Operating tool for implanting ulnar radial fibular intramedullary nail

Abstract

The utility model discloses an operation tool for implanting an ulnar radial fibular intramedullary nail, which comprises a right shearing force type rod, a left shearing force type rod, internal thread short tubes, a stretching-in type rod, an arc-shaped side block, a short shaft, a short roller and a placing groove, and the internal thread short tubes are arranged at one end of the right shearing force type rod and one end of the left shearing force type rod; the two ends of the inner side of the arc-shaped side block are each provided with a containing groove, and a short roller is arranged in each containing groove. According to the utility model, the structural design is reasonable, the stretching-in type rod in not limited to one shape is in threaded connection with the internal thread short pipe positioned at one end of the left shearing force type rod, so that the stretching-in type rods in different shapes can be connected and fixed, meanwhile, the two stretching-in type rods are separated and combined to play a role in expanding tissues, and the nail has the functions of clamping a nail body, clamping the nail body and expanding the nail body. Meanwhile, the rotating property of the screw body during screwing is ensured; and the four short rollers distributed in a matrix are close to the surface of the nail body, so that a guide positioning structure is formed, and the accuracy of the mounting position of the nail body is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is a ulnar and radial fibular intramedullary nail implantation operation tool. BACKGROUND

[0002] Ulna and radius are two bones connecting elbow joint and wrist joint, and the thicker one is radius and the thinner one is ulna, tibia and fibula are two bones connecting knee joint and ankle joint, and the thicker one is tibia and the thinner one is fibula. The ulnar and radial fibular intramedullary nail is small in size, and it is very inconvenient to operate, and the existing ulnar and radial fibular intramedullary nail implantation operation tool is single in structure, cannot effectively guide and position the nail body to the implantation position, and the surrounding tissue contraction also affects the implantation nail body operation field of view. UTILITY MODEL CONTENTS

[0003] The utility model discloses a ulnar and radial fibular intramedullary nail implantation operation tool.

[0004] The utility model discloses a ulnar and radial fibular intramedullary nail implantation operation tool through following technical scheme to realize above-mentioned purpose, including right shear force type pole, left shear force type pole, internal thread short tube, stretch into type pole, arc lateral block, short axle, short roll and placing groove, right shear force type pole with left shear force type pole between cross distribution, and right shear force type pole one end with left shear force type pole one end all install internal thread short tube, internal thread short tube with stretch into type pole one end between each other thread fixed connection, and stretch into type pole other end installs arc lateral block, the arc lateral block inboard both ends all are set with placing groove, and each placing groove is equipped with short roll.

[0005] Preferably, the short roll is rotatably installed with a short shaft at both ends, and one end of the short shaft is assembled in the corresponding part of the arc lateral block.

[0006] Preferably, the short roll is rotatably installed with a short shaft at both ends, and one end of the short shaft is assembled in the corresponding part of the arc lateral block.

[0007] Preferably, the right shear force type pole is provided with a rubber handle sleeve at the other end.

[0008] Preferably, the right shear force type pole is provided with a flat section, and the flat section is rotatably connected in the strip-shaped hole on the left shear force type pole through a rotating shaft.

[0009] Preferably, a torsional spring is sleeved on the rotating shaft.

[0010] Compared with the prior art, the utility model has the advantages that the extension type rod of not only one shape is connected with the internal thread short pipe at the one end of the left shear type rod through the thread connection, can satisfy the extension type rod connection of different shapes, and the two extension type rods are combined, the function of tissue expansion is played, the nail body is clamped, and the rotation of the nail body is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without the creative labor under the premise.

[0012] Figure 1 It is the perspective view of the whole structure of the utility model,

[0013] Figure 2 It is the top view of the whole structure of the utility model,

[0014] Figure 3 It is the extension type rod and the arc-shaped side block connecting structure schematic view of the utility model.

[0015] In the drawing: 1, rubber handle cover, 2, right shear type rod, 3, left shear type rod, 4, strip-shaped hole, 5, pivot, 6, flat section, 7, internal thread short pipe, 8, extension type rod, 9, arc-shaped side block, 10, short shaft, 11, short roller, 12, placing groove. DETAILED DESCRIPTION

[0016] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical scheme in the embodiments of the utility model will be clearly and completely described in the following with the drawings in the embodiments of the utility model, obviously, the following described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without the creative labor are within the protection scope of the utility model.

[0017] The technical scheme of the utility model will be further illustrated in the following with the drawings and through the specific embodiments.

[0018] In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0019] See also Figure 1-3 As shown, an ulna, radio and fibular intramedullary nail implantation operation tool includes a right shear type rod 2, a left shear type rod 3, an internally threaded short tube 7, an insertion rod 8, an arcuate side block 9, a short shaft 10, a short roller 11 and a placement slot 12. The right shear type rod 2 and the left shear type rod 3 are cross-distributed, and one end of the right shear type rod 2 and one end of the left shear type rod 3 are both installed with an internally threaded short tube 7, the internally threaded short tube 7 and one end of the insertion rod 8 are mutually threadedly fixedly connected, and the other end of the insertion rod 8 is installed with an arcuate side block 9, and both ends of the inner side of the arcuate side block 9 are provided with a placement slot 12, and each placement slot 12 is provided with a short roller 11;

[0020] The insertion rod 8 is not limited to one shape and is threadedly connected to the internal threaded short tube 7 located at one end of the left shear rod 3, so that insertion rods 8 of different shapes can be connected and fixed. At the same time, the separation and combination of the two insertion rods 8 can play a role in tissue expansion.

[0021] like Figure 3 As shown, short shafts 10 are rotatably mounted at both ends of the short rollers 11, and one end of the short shaft 10 is assembled at the corresponding position of the arc-shaped side block 9. The short rollers 11 are distributed in a matrix to form a rotatable clamping structure, which has the function of clamping the nail body and ensuring the rotation of the nail body when it is screwed;

[0022] The four short rollers 11 distributed in a matrix are close to the surface of the nail body, which is conducive to forming a guiding and positioning structure to ensure the accuracy of the installation position of the nail body.

[0023] like Figure 1 As shown, the other end of the right shear type rod 2 and the other end of the left shear type rod 3 are both provided with a rubber handle sleeve 1 to improve the user's hand-gripping operation feeling.

[0024] like Figure 1 and Figure 2 As shown, the right shear type rod 2 is provided with a flat section 6, and the flat section 6 is rotatably connected to the strip hole 4 on the left shear type rod 3 through a rotating shaft 5. A torsion spring is mounted on the rotating shaft 5 to realize the separation and combination of the corresponding end brackets of the right shear type rod 2 and the corresponding end brackets of the left shear type rod 3.

[0025] Compared with the prior art, the difference lies in that: the insertion rod 8 of not limited to one shape is threadedly connected to the internal threaded short tube 7 located at one end of the left shear rod 3, which can meet the connection and fixation of insertion rods 8 of different shapes. At the same time, the separation and combination of the two insertion rods 8 can play a role in expanding the tissue, clamping the nail body, and ensuring the rotation of the nail body when it is screwed; the four short rollers 11 distributed in a matrix are close to the surface of the nail body, which is conducive to forming a guiding and positioning structure to ensure the accuracy of the installation position of the nail body.

[0026] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and it is intended that all variations within the meaning and scope of the appended claims be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0027] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A tool for implanting an ulna, radio, and fibula intramedullary nail, characterized by: The invention comprises a right shear type rod (2), a left shear type rod (3), an internally threaded short tube (7), an insertion rod (8), an arc-shaped side block (9), a short shaft (10), a short roller (11) and a placement groove (12), wherein the right shear type rod (2) and the left shear type rod (3) are cross-distributed, and one end of the right shear type rod (2) and one end of the left shear type rod (3) are both installed with an internally threaded short tube (7), the internally threaded short tube (7) and one end of the insertion rod (8) are mutually threadedly fixedly connected, and the other end of the insertion rod (8) is installed with an arc-shaped side block (9), and placement grooves (12) are provided at both ends of the inner side of the arc-shaped side block (9), and a short roller (11) is provided in each placement groove (12).

2. The intramedullary nail implantation tool according to claim 1, characterized in that: Short shafts (10) are rotatably mounted on both ends of the short roller (11), and one end of the short shaft (10) is assembled at a corresponding position of the arc-shaped side block (9).

3. The intramedullary nail implantation tool according to claim 1, characterized in that: The short rollers (11) are distributed in a matrix to form a rotatable clamping structure.

4. The intramedullary nail implantation tool according to claim 1, characterized in that: The other end of the right shear type rod (2) and the other end of the left shear type rod (3) are both provided with a rubber handle sleeve (1).

5. The intramedullary nail implantation tool according to claim 1, characterized in that: The right shear-type rod (2) is provided with a flat section (6), and the flat section (6) is rotatably connected to the strip-shaped hole (4) located on the left shear-type rod (3) via a rotating shaft (5).

6. The intramedullary nail implantation tool according to claim 5, characterized in that: A torsion spring is sleeved on the rotating shaft (5).

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