WO2016006983A1

WO2016006983A1 - Medical drill device

Info

Publication number: WO2016006983A1
Application number: PCT/KR2015/007260
Authority: WO
Inventors: 권영식; 한승철
Original assignee: 주식회사 고영테크놀러지
Priority date: 2014-07-11
Filing date: 2015-07-13
Publication date: 2016-01-14

Abstract

The present invention relates to a medical drill device. The medical drill device, according to the present invention, comprises: a boring drill including a motor and a drill part; a device body coupled to the boring drill; and a plurality of supports coupled to the device body so as to support the boring drill in an operating region. The support comprises: a straight part inserted into a support insertion part so as to enable linear motion with respect to the device body; and a bent part bent from the straight part at a predetermined angle. Therefore, the boring drill is supported in the operating region by using the supports having a bent structure and a boring depth of the boring drill is limited, thereby shortening boring time and ensuring the stability of a boring operation.

Description

Medical drill apparatus

The present invention relates to a medical drill device, and more particularly, to a medical drill device that can ensure the accuracy and stability in puncturing a certain size of the bone in a circular shape.

The present invention is derived from a study conducted as part of the industrial source technology development project of the Ministry of Knowledge Economy.

[Job unique number: 10040097, Title of research: Development of minimally invasive multi-degree-of-freedom surgical robot system technology for medical surgery robot image-based otolaryngology

In the field of medical surgery, including deep brain stimulation (DBS) and other stereotactic surgeries, the process of puncturing bones of a certain area to insert surgical instruments such as microelectrodes into the body is required. need.

In general, the drilling of bone for surgery is performed by the operator by manually holding the surgical drill device to visually check the perforation site.

However, in the case of manually drilling the bone by the operator's sense as described above, a problem arises that the accuracy of the drilling operation is lowered and the drilling time is long, depending on the skill of the operator. Difficult to perform the puncturing as it is.

Accordingly, the present invention has been made in view of the above problems, and the present invention provides a medical drill apparatus capable of combining an auxiliary mechanism with a general drilling drill to improve the accuracy of drilling and to shorten the drilling time.

Medical drill apparatus according to an aspect of the present invention, a drill for drilling comprising a drill portion for drilling a portion of the bone through the motor and the rotational force of the motor, a mechanism coupled to the drilling drill to surround a portion of the drilling drill A body, and a plurality of supports coupled to the instrument body for supporting the drilling drill in the work area.

The instrument body includes a support insertion portion into which a portion of the support is inserted, and the support may be coupled to the support insertion portion to enable linear reciprocating motion with respect to the instrument body.

The support may include a straight portion inserted into the support insert to allow a linear movement with the instrument body, and a bent portion bent at a predetermined angle from the straight portion to limit the linear movement of the instrument body.

The medical drill apparatus may further include a depth setting unit for limiting linear movement of the support.

The depth setting unit is installed on the opposite side of the support on the basis of the instrument body, it is possible to set the depth of drilling by adjusting the distance with the support.

The straight portion may include a depth display portion formed on an outer surface to indicate the depth of drilling.

The medical drill apparatus may further include an elastic member formed in the support insert to return the position by the elastic force after the linear movement of the instrument body.

The medical drill apparatus may further include at least one stopper coupled to protrude from the instrument body to a predetermined height to limit the movement of the drill drill.

The plurality of supports may be formed at regular intervals in the circumferential direction of the instrument body, and the stopper may be formed at regular intervals between the supports in the circumferential direction of the instrument body.

According to such a medical drill device, by using a support having a bent structure, the drilling drill is supported in the work area, and the drilling depth of the drilling drill is limited to shorten the drilling time and ensure the stability of the drilling work. have.

In addition, by additionally arranging a secondary stabilizer using a stopper together with the primary stabilizer by the support, the stability of the drilling operation can be further improved.

1 is a perspective view showing a medical drill apparatus according to an embodiment of the present invention.

2 is a partially enlarged view specifically showing the instrument body portion.

3 is a view showing the installation state before the drilling operation of the medical drill apparatus according to an embodiment of the present invention.

Figure 4 is a view showing a state during the drilling operation of the medical drill apparatus according to an embodiment of the present invention.

As the inventive concept allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the text. However, this is not intended to limit the present invention to the specific disclosed form, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "having" are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof described in the specification, and that one or more other features It should be understood that it does not exclude in advance the possibility of the presence or addition of numbers, steps, actions, components, parts or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art.

Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art, and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a medical drill apparatus according to an embodiment of the present invention, Figure 2 is a partially enlarged view showing the instrument body portion in detail.

1 and 2, the medical drill apparatus according to an embodiment of the present invention is a drill body 100, coupled to the drill drill 100, the drill body 100, and the drill drill 100 It includes a plurality of supports 300 coupled to the instrument body 200 to support the work area.

The drilling drill 100 includes a motor 110 for providing a rotational force and a drill 120 for drilling a portion of the bone through the rotational force of the motor 110.

The drill unit 120 is connected to the motor 110 and covers the drill blade 122 and a portion of the drill blade 122 and the drill blade 122 which rotates according to the rotation of the motor 110 and the instrument body ( It includes a drill blade fixing portion 124 coupled to the 200. The drill blade 122 may be used in various sizes to suit the intended drilling diameter. For example, the drill blade 122 is formed to a diameter of about 10mm. The drill blade 122 and the drill blade fixing part 124 may be integrally formed to be detachable to the instrument body 200.

The instrument body 200 is coupled to the drill drill 100 to surround a portion of the drill drill 100. For example, when the drill drill 100 is formed in a cylindrical shape, the instrument body 200 is formed in a cylindrical shape corresponding to the drill drill 100, the drill drill 100 therein It has a structure in which a cylindrical through hole is formed to be inserted and fixed.

The instrument body 200 includes a support insert 210 into which a portion of the support 300 is inserted. For example, the support insertion unit 210 is formed in the shape of a hole penetrating from the lower surface of the instrument body 200 to the upper surface. Support insert portion 210 is formed in a plurality at regular intervals along the circumferential direction of the instrument body 200 corresponding to the installation position of the support (300).

Support 300 is coupled to the lower portion of the instrument body 200 to support the drilling drill 100 in the working area for drilling. For example, the support 300 is coupled to the support insert 210 to enable linear reciprocating motion with respect to the instrument body 200.

Specifically, the support 300 is a straight portion 310 inserted into the support insertion portion 210 to enable a linear reciprocating motion with the instrument body 200, and a straight portion to limit the linear movement of the instrument body 200 It includes a bent portion 320 bent at a predetermined angle from the 310. During the drilling operation, the drilling body 100 and the instrument body 200 coupled to the drilling drill 100 proceed along the drilling operation while descending along the straight portion 310 of the support 300, bending portion 320 The further lowering is limited by) to limit the puncture depth so that no puncture is made beyond the intended depth. Therefore, the support 300 supports the drill drill 100 to the work area and at the same time serves as a stabilizer to prevent the drilling is made more than the intended depth.

On the other hand, the medical drill apparatus of the present invention may further include a depth setting unit 400 for setting the depth of drilling. The depth setting unit 400 may limit the linear motion of the support 300 to set the drilling depth for the drilling drill 100. For example, the depth setting unit 400 is installed on the opposite side of the support 300 on the basis of the instrument body 200, and adjusts the distance that the support 300 is inserted into the support insertion unit 210 to adjust the depth of drilling. Can be set.

In one embodiment, a portion of the depth setting portion 400 is exposed to the top of the instrument body 200, while the remaining portion of the depth setting portion 400 is inserted into the support insert portion 210 of the instrument body 200. do. In this case, the depth setting unit 400 and the support inserting unit 210 may be coupled by a screw fastening method, and the distance between the depth setting unit 400 and the support 300 may be adjusted by rotating the depth setting unit 400. . On the other hand, the setting method of the drilling depth, in addition to the screw fastening method, various methods for adjusting the relative distance between the depth setting unit 400 and the support 300 may be applied.

On the other hand, when setting the depth of drilling through the depth setting unit 400, the depth display portion 312 may be formed on the outer surface of the straight portion 310 of the support 300 to display the intended depth of drilling. Accordingly, the operator may set the intended drilling depth through the depth setting unit 400 while observing the scale display of the depth display unit 312. The depth display 312 may be formed not only on the outer surface of the straight portion 310 but also on the periphery of the instrument body 200 or the support inserting portion 210 to display the depth of drilling.

The medical drill apparatus of the present invention may further include an elastic member 500 formed in the support inserting portion 210 to return the position by the elastic force after the linear movement of the instrument body 200. That is, when the drilling operation is completed through the downward movement of the drilling drill 100 and the instrument body 200, the drilling drill 100 and the instrument body 200 are raised and lowered by the elastic force of the elastic member 500. It will return to the previous position. The elastic member 500 is formed of, for example, a spring inserted into the support insert 210.

The medical drill apparatus of the present invention may further include at least one stopper 600 to restrict the drill drill 100 from entering more than the intended depth. Stopper 600 is coupled to protrude to a certain height from the instrument body 200 to limit the movement of the drill 100 for drilling. For example, a plurality of stoppers 600 are formed at regular intervals between the supports 300 along the circumferential direction of the instrument body 200.

As such, when the drill drill 100 and the instrument body 200 for drilling are lowered, together with the primary stabilizer by the bent portion 320 of the support 300, the stopper (secondary stabilizer) By further placing 600), the stability of the drilling operation can be further improved.

Figure 3 is a view showing the installation state before the drilling operation of the medical drill apparatus according to an embodiment of the present invention, Figure 4 is a view showing a state during the drilling operation of the medical drill apparatus according to an embodiment of the present invention. 3 and 4, 710 represents bone, 720 represents skin, and 730 represents internal organs.

1 and 3, prior to the drilling of the bone 710 of a particular site, the setting of the intended drilling depth for the medical drill device is performed. For example, the drilling depth is set to correspond to the thickness of the bone 710 through the manipulation of the depth setting unit 400. When setting the drilling depth, the operator can accurately set the intended drilling depth with reference to the depth display 312 formed on the straight portion 310 of the support 300.

After setting the drilling depth through the depth setting unit 400, as shown in FIG. 3, the medical drill apparatus is mounted to be supported by the support 300 in the work area of the patient for drilling. In the basic mounting of the medical drill device, the drill blade 122 is positioned to be spaced apart from the skin 720 and the bone 710 by a predetermined distance, the lower end of the stopper 600 is the bottom of the drill blade fixing portion 124 Slightly below.

1 and 4, while the medical drill device is fixed through the support 300, the drilling work for the bone 710 is performed while the drilling drill 100 is lowered. When the drill drill 100 is lowered, the support 300 maintains a fixed position, while the instrument body 200 is lowered along the straight portion 310 of the support 300 together with the drill drill 100. .

On the other hand, the downward movement of the drill 100 and the instrument body 200 is limited by the bent portion 320 of the support (300). That is, when the instrument body 200 descends along the straight portion 310 of the support 300 and meets the bent portion 320, the instrument body 200 stops without lowering any more. As such, by supporting the drill drill 100 to the work area by using the support structure 300 of the bent structure, by limiting the drilling depth of the drill drill 100, the drilling is made more than the intended depth inside It may function as a primary stabilizer to prevent damage to organs 730.

In addition, the downward movement of the drill 100 and the instrument body 200 may be limited by the stopper 600. That is, when the drilling drill 100 and the instrument body 200 descends, the stopper 600 coupled to the lower portion of the instrument body 200 does not descend any more and stops when contacted with the patient's body. In this way, in case the primary stabilization measures by the support 300 is insufficient, by further disposing the stopper 600 as a secondary stabilizer, it is possible to further improve the stability of the drilling operation.

On the other hand, after the completion of the drilling operation, if the force applied to the drilling drill 100 is removed, the drilling drill 100 and the instrument body 200 by the elastic force of the elastic member 500 is raised to return to the original position Done.

In the detailed description of the present invention described above with reference to the preferred embodiments of the present invention, those skilled in the art or those skilled in the art having ordinary skill in the art will be described in the claims to be described later It will be understood that various modifications and variations can be made in the present invention without departing from the scope of the present invention.

(Explanation of the sign)

100: drilling drill, 110: motor, 120: drill portion, 122: drill blade, 124: drill blade fixing portion, 200: instrument body, 210: support insert portion, 300: support, 310: straight portion, 312: depth Display part 320: Bending part 400: Depth setting part 500: Elastic member 600: Stopper

Claims

Drill for drilling comprising a motor and a drill;

An instrument body coupled to the drill for drilling; And

And a plurality of supports coupled to the instrument body to support the drill drill in the work area.
The method of claim 1,

The instrument body includes a support insert into which a portion of the support is inserted,

The support is medical drill device, characterized in that coupled to the support insert to enable a linear movement with respect to the instrument body.
The method of claim 2, wherein the support is

A straight portion inserted into the support insertion portion to enable a linear movement with the instrument body; And

And a bent portion bent at a predetermined angle from the straight portion.
The method of claim 3,

Medical drill apparatus further comprises a depth setting for limiting the linear movement of the support.
The method of claim 4, wherein

The depth setting unit is installed on the opposite side of the support on the basis of the instrument body, medical drill apparatus, characterized in that for setting the depth of drilling by adjusting the distance to the support.
The method of claim 5,

The medical drill apparatus, characterized in that the straight portion includes a depth display portion formed on the outer surface.
The method of claim 2,

And a resilient member in the support insert.
The method of claim 2,

Medical drill apparatus further comprises at least one stopper coupled to protrude to a predetermined height from the instrument body.
The method of claim 8,

The plurality of supports are formed at regular intervals along the circumferential direction of the instrument body,

The stopper is a medical drill device, characterized in that formed at regular intervals between the support in the circumferential direction of the instrument body.