Novel lacrimal sac retractor

Abstract

The utility model discloses a novel lacrimal sac retractor, relates to the technical field of medical instruments, and aims to solve the problems that when the novel lacrimal sac retractor is used, the position of the retractor and the opening of an opening arm need to be held by a medical worker, otherwise, the retractor droops due to the weight of the retractor, and the risk of hurting the eyes of a patient exists. The retractor comprises a U-shaped frame and clamping arms, a supporting seat is slidably connected to the interior of the U-shaped frame, the clamping arms are symmetrically and rotatably connected to the interior of the side wall of the right end of the supporting seat, an L-shaped frame is fixedly installed on the bottom face of the U-shaped frame, and a second extrusion screw is in threaded connection to the interior of the bottom face of the L-shaped frame. And the second extrusion screw rod penetrates through the interior of the second extrusion screw rod, through cooperation between the U-shaped frames and the L-shaped frames, the positions of the U-shaped frames can be conveniently and fixedly placed, and the positions of the clamping arms installed between the U-shaped frames can be conveniently and stably placed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of medical apparatus and instruments, specifically to a novel lacrimal sac retractor. BACKGROUND

[0002] The lacrimal sac retractor belongs to ophthalmic surgical instruments, can collect more muscle tissues, exposes the operation field fully, has good hemostatic effect, and promotes the rapid and smooth operation.

[0003] According to the search, the patent with the patent publication number CN213047084U discloses an improved lacrimal sac retractor, which comprises a fixed pipe and a connecting rod. The fixed pipe is internally provided with an internal thread. The internal thread is threadedly connected with a threaded column. The surface of the fixed pipe is fixedly connected with a first fixed table. The first fixed table is movably connected with a first movable rod through a pin shaft. The surface of the fixed pipe is fixedly connected with a second fixed table. The utility model sets the fixed rod, the limiting block, the limiting rod and the spring. When people need to limit the first movable rod and the second movable rod, the limiting rod can be moved under the action of the spring. Then, the limiting rod can be matched with the clamping groove. Thus, the fixed rod can be limited. Then, the first movable rod and the second movable rod can be limited. Under the interaction of the fixed rod, the limiting block, the limiting rod and the spring, people can limit the first movable rod and the second movable rod more quickly.

[0004] However, when the device is in use, the position of the retractor and the opening of the opening arm need to be held by medical staff. Otherwise, the opening device will sag due to its own weight, which may harm the patient's eye and reduce the use efficiency of the retractor. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a novel lacrimal sac retractor, which solves the problem that the position of the retractor and the opening of the opening arm need to be held by medical staff when the device is in use. Otherwise, the opening device will sag due to its own weight, which may harm the patient's eye and reduce the use efficiency of the retractor.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme: a novel lacrimal sac retractor, comprising a U-shaped frame and a clamping arm, the inside of the U-shaped frame is slidably connected with a support seat, the clamping arm is symmetrically connected to the inside of the right end wall of the support seat, the bottom surface of the U-shaped frame is fixedly installed with an L-shaped frame, the inside of the bottom surface of the L-shaped frame is threadedly connected with a second extrusion screw rod, the second extrusion screw rod penetrates the inside of the second extrusion screw rod, and the upper end of the second extrusion screw rod is fixedly connected with an extrusion plate.

[0007] Preferably, the two side walls inside the U-shaped frame are provided with moving grooves, the two end side walls of the support base are fixedly installed with moving blocks, the moving blocks are respectively slidably connected to the interiors of the moving grooves, the interiors of the two end side walls of the U-shaped frame are threadedly connected with first extrusion screws, and the distal ends of the first extrusion screws are extruded to the side walls of the moving blocks through the interiors of the side walls of the U-shaped frame, so that the position of the clamping arm after movement can be conveniently stabilized.

[0008] Preferably, the interior of the support base is threadedly connected with an adjusting screw, the right end of the adjusting screw is extruded to the right end of the support base through the interior of the support base, the right end of the adjusting screw is rotatably connected with a support block, the bottom of the support block is rotatably connected with support rods in symmetry, the interiors of the side walls of the clamping arms are provided with limiting grooves, the right ends of the support rods are respectively rotatably connected to the interiors of the limiting grooves through rotating rods, and the bottoms of the clamping arms are fixedly installed with a plurality of hooks at equal intervals, so that the clamping arms can be conveniently opened and closed.

[0009] Preferably, the adjusting screw is arranged between the two clamping arms, so that the clamping arms can prevent the adjusting screw from being hindered.

[0010] Preferably, the length of the moving block is greater than the width of the support base, so that the position of the clamping arm can be conveniently adjusted.

[0011] Preferably, the axis of the moving block and the axis of the support base are on the same axis, so that the distance of the moving block protruding from the exterior of the support base is equal, and the height of the support base movement can be conveniently increased.

[0012] The utility model provides a novel lacrimal sac retractor. Has the following beneficial effects:

[0013] 1、 this novel lacrimal sac retractor, when using novel lacrimal sac retractor, through the cooperation between the U-shaped frame and L-shaped frame set up, can conveniently make the position of U-shaped frame fixed placement, the position of the clamping arm installed between U-shaped frame is convenient to place stably,

[0014] 2、 this novel lacrimal sac retractor, when using novel lacrimal sac retractor, through the cooperation between the U-shaped seat and clamping arm set up, can conveniently adjust the position of clamping arm up and down, the position of clamping arm is convenient to move to the part of patient needing operation. ACCURATE DRAWING

[0015] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0016] Fig. 2 It is the side view of the utility model;

[0017] Fig. 3The utility model discloses a clamping arm structure schematic view.

[0018] In the drawing, 1-U-shaped frame, 2-supporting seat, 3-clamping arm, 4-limiting groove, 5-supporting rod, 6-supporting block, 7-moving groove, 8-moving block, 9-first extrusion screw rod, 10-L-shaped frame, 11-second extrusion screw rod, 12-hook, 13-extrusion plate, 14-adjusting screw rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Embodiment 1

[0021] Please refer to Figs. 1-3 The utility model discloses a novel lacrimal sac retractor, including U-shaped frame 1 and clamping arm 3, the inside sliding connection of U-shaped frame 1 has supporting seat 2, clamping arm 3 is symmetrically connected in the right end lateral wall inside of supporting seat 2, the bottom surface fixed mounting of U-shaped frame 1 has L-shaped frame 10, the bottom surface inside screw thread connection of L-shaped frame 10 has second extrusion screw rod 11, second extrusion screw rod 11 is through the inside of second extrusion screw rod 11, and the upper end fixed connection of second extrusion screw rod 11 has extrusion plate 13, the inside of both sides lateral wall of U-shaped frame 1 is provided with moving groove 7, and both ends lateral wall of supporting seat 2 are fixedly installed with moving block 8, and moving block 8 is slidingly connected in the inside of moving groove 7, and the inside of both ends lateral wall of U-shaped frame 1 is screw thread connection with first extrusion screw rod 9, and the end of first extrusion screw rod 9 is extruded to the lateral wall of moving block 8 by being through the inside of U-shaped frame 1's lateral wall respectively, and the length of moving block 8 is greater than the width of supporting seat 2, and the axis of moving block 8 and the axis of supporting seat 2 are on the same axis, when operating the patient, the L-shaped frame 10 is clamped on the bed board of sickbed, and the position of U-shaped frame 1 is fixed by rotating second extrusion screw rod 11, then supporting seat 2 is moved up and down, moving block 8 slides in the inside of moving groove 7 at this time, until the position of clamping arm 3 is moved to the part of the patient operation, and the position of moving block 8 is extruded by rotating the first extrusion screw rod 9 of both sides, so that the position of supporting seat 2 can be fixed.

[0022] Embodiment 2

[0023] In order to facilitate the angle opening and closing of clamping arm 3, in the embodiment, as shown in Figs. 2-3As shown, the inside of the support base 2 is screwed with an adjusting screw rod 14, the right end of the adjusting screw rod 14 is screwed through the inside of the support base 2 to the right end of the support base 2, and the right end of the adjusting screw rod 14 is rotatably connected with a support block 6, the bottom of the support block 6 is rotatably connected with a support rod 5 in symmetry, the inside of the side wall of the clamping arm 3 is provided with a limiting groove 4, the right end of the support rod 5 is rotatably connected with the inside of the limiting groove 4 respectively, the bottom of the clamping arm 3 is fixedly installed with a plurality of hooks 12 at equal intervals, the adjusting screw rod 14 is arranged between the two clamping arms 3, when the patient is operated, the hooks 12 support the eyes of the patient, then the adjusting screw rod 14 is rotated to move the position of the support block 6, so that the angle of the support rod 5 can be adjusted, and the clamping arm 3 is conveniently opened and closed.

[0024] It should be noted that, in the embodiment, when the new lacrimal sac retractor is used, Figs. 1-3 As shown, when the patient is operated, the L-shaped frame 10 is clamped on the bed plate of the hospital bed, the second extrusion screw rod 11 is rotated, the position of the U-shaped frame 1 is fixed, then the support base 2 is moved up and down, at this time, the moving block 8 slides in the moving groove 7, until the position of the clamping arm 3 is moved to the operation part of the patient, the first extrusion screw rod 9 on the two sides is rotated to extrude the position of the moving block 8, so that the position of the support base 2 can be fixed, then the adjusting screw rod 14 is rotated to move the position of the support block 6, so that the angle of the support rod 5 can be adjusted, and the clamping arm 3 is conveniently opened and closed, the hooks 12 support the eyes of the patient, and the subsequent operation work is facilitated.

[0025] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0026] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A novel lacrimal sac retractor characterized in that: The utility model provides a kind of U-shaped frame (1) and clamping arm (3), the inside sliding connection of the U-shaped frame (1) is support seat (2), the right end side wall inside of support seat (2) is symmetrically rotatably connected with clamping arm (3), the bottom of the U-shaped frame (1) is fixedly installed with L-shaped frame (10), the bottom inside of L-shaped frame (10) is screw-connected with second extrusion screw (11), the inside of second extrusion screw (11) is penetrated with second extrusion screw (11), and the upper end of second extrusion screw (11) is fixedly connected with extrusion plate (13).

2. The lacrimal sac retractor according to claim 1, wherein: The inside of both sides of the U-shaped frame (1) is provided with moving groove (7), the both ends of support seat (2) are fixedly installed with moving block (8), the inside of moving groove (7) is slidably connected with moving block (8), the inside of both ends of the U-shaped frame (1) is screw-connected with first extrusion screw (9), the end of first extrusion screw (9) is extruded to the side wall of moving block (8) by penetrating the inside of U-shaped frame (1) respectively.

3. The lacrimal sac retractor according to claim 1, wherein: The inside of support seat (2) is screw-connected with adjusting screw (14), the right end of adjusting screw (14) is penetrated to the right end of support seat (2) by penetrating the inside of support seat (2), and the right end of adjusting screw (14) is rotatably connected with support block (6), the bottom of support block (6) is symmetrically rotatably connected with support rod (5), the inside of the side wall of clamping arm (3) is provided with limiting groove (4), the right end of support rod (5) is rotatably connected in the inside of limiting groove (4) respectively, and the bottom of clamping arm (3) is fixedly installed with a plurality of hooks (12) at equal intervals.

4. The lacrimal sac retractor according to claim 3, wherein: The adjusting screw (14) is arranged between the two clamping arms (3).

5. The lacrimal sac retractor according to claim 2, wherein: The length of the moving block (8) is greater than the width of the support seat (2).

6. The lacrimal sac retractor according to claim 5, wherein: The axis of the moving block (8) is on the same axis as the axis of the support seat (2). The axis of the moving block (8) is on the same axis as the axis of the support seat (2).

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