Bone drill for surgical operation

Abstract

The utility model relates to the related field of medical instruments, and discloses a bone drill for surgical operation, which comprises a drill bit main body and a positioning piece, and a mounting hole for mounting the positioning piece is arranged in the drill bit main body along the length direction of the drill bit main body; according to the utility model, the drill bit main body is matched with the positioning piece, so that effective positioning can be realized, a circle center hole can be smoothly drilled, the operation risk is reduced, the operation efficiency is improved, and the drill bit plays a good role in assisting postoperative recovery of a patient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of medical instruments, concretely is a kind of bone drill for surgical operation. BACKGROUND

[0002] In modern medical orthopedic surgery, the biomechanical line of the human body is restored to mark one of the conditions of successful operation, there are many important reference marks in the human skeleton, these marks are one of the important standards for us to observe the reduction of the skeleton in surgery, such as tibial tuberosity, greater trochanter, lesser trochanter etc. Many patients have some symptoms such as bone loss, bone fusion, bone deformity healing etc. These symptoms cause the loss of important mark points, which requires the establishment of some reliable mark reference for surgery in operation, generally, kirschner wire is punched into the skeleton as a positioning point, then hollow bone drill is completed by power system holding, concentricity is not high, sometimes it is difficult to drill the required center hole in the drilling process, and the problem of drilling into oval hole appears. Therefore, in view of the above status, it is urgent to provide a bone drill for surgical operation to overcome the deficiencies in current practical application.

[0003] The existing bone drill needs to punch kirschner wire into the cortical bone as a positioning point when used, then hollow bone drill is completed by power system holding, concentricity is not high, sometimes it is difficult to drill the required center hole in the drilling process, and the problem of drilling into oval hole appears. Therefore, in view of the above status, it is urgent to provide a bone drill for surgical operation to overcome the deficiencies in current practical application. UTILITY MODEL CONTENT

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a bone drill for surgical operation, which effectively solves the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a bone drill for surgical operation, the bone drill for surgical operation includes drill head main part and positioning piece, the installation hole for installing positioning piece is opened in the drill head main part along the length direction of drill head main part.

[0006] As a further optimization of the technical solution, the positioning piece is a positioning needle.

[0007] As a further optimization of the technical solution, the positioning needle is detachably installed in the installation hole.

[0008] As a further optimization of the technical solution, the front end of the drill head main part is provided with a cutting edge structure.

[0009] As a further optimization of the technical solution, the drill head main part and the positioning needle are made of high-strength, high-temperature-resistant and biocompatible medical alloy material.

[0010] As a further optimization of the technical solution, the high-strength, high-temperature-resistant and biocompatible medical alloy material is one of titanium alloy, cobalt-chromium alloy and nickel-titanium alloy.

[0011] As a further optimization of the technical solution, the positioning needle is installed in the mounting hole, and the tip of the positioning needle protrudes from the cutting edge structure at the front end of the drill bit body.

[0012] Compared with the prior art, the beneficial effects of the utility model are: in use, first, the drill bit body is installed on the electric drill, then the positioning needle is installed in the mounting hole, and finally the positioning needle is advanced into the treatment position for positioning, by the mode that the motor drives the drill bit body to rotate, the center hole can be drilled smoothly, the surgical risk is reduced, the surgical efficiency is improved, and the recovery of the patient after the operation is well assisted. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creative labor. The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, together with the embodiments of the utility model, to explain the utility model, and do not constitute a limitation on the utility model.

[0014] In the drawings:

[0015] Figure 1 It is a structural schematic view of the utility model.

[0016] Figure 2 It is an explosion view of the utility model.

[0017] Figure 3 It is a structural schematic view of the drill bit body in the utility model.

[0018] In the drawing: 1-drill bit body, 2-positioning needle, 3-mounting hole. DETAILED DESCRIPTION

[0019] The technical solutions of the utility model will be described clearly and completely below in combination with the drawings, and obviously, the described embodiments are a 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 belong to the protection scope of the utility model.

[0020] For purposes of the description hereinafter, spatial or directional terms, such as, for example, "above", "below", "top", "bottom", "over", "under", "upper", "lower", and the like, can be used where reference is made to one structure or feature in relation to other structures or features. It is to be understood that such spatial and directional terms are in fact intended to encompass different orientations of the device or feature in use or operation in addition to the orientation depicted in the figures. For example, if the device depicted in the figures is inverted, then the description of a structure or feature as "above" or "over" another structure or feature is intended to encompass both an orientation where the described structure or feature is above or over the other structure or feature and an orientation where the described structure or feature is below or under the other structure or feature. Likewise, the description of a structure or feature as "below" or "under" another structure or feature is intended to encompass both an orientation where the described structure or feature is below or under the other structure or feature and an orientation where the described structure or feature is above or over the other structure or feature. Thus, an illustrative term "above" can encompass both an orientation above and an orientation below. The structures or features can also be oriented in other ways (rotated 90 degrees or at other orientations) and the spatial or directional descriptions used herein interpreted accordingly.

[0021] It is to be understood that the terminology used herein is for the purpose of describing specific embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising", when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0022] It will be understood that the terms "first", "second", etc. are used herein to describe various elements in an example embodiment and do not connote an ordering, unless specifically stated otherwise. It will be further understood that the terms "comprise", "comprising", "have", "having", "include" and / or "including" used herein are intended to be open-ended, unless specifically stated otherwise. It will be further understood that the terms "include", "including", "comprise", "comprising", "have", "having", "contain" and / or "containing" are used synonymously, unless specifically stated otherwise.

[0023] The utility model will be explained further in combination with specific implementation.

[0024] Please refer to Figure 1 Figure 3 The utility model discloses a surgical operation bone drill, surgical operation bone drill includes drill head main body 1 and positioning piece, the installation hole 3 for installing positioning piece is set up along the length direction of drill head main body 1 in drill head main body 1;

[0025] The positioning member is a positioning needle 2;

[0026] The positioning needle 2 is detachably installed in the mounting hole 3.

[0027] In the embodiment, the positioning needle 2 can be selected in different lengths, which can be selected according to the use requirement. In use, first, the drill bit body 1 is installed on the electric drill, wherein the electric drill adopts the prior art, then the positioning needle 2 is installed in the mounting hole 3, and finally the positioning needle is advanced into the treatment position for positioning. By means of the rotation of the drill bit body 1 driven by the motor, the center hole can be drilled smoothly, the operation risk is reduced, the operation efficiency is improved, and the recovery of the patient after the operation is well assisted.

[0028] In one embodiment of the utility model, please refer to Figures 1-3 , the front end of the drill bit body 1 is provided with a cutting edge structure; it is convenient to drill;

[0029] The drill bit body 1 and the positioning needle 2 are made of high-strength, high-temperature-resistant and biocompatible medical alloy materials;

[0030] The high-strength, high-temperature-resistant and biocompatible medical alloy material is one of titanium alloy, cobalt-chromium alloy and nickel-titanium alloy; wherein the selection of the preparation material is not specifically limited here, and can be selected according to the actual application;

[0031] After the positioning needle 2 is installed in the mounting hole 3, the tip of the positioning needle 2 protrudes from the cutting edge structure of the front end of the drill bit body 1, which is convenient for positioning.

[0032] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A surgical bone drill characterized by, The surgical bone drill comprises a drill bit body (1) and a positioning member, and an installation hole (3) for installing the positioning member is formed in the drill bit body (1) along the length direction of the drill bit body (1).

2. A surgical bone drill according to claim 1, wherein The positioning member is a positioning needle (2).

3. A surgical bone drill according to claim 2, wherein The positioning needle (2) is detachably installed in the installation hole (3).

4. A surgical bone drill according to claim 2, wherein The front end of the drill bit body (1) is provided with a cutting edge structure.

5. A surgical bone drill according to claim 4, wherein The drill bit body (1) and the positioning needle (2) are both made of a medical alloy material with high strength, high temperature resistance and biocompatibility.

6. A surgical bone drill according to claim 5, wherein The medical alloy material with high strength, high temperature resistance and biocompatibility is one of titanium alloy, cobalt-chromium alloy and nickel-titanium alloy.

7. A surgical bone drill according to claim 6, wherein After the positioning needle (2) is installed in the installation hole (3), the tip of the positioning needle (2) protrudes from the cutting edge structure at the front end of the drill bit body (1).

Images