Planer tool for orthopedic surgery

Abstract

The utility model discloses an orthopedic surgery planer tool which comprises an outer side handle rod and a planer tool driving mechanism, the outer side handle rod is installed and connected to the middle position of the lower end of the planer tool driving mechanism, an inner planer tool is arranged at the upper end of the planer tool driving mechanism, and an outer planer tool is arranged on the peripheral side of the inner planer tool. An installation disc is arranged at the position, located on the planer tool driving mechanism, of the lower end of the external planer tool, the planer tool driving mechanism can drive the internal planer tool to conduct high-speed circumferential rotation, the external planer tool is connected to the circumferential side of the internal planer tool in a sleeved mode, and the internal planer tool can rotate in the external planer tool in a positioned mode. Therefore, the end heads of the external planer tool and the internal planer tool can effectively plane substances at the affected part in the orthopedic surgery, the inclined surfaces of the external planer tool and the internal planer tool are staggered for planing, so that the substances are not easy to damage during staggered removal, and the occlusion removal of the inclined surfaces is more accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to orthopedics medical instrument technical field, concretely relates to a kind of orthopedics surgery planer. BACKGROUND

[0002] Orthopedic instruments generally refer to professional medical instruments specially used for orthopedic surgery, which are mainly divided into orthopedic knives, orthopedic scissors, orthopedic forceps, orthopedic hooks, orthopedic needles, orthopedic scrapers, orthopedic cones, orthopedic drills, orthopedic saws, orthopedic chisels, orthopedic shovels and orthopedic active instruments according to use and performance.

[0003] The existing Chinese patent CN205322419U discloses an orthopedic surgery planer on June 22, 2016, which includes an outer tube and an inner tube that can rotate around its own axis and is sleeved in the outer tube. The front ends of the outer tube and the inner tube are provided with notches. The left and right side walls of the notch at the front end of the outer tube are provided with first sawteeth, and the left and right side walls of the notch at the front end of the inner tube are provided with second sawteeth that can cooperate with the first sawteeth for shearing. The tooth tips of the first sawteeth located on the same side of the notch at the front end of the outer tube and / or the tooth tips of the second sawteeth located on the same side of the notch at the front end of the inner tube are not on the same straight line.

[0004] However, when the above-mentioned orthopedic surgery planer is used, the first sawteeth and the second sawteeth are misaligned during rotation to perform planing and cutting of bones. The front planing and cutting of the first sawteeth and the second sawteeth can easily cause damage to the first sawteeth and the second sawteeth. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an orthopedic surgery planer to solve the problem of damage to the first sawteeth and the second sawteeth caused by the front planing and cutting of the first sawteeth and the second sawteeth when the above-mentioned orthopedic surgery planer is used.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an orthopedic surgery planer, which includes an outer handle and a planer driving mechanism. The outer handle is installed and connected to the middle position of the lower end of the planer driving mechanism. The upper end of the planer driving mechanism is provided with an internal planer. The periphery of the internal planer is provided with an external planer. The lower end of the external planer is provided with a mounting disc on the planer driving mechanism.

[0007] The external planer includes an outer metal rod, an external planer head, an inclined angle planing tooth and a middle sleeve cavity. The upper end of the outer metal rod is provided with an external planer head. The internal part of the outer metal rod and the external planer head is provided with a middle sleeve cavity. The upper end opening of the external planer head is provided with an inclined angle planing tooth.

[0008] The internal planer includes a coupling rod head, an internal planer rod, a bevel planer tooth and an internal planer head, the upper end of the coupling rod head is provided with the internal planer rod, the upper end of the internal planer rod is provided with the internal planer head, the circumferential side of the internal planer head is provided with the bevel planer tooth matched with the bevel planer tooth, and the coupling rod head is installed and connected on the planer driving mechanism.

[0009] The planer driving mechanism includes an outer casing, a driving motor and a first coupling, the inside of the outer casing is provided with the driving motor, the output end of the driving motor is provided with the first coupling, and the first coupling is installed and connected on the coupling rod head.

[0010] The internal planer rod and the internal planer head are sleeved in the inside of the external planer.

[0011] The external planer and the mounting disc are connected through welding, and the connecting position is through.

[0012] The mounting disc and the planer driving mechanism are installed and connected through screws, and the connecting position is provided with a sealing rubber ring.

[0013] The internal planer and the external planer are connected through sleeving, and the internal planer is sleeved in the middle of the inside of the external planer.

[0014] Therefore, the planer has the advantages that:

[0015] 1、The internal planer structure is arranged, so that the internal planer can be positioned and rotated in the external planer, the coupling rod head of the internal planer is fixedly connected with the internal planer rod, the coupling rod head is installed and connected on the planer driving mechanism, so that the planer driving mechanism can drive the coupling rod head to rotate, then the coupling rod head can drive the internal planer rod to rotate, the upper end of the internal planer rod is fixedly connected with the internal planer head, the internal planer rod can drive the internal planer head to rotate, the circumferential side of the internal planer head is fixedly connected with the bevel planer tooth matched with the bevel planer tooth, so that the internal planer head can drive the bevel planer tooth to rotate, the bevel planer tooth and the bevel planer tooth are matched and staggered, so that the staggered material is not easy to be damaged, and the engagement of the bevel surface is more accurate.

[0016] 2. The utility model discloses a external planer structure can cooperate with internal planer to use, and the outer metal pole upper end welding of external planer is fixed with external planer head, and the inside of outer metal pole and external planer head is established with intermediate sleeve cavity, so that internal planer can be positioned rotation in outer metal pole and external planer head because of the area of intermediate sleeve cavity, and the upper end opening of external planer head is fixedly connected with bevel gear, and when the bevel gear cooperates with the bevel gear tooth of internal planer crossly, it can effectively plan the material of the affected area in orthopaedic surgery, and the cooperation of bevel gear and the bevel of bevel gear tooth crossly makes it not easy to damage when crossly removing material, and the occlusion of bevel removes more accurately. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic diagram of the utility model one kind orthopaedic surgery planer,

[0018] Figure 2 It is external planer structure schematic diagram of the utility model one kind orthopaedic surgery planer,

[0019] Figure 3 It is internal planer structure schematic diagram of the utility model one kind orthopaedic surgery planer,

[0020] Figure 4 It is planer drive mechanism structure schematic diagram of the utility model one kind orthopaedic surgery planer.

[0021] In the drawing: 1, internal planer, 11, shaft head, 12, internal planer rod, 13, bevel gear tooth, 14, internal planer head, 2, external planer, 21, outer metal pole, 22, external planer head, 23, bevel gear, 24, intermediate sleeve cavity, 3, outer side handle, 4, installation disc, 5, planer drive mechanism, 51, outer side casing, 52, drive motor, 53, first coupling. DETAILED DESCRIPTION

[0022] To make the purpose, technical scheme and advantage of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in conjunction with the drawings in the utility model embodiment. Obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents the selected embodiment of the utility model.

[0023] Example one

[0024] Refer toFigures 1-3 The utility model discloses an orthopedic surgery planer, including outside handle 3 and planer drive mechanism 5, outside handle 3 is installed and is connected in the middle position of the lower end of planer drive mechanism 5, and personnel is convenient for holding operation, the upper end of planer drive mechanism 5 is installed and is connected with internal planer 1, and planer drive mechanism 5 can drive internal planer 1 to carry out high speed circumferential rotation, and the periphery of internal planer 1 is sleeved with external planer 2, and internal planer 1 can be positioned rotation in the inside of external planer 2, and the relative rotation of external planer 2 and internal planer 1, so that the end of external planer 2 and internal planer 1 can effectively plan the material of the affected area in orthopedic surgery, and the lower end of external planer 2 is installed on planer drive mechanism 5 with installation disc 4, and external planer 2 can be stably fixed on planer drive mechanism 5 and used through installation disc 4;

[0025] External planer 2 includes outer metal rod 21, outer planer head 22, bevel gear 23 and intermediate sleeve cavity 24, the upper end of outer metal rod 21 is welded with outer planer head 22, and the inside of outer metal rod 21 and outer planer head 22 is provided with intermediate sleeve cavity 24, so that internal planer 1 is in the region of intermediate sleeve cavity 24, so that internal planer 1 can be positioned rotation in outer metal rod 21 and outer planer head 22, and the upper end of outer planer head 22 is fixedly connected with bevel gear 23, and when the bevel gear 23 of the upper end opening of outer planer head 22 cooperates with the bevel gear 23 of internal planer 1, the material of the affected area in orthopedic surgery can be effectively planed, and the cooperation of the bevel gear 23 and the bevel gear 13 is not easy to damage when removing the material, and the occlusion of the bevel is more accurate.

[0026] In the utility model, internal planer 1 includes shaft coupling rod head 11, inner planer rod 12, bevel gear 13 and inner planer head 14, the upper end of shaft coupling rod head 11 is fixedly connected with inner planer rod 12, and shaft coupling rod head 11 is installed and is connected on planer drive mechanism 5, so that planer drive mechanism 5 can drive shaft coupling rod head 11 to rotate in the drive, and then shaft coupling rod head 11 can drive inner planer rod 12 to rotate, the upper end of inner planer rod 12 is fixedly connected with inner planer head 14, and inner planer rod 12 can drive inner planer head 14 to rotate, and the periphery of inner planer head 14 is fixedly connected with the bevel gear 13 matched with bevel gear 23, so that inner planer head 14 can drive bevel gear 13 to rotate, and the cooperation of the bevel gear 23 and the bevel gear 13 is not easy to damage when removing the material, and the occlusion of the bevel is more accurate;

[0027] Inner planer rod 12 and inner planer head 14 are sleeved in the inside of external planer 2, so that inner planer rod 12 and inner planer head 14 can be positioned and rotated in external planer 2.

[0028] The utility model discloses, external planer 2 and installation disc 4 are connected through welding, and the connecting place is through, thereby can install and fix, and the connecting place is through, make inside planer 1 can be positioned rotation in external planer 2 and installation disc 4.

[0029] The utility model discloses, installation disc 4 and planer drive mechanism 5 are connected through screw installation, and the connecting place is placed with sealing rubber ring, thereby can install and fix, and when fixed, it is more close and firm.

[0030] The utility model discloses, inside planer 1 and external planer 2 are connected through the sleeve joint, and inside planer 1 is sleeved in the inside middle part of external planer 2, thereby can be positioned rotation.

[0031] Embodiment two

[0032] Refer to Figures 1-1 A kind of orthopedics surgery planer, compared to embodiment one, planer drive mechanism 5 includes outside casing 51, drive motor 52 and first coupling 53, drive motor 52 is screw mounted in the inside of outside casing 51, drive motor 52 because the outside casing 51 of periphery side, thereby effective package protection, the output end of drive motor 52 is fixedly connected with first coupling 53, first coupling 53 is installed and connected on coupling rod head 11, when the output end of drive motor 52 drives first coupling 53 to rotate, first coupling 53 can then drive the rotation of the coupling rod head 11 of inside planer 1 and use.

[0033] Working principle: when using, planer drive mechanism 5 is electrically connected with external controller through connecting line, so that it can be operated and controlled by external controller, in operation, personnel can hold on the outside of planer drive mechanism 5 and outside handle 3, so that personnel can hold and use conveniently, planer drive mechanism 5 can drive inside planer 1 to rotate at high speed, the periphery side of inside planer 1 is sleeved with external planer 2, inside planer 1 can be positioned rotation in external planer 2, the rotation of external planer 2 and inside planer 1 is staggered, so that the end of external planer 2 and inside planer 1 can effectively plan the material of the affected area in orthopedics surgery.

[0034] The above, only for the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme of the utility model and the utility model concept, equivalent replacement or change, all should be covered in the protection scope of the utility model.

[0035] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to be used to limit the scope of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meanings as commonly understood by one of ordinary skill in the art to which this application belongs. The singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise.

Claims

1. An orthopaedic surgical reamer comprising an outer handle (3) and a reamer drive mechanism (5), said outer handle (3) being mounted to the reamer drive mechanism (5) at a position intermediate the lower end of the reamer drive mechanism (5), characterised in that: The upper end of the planer cutter driving mechanism (5) is provided with an inner planer cutter (1), the peripheral side of the inner planer cutter (1) is provided with an outer planer cutter (2), the lower end of the outer planer cutter (2) is provided with a mounting disc (4) on the planer cutter driving mechanism (5); The outer planer cutter (2) comprises an outer metal rod (21), an outer planer cutter head (22), an inclined planer cutter tooth (23) and an intermediate sleeve cavity (24), the upper end of the outer metal rod (21) is provided with the outer planer cutter head (22), the outer metal rod (21) and the outer planer cutter head (22) are internally provided with the intermediate sleeve cavity (24), the upper end opening of the outer planer cutter head (22) is provided with the inclined planer cutter tooth (23).

2. The orthopaedic surgical planer of claim 1, wherein: The inner planer cutter (1) comprises a shaft coupling rod head (11), an inner planer cutter rod (12), an inclined planer cutter tooth (13) and an inner planer cutter head (14), the upper end of the shaft coupling rod head (11) is provided with the inner planer cutter rod (12), the upper end of the inner planer cutter rod (12) is provided with the inner planer cutter head (14), the peripheral side of the inner planer cutter head (14) is provided with the inclined planer cutter tooth (13) matched with the inclined planer cutter tooth (23), and the shaft coupling rod head (11) is mounted and connected on the planer cutter driving mechanism (5).

3. The orthopaedic surgical planing tool of claim 2, wherein: The planer cutter driving mechanism (5) comprises an outer casing (51), a driving motor (52) and a first shaft coupling (53), the inside of the outer casing (51) is provided with the driving motor (52), the output end of the driving motor (52) is provided with the first shaft coupling (53), and the first shaft coupling (53) is mounted and connected on the shaft coupling rod head (11).

4. The orthopedic surgical planer of claim 2, wherein: The inner planer cutter rod (12) and the inner planer cutter head (14) are sleeved in the inner part of the outer planer cutter (2).

5. The orthopedic surgical planer of claim 1, wherein: The outer planer cutter (2) and the mounting disc (4) are connected through welding, and the connecting part is penetrated.

6. The orthopedic surgical planer of claim 1, wherein: The mounting disc (4) and the planer cutter driving mechanism (5) are mounted and connected through screws, and the connecting part is provided with a sealing rubber ring.

7. The orthopedic surgical planer of claim 1, wherein: The inner planer cutter (1) and the outer planer cutter (2) are connected through sleeving, and the inner planer cutter (1) is sleeved in the inner part of the outer planer cutter (2).

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