Detachable vertebral plate rongeur

Abstract

The detachable vertebral plate rongeur comprises a fixed rongeur handle and a movable rongeur handle which are matched with each other, an upper cover is arranged above the fixed rongeur handle and movably connected with the fixed rongeur handle, and the movable rongeur handle penetrates through an inner cavity of the fixed rongeur handle and is rotationally connected with the upper cover. The movable plier handle is movably connected with the fixed plier handle, one end of the fixed plier handle is connected with an auxiliary rod, one end of the upper cover is connected with a main rod, and the main rod and the auxiliary rod are connected with the sliding cover and the fixed handle through threads respectively, so that the whole plier is convenient to assemble and disassemble and can be cleaned without being disassembled into spare parts, and the problem that assemblies are prone to being lost is solved. And the sliding rods with different lengths can be replaced according to the angle requirements of the surgical site, so that flexible adjustment is realized, and the reliability and accuracy of the surgery are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to a detachable laminectomy rongeur. BACKGROUND

[0002] Traditional laminectomy rongeur mostly cannot be disassembled and can only be cleaned as a whole. However, bone residues and tissues often remain in the gap of the laminectomy rongeur during the operation, which is difficult to clean thoroughly and can easily cause cross infection and other serious consequences after long-term use. There are also some laminectomy rongeurs that can be disassembled on the market, but they can only be disassembled into scattered parts for cleaning, have certain requirements for the placement position, and have the risk of losing components, which seriously affects the work effect and efficiency.

[0003] In addition, the existing laminectomy rongeur usually has a fixed length and cannot be flexibly adjusted according to the angle requirements of the operation site, which affects the reliability and accuracy of the operation. SUMMARY

[0004] In view of the above problems, the utility model aims to provide a detachable laminectomy rongeur.

[0005] To achieve the technical purpose, the utility model provides a detachable laminectomy rongeur, which comprises a fixed handle and a movable handle that cooperate with each other, an upper cover is arranged above the fixed handle and is movably connected with the upper cover, the movable handle penetrates the inner cavity of the fixed handle and is rotatably connected with the upper cover, and the movable handle is movably connected with the fixed handle, one end of the fixed handle is connected with a secondary rod, and one end of the upper cover is connected with a primary rod.

[0006] Preferably, a limiting sliding groove is formed in the lower part of the fixed handle, screws are arranged on the upper side surfaces of the movable handle, the screws are rollingly connected with the limiting sliding groove, first and second elastic sheets are arranged in the hollow region between the fixed handle and the movable handle, the first elastic sheet is connected with the fixed handle through a bolt, and the second elastic sheet is connected with the movable handle through a bolt.

[0007] Preferably, a sliding block is arranged at the bottom end of the primary rod, a connecting block is arranged at one end of the primary rod, a threaded end is arranged at one end of the connecting block, a first sliding groove matched with the sliding block and a second sliding groove matched with the connecting block are arranged at the top end of the secondary rod, a threaded interface is arranged at one end of the secondary rod, and the threaded interface is matched with the connecting block.

[0008] Preferably, the threaded end of the primary rod is threadedly connected with the upper cover, and the threaded interface of the secondary rod is threadedly connected with the fixed handle.

[0009] Preferably, a nut is threadedly connected with the surface of the threaded interface.

[0010] The utility model discloses beneficial effect,

[0011] Main rod and vice rod are connected with slide cover and fixed handle through thread respectively, make the whole group convenient to disassemble, need not to be dismantled into the spare part and can clean, have solved the problem of easy to lose component, also can change the slide rod of different length according to the angle demand of operation site, and further flexible adjustment, improve the reliability and accuracy of operation. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structural diagram of the utility model;

[0013] Figure 2 It is Figure 1 Front view;

[0014] Figure 3 It is Figure 2 Sectional view;

[0015] Figure 4 It is the main rod and upper cover connecting structure diagram;

[0016] Figure 5 It is the vice rod and fixed forceps handle connecting structure schematic diagram.

[0017] In the drawing: 1, fixed forceps handle 2, movable forceps handle 3, upper cover 4, main rod 5, vice rod 6, limit sliding slot 7, screw 8, first elastic sheet 9, second elastic sheet 10, connecting block 11, threaded end 12, first sliding slot 13, second sliding slot 14, threaded interface 15, nut. DETAILED DESCRIPTION

[0018] The utility model will be further explained in detail in combination with the drawings and specific embodiment.

[0019] As shown in the figure, the embodiment of the utility model is a detachable laminectomy rongeur, which comprises a fixed forceps handle 1 and a movable forceps handle 2 that cooperate with each other, the upper part of the fixed forceps handle 1 is provided with an upper cover 3 and is movably connected with the upper cover 3, the movable forceps handle 2 passes through the inner cavity of the fixed forceps handle 1 and is rotatably connected with the upper cover 3, and the movable forceps handle 2 is movably connected with the fixed forceps handle 1, one end of the fixed forceps handle 1 is connected with a vice rod 5, one end of the upper cover 3 is connected with a main rod 4, the lower part of the fixed forceps handle 1 is provided with a limit sliding slot 6, the upper part of the movable forceps handle 2 is provided with a screw 7 on both sides, the screw 7 is rollingly connected with the limit sliding slot 6, the bottom end of the main rod 4 is provided with a sliding block, and the top end of the vice rod 5 is provided with a first sliding slot 12 matched with the sliding block and a second sliding slot 13 matched with a connecting block 10.

[0020] Specific, drive activity pliers handle 2, pin and fixed pliers handle 1 roll connection of movable pliers handle 2, and the upper part of movable pliers handle 2 and upper cover 3 rotationally connected, so that the upper cover 3 along the surface of fixed pliers handle 1 moves, and the upper cover 3 thus drives the main rod 4 along the auxiliary rod 5, so as to adjust the opening distance of the main rod 4 and the auxiliary rod 5.

[0021] The hollow area between the fixed pliers handle 1 and the movable pliers handle 2 is intersected with the first elastic sheet 8 and the second elastic sheet 9, the first elastic sheet 8 is connected with the fixed pliers handle 1 by bolts, and the second elastic sheet 9 is connected with the movable pliers handle 2 by bolts.

[0022] Specific, movable pliers handle 2 through the inner cavity of fixed pliers handle 1 to the inner cavity of upper cover 3 and with upper cover 3 rotationally connected, the screw 7 of movable pliers handle 2 and the limiting sliding groove 6 roll connection, its purpose is to reduce friction, improve the service life, the first elastic sheet 8 and the second elastic sheet 9 are intersected, which is convenient for the reset of the movable handle.

[0023] One end of the main rod 4 is provided with a connecting block 10, one end of the connecting block 10 is provided with a threaded end 11, one end of the auxiliary rod 5 is provided with a threaded interface 14, the threaded interface 14 is matched with the connecting block 10, the threaded end 11 of the main rod 4 is threadedly connected with the upper cover 3, the threaded interface 14 of the auxiliary rod 5 is threadedly connected with the fixed pliers handle 1, and the threaded interface 14 is threadedly connected with the nut 15.

[0024] Specific, the connecting block 10 of the main rod 4 is clamped into the inside of the threaded interface 14 of the auxiliary rod 5, the threaded end 11 of the main rod 4 is threadedly connected with one end of the upper cover 3, and the auxiliary rod 5 is connected with the fixed pliers handle through the outer wall of the threaded interface 14, and the nut 15 is used for limiting the movement of the auxiliary rod 5 and the fixed pliers handle 1, so that the whole is convenient to assemble and disassemble, and does not need to be disassembled into scattered parts for cleaning, solves the problem that components are easy to lose, and different lengths of sliding rods can be replaced according to the angle requirement of the operation site, thereby being flexible to adjust, improving the reliability and accuracy of the operation.

[0025] Working principle: pull the movable pliers handle 2, the pin of the movable pliers handle 2 is roll connected with the fixed pliers handle 1, and the upper part of the movable pliers handle 2 is rotationally connected with the upper cover 3, so that the upper cover 3 moves along the surface of the fixed pliers handle 1, and the upper cover 3 thus drives the main rod 4 threadedly connected with the upper cover 3 to move along the auxiliary rod 5, so as to adjust the opening distance of the main rod 4 and the auxiliary rod 5.

[0026] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any slight modification, equivalent replacement and improvement made according to the technical essence of the present application to the above embodiment shall be included in the protection scope of the technical scheme of the present application.

Claims

1. A detachable laminectomy rongeur comprising a fixed handle (1) and a movable handle (2) cooperating with each other, characterized in that: The upper portion of the fixed handle (1) is provided with an upper cover (3) and is movably connected with the upper cover (3), the movable handle (2) passes through the inner cavity of the fixed handle (1) and is rotatably connected with the upper cover (3), and the movable handle (2) is movably connected with the fixed handle (1), one end of the fixed handle (1) is connected with a secondary lever (5), one end of the upper cover (3) is connected with a primary lever (4), and the primary lever (4) is movably connected along the secondary lever (5).

2. The detachable laminectomy rongeur of claim 1, wherein: The lower portion of the fixed handle (1) is provided with a limiting sliding groove (6), the upper portion of the movable handle (2) is provided with a screw (7) on both sides, the screw (7) is rollingly connected with the limiting sliding groove (6), and the hollow region between the fixed handle (1) and the movable handle (2) is crossly provided with a first elastic sheet (8) and a second elastic sheet (9), the first elastic sheet (8) is connected with the fixed handle (1) through a bolt, and the second elastic sheet (9) is connected with the movable handle (2) through a bolt.

3. The detachable laminectomy rongeur of claim 1, wherein: The bottom end of the primary lever (4) is provided with a sliding block, one end of the primary lever (4) is provided with a connecting block (10), one end of the connecting block (10) is provided with a threaded end (11), the top end of the secondary lever (5) is provided with a first sliding groove (12) matched with the sliding block and a second sliding groove (13) matched with the connecting block (10), one end of the secondary lever (5) is provided with a threaded interface (14), and the threaded interface (14) is matched with the connecting block (10).

4. The detachable laminectomy rongeur of claim 3, wherein: The threaded end (11) of the primary lever (4) is threadedly connected with the upper cover (3), and the threaded interface (14) of the secondary lever (5) is threadedly connected with the fixed handle (1).

5. The detachable laminectomy rongeur of claim 4, wherein: The surface of the threaded interface (14) is threadedly connected with a nut (15).

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