and the second clamping piece in the thickness direction are both in a bent blade shape.

The ophthalmic needle holder further comprises a housing; the upper part of the first clamping arm and the upper part of the second clamping arm are both positioned in the shell; the shell is provided with a button, and the inner side surface of the button is connected with the outward side of the upper part of the first clamping arm.

The ophthalmic needle holder, wherein the button is pivotally connected to the housing.

The ophthalmic needle holder is characterized in that the inner side surface of the button is provided with a convex column, and the inward end of the convex column is connected with the upper part of the first clamping arm.

The ophthalmic needle holder comprises a shell body and a shell cover, wherein the shell cover is clamped with the top of the shell body; an accommodating cavity is formed in the shell body, and the accommodating cavity is matched with the upper parts of the first clamping arm and the second clamping arm; the bottom of the shell body is provided with a limiting hole, and the lower part of the first clamping arm and the lower part of the second clamping arm penetrate through the limiting hole.

The ophthalmic needle holder is characterized in that a limit groove is formed in the shell cover, and the top of the ophthalmic needle holder is placed in the limit groove.

The ophthalmic needle holder comprises a first clamping piece, a second clamping piece, a first clamping arm and a second clamping arm, wherein the first clamping piece and the second clamping piece respectively comprise a scissors portion and a clamping portion, the scissors portions are respectively located at the bottom ends of the first clamping piece and the second clamping piece, and the clamping portions are respectively connected with the first clamping arm and the second clamping arm.

Has the advantages that:

the utility model provides an ophthalmological needle holder which comprises a first clamping arm and a second clamping arm, wherein the upper part of the first clamping arm is arc-shaped, the lower parts of the first clamping arm and the second clamping arm are respectively connected with a first clamping piece and a second clamping piece, the first clamping piece is positioned above the second clamping piece, and the upper part of the first clamping arm can be elastically deformed after being pressed, so that the first clamping piece moves downwards and is tightly pressed on the second clamping piece. According to the utility model, the first clamping piece and the second clamping piece move relatively in the vertical direction, so that the suture needle is clamped, the problem that the suture field is blocked due to the transverse movement of the clamping pieces in the prior art is solved, in addition, the position change of the first clamping piece in the vertical direction enables a cut formed in an operation to be smaller, the safety of the operation is improved, and the injury to a patient is reduced.

Drawings

Fig. 1 is a perspective view of an ophthalmic needle holder provided by the present invention.

FIG. 2 is a perspective view of one embodiment of an ophthalmic needle holder.

Fig. 3 is a cross-sectional view of an ophthalmic needle holder.

Fig. 4 is a sectional view of the ophthalmic needle holder in a clamped state.

FIG. 5 is a schematic view of the first and second gripping tabs of the ophthalmic needle holder.

Fig. 6 is an enlarged view of fig. 5 at a.

Description of the main element symbols: 110-a first clamping arm, 120-a second clamping arm, 130-a first clamping piece, 140-a second clamping piece, 131-a scissor part, 132-a clamping part, 200-a shell, 210-a button, 211-a convex column, 220-a shell body and 230-a shell cover.

Detailed Description

The utility model provides an ophthalmologic needle holder, which is described in further detail below with reference to the accompanying drawings and examples in order to make the objects, technical solutions and effects of the utility model clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1, the present invention provides an ophthalmic needle holder, including a first clamping arm 110 and a second clamping arm 120; the upper part of the first clamping arm 110 is arc-shaped, and the opening of the arc is inward; the top end of the first clamping arm 110 is connected with the top end of the second clamping arm 120; the bottoms of the first clamping arm 110 and the second clamping arm 120 are respectively connected with a first clamping piece 130 and a second clamping piece 140; the first clamping piece 130 is located above the second clamping piece 140, and when the first clamping arm 110 is deformed inward, the first clamping piece 130 can abut against the second clamping piece 140. In one embodiment, the top ends of the first and second clamping

arms

110 and 120 are connected by an inverted U-shaped structure. The upper portion of the first clamping arm 110 is an arc-shaped metal sheet, which may be, but not limited to, an iron sheet or a copper sheet … …, and the metal sheet has good elasticity, and presses the upper portion of the first clamping arm 110 to elastically deform the upper portion of the first clamping arm 110, so that the upper portion of the first clamping arm 110 is forced to move downward, and the first clamping piece 130 is pressed downward against the second clamping piece 140; after the clamping arms are released, the upper parts of the first clamping arms 110 rebound, the first clamping pieces 130 retract upwards, and the second clamping arms 120 do not change positions all the time in the whole process. The first clamping piece 130 and the second clamping piece 140 move relatively in the vertical direction, so that the clamping function is realized, and the problem that the surgical sight is blocked due to the transverse movement of the clamping pieces in the existing scissor-type needle holder is solved. In addition, because the first clamping piece 130 and the second clamping piece 140 perform relative movement in the vertical direction, the opening state can be switched without more transverse space, and the incision size of tissues can be reduced in ophthalmic microsurgery, so that the tissue damage is reduced, the operation safety is improved, and the postoperative healing is facilitated.

Further, the bottom surface of the first clamping piece 130 and the top surface of the second clamping piece 140 are both provided with anti-slip threads, which can increase the friction between the first clamping piece 130 and the suture needle and the second clamping piece 140.

In one embodiment, the cross-sections of the first clamping piece 130 and the second clamping piece 140 in the thickness direction are both in a bent blade shape, the bent blade-shaped clamping piece can form a sufficient clamping area in the width direction, and a smooth corner can be formed at the joint of the clamping arm and the clamping arm, so that tissues cannot be scratched, the top ends of the first clamping piece 130 and the second clamping piece 140 are relatively slender, the shielding of the visual field is reduced, and the suture needle and the tissue suture point can be more easily identified.

Referring to fig. 2 and 3, the ophthalmic needle holder further includes a housing 200; the upper portion of the first clamping arm 110 and the upper portion of the second clamping arm 120 are both located within the housing 200; the housing 200 is provided with a button 210, and an inner side surface of the button 210 is connected to an outward side of an upper portion of the first clamping arm 110. The upper portion of the first clamping arm 110 is elastically deformed by pressing the button 210 on the housing 200, so that the upper portion of the first clamping arm 110 is forced to extend from the bottom of the housing 200, and when the button 210 is released, the upper portion of the first clamping arm 110 rebounds, and the first clamping piece 130 is retracted upward. By providing the housing 200 and the button 210, the operability of the ophthalmic needle holder 100 can be improved.

Referring to fig. 3 and 4, in one embodiment, the button 210 is pivotally connected to the housing 200. The shell 200 is provided with a button hole, the pressing side of the button 210 passes through the button hole and is exposed outside the shell 200, and the inner side of the button 210 is provided with a limit block for preventing the button 210 from falling out of the shell 200 from the button hole. The rotating shaft for pivot joint penetrates through the upper part of the button 210, two ends of the rotating shaft are respectively fixed on the shell walls at two sides of the button hole, the pressing end of the button 210 is positioned at the lower part of the button 210 and is far away from the rotating shaft, the force required by pressing is smaller, and fingers are not easy to fatigue after long-time operation.

Further, a convex column 211 is disposed on an inner side surface of the button 210, and an inward end of the convex column 211 is connected to an upper portion of the first clamping arm 110. Specifically, the convex pillar 211 is located at the lower portion of the inner side surface of the button 210, and corresponding to the pressing end of the button 210, the position of the upper portion of the first clamping arm 110, to which pressure is applied, can be precisely controlled by the convex pillar 211, so that the controllability of elastic deformation is higher.

In one embodiment, the housing 200 includes a housing body 220 and a housing cover 230, wherein the housing cover 230 is clamped to the top of the housing body 220; an accommodating cavity is arranged in the housing 220, and the accommodating cavity is matched with the upper part of the first clamping arm 110 and the upper part of the second clamping arm 120, so that the upper part of the ophthalmic needle holder 100 is limited, and the integral displacement is prevented when the first clamping arm 110 is elastically deformed; the bottom of the housing body 220 is provided with a limiting hole, the lower portion of the first clamping arm 110 and the lower portion of the second clamping arm 120 penetrate through the limiting hole, the size of the limiting hole is matched with the sizes of the first clamping arm 110 and the second clamping arm 120 to limit the upper portion of the first clamping arm to extend out, and the first clamping arm 110 is forced to extend along the length direction of the second clamping arm 120 when deformed, so that the first clamping piece 130 is aligned with the second clamping piece 140. The needle holder of the present embodiment is easy to assemble and disassemble, and when assembling, the button 210 is first assembled to the housing 220, then the ophthalmic needle holder 100 is inserted from the top opening of the housing 220, and finally the housing cover 230 is covered.

Further, a limit groove is formed in the housing cover 230, and the top end of the first clamping arm 110 and the top end of the second clamping arm 120 are disposed in the limit groove. The limiting groove is used for fixing the top end of the first clamping arm 110 and the top end of the second clamping arm 120, and the displacement of the limiting groove in the pressing process is avoided.

Referring to fig. 5 and 6, in one embodiment, the first clamping piece 130 and the second clamping piece 140 respectively include a scissor portion 131 and a clamping portion 132, the two scissor portions 131 are respectively located at the bottom ends of the first clamping piece 130 and the second clamping piece 140, and the two clamping portions 132 are respectively connected to the first clamping arm 110 and the second clamping arm 120. The two scissor portions 131 are closed when the first clamp arm 110 is moved downward for shearing a tissue mass. The end part of the scissors part 131 is in a pointed cone shape and is used for cutting the surface of a tissue, and the bottom end of the ophthalmic needle holder is added with a scissors function and can be used as a capsulorhexis forceps and an intraocular scissors.

It should be understood that the technical solutions and the inventive concepts according to the present invention may be equally replaced or changed by those skilled in the art, and all such changes or substitutions should fall within the protection scope of the appended claims.

Claims

1. An ophthalmic needle holder is characterized by comprising a first clamping arm and a second clamping arm; the upper part of the first clamping arm is arc-shaped, and the opening of the arc is inward; the top end of the first clamping arm is connected with the top end of the second clamping arm; the bottoms of the first clamping arm and the second clamping arm are respectively connected with a first clamping piece and a second clamping piece; the first clamping piece is located above the second clamping piece, and when the first clamping arm deforms inwards, the first clamping piece can be abutted to the second clamping piece.

2. The ophthalmic needle holder of claim 1 wherein the bottom surface of the first gripping tab and the top surface of the second gripping tab are each provided with anti-slip threads.

3. The ophthalmic needle holder of claim 1 wherein the first and second gripping tabs are each tulip-shaped in cross-section in the thickness direction.

4. An ophthalmic needle holder as claimed in any one of claims 1 to 3 further comprising a housing; the upper part of the first clamping arm and the upper part of the second clamping arm are both positioned in the shell; the shell is provided with a button, and the inner side surface of the button is connected with the outward side of the upper part of the first clamping arm.

5. The ophthalmic needle holder of claim 4 wherein the button is pivotally connected to the housing.

6. The ophthalmic needle holder of claim 5 wherein the inner side of the button is provided with a boss, an inwardly facing end of which is connected to an upper portion of the first clip arm.

7. The ophthalmic needle holder of claim 4 wherein the housing comprises a housing body and a housing cover, the housing cover being snapped onto a top portion of the housing body; an accommodating cavity is formed in the shell body, and the accommodating cavity is matched with the upper parts of the first clamping arm and the second clamping arm; the bottom of the shell body is provided with a limiting hole, and the lower part of the first clamping arm and the lower part of the second clamping arm penetrate through the limiting hole.

8. The ophthalmic needle holder according to claim 7, wherein a limit groove is provided in the housing cover, and the tip end of the first clip arm and the tip end of the second clip arm are disposed in the limit groove.

9. The ophthalmic needle holder of claim 8 wherein the first and second gripping tabs comprise a scissor portion and a gripping portion, respectively, two of the scissor portions being located at a bottom end of the first and second gripping tabs, respectively, and two of the gripping portions being connected with the first and second gripping arms, respectively.