KR100804775B1 - Stick-Detach Structure of Broach and Broach handle - Google Patents

Abstract

The present invention relates to a detachable structure of a broach and a broach handle, and in detail, a broach can be easily replaced to use a broach of a suitable size, and a detachable attachment can be achieved while preventing the broach from rotating in the broach handle. The structure can be implemented at a low cost, and relates to a detachable structure of a broach and broach handle that can be stably performed to make the best use of the original life of the hip joint.

The configuration of the present invention for this purpose is a broach used for artificial hip replacement procedure, a broach handle that can be gripped by the operator, and a detachable portion which can easily combine and separate the brooch and broach handle by the brooch. Include.

Hip joint, femur, brooch, brooch handle

Description

Stick-Detach Structure of Broach and Broach handle}

1 is a schematic diagram of a hip joint undergoing hip replacement

Figure 2 is a perspective view of the brooch and brooch handle coupled to the removable structure of the brooch and brooch handle according to the invention

Figure 3 is an exploded perspective view of the removable structure of the brooch and brooch handle according to the invention

Figure 4 is an exploded cross-sectional view of the removable structure of the brooch and brooch handle according to the present invention.

5 is a plan view of a removable part according to the present invention;

Figure 6a is a plan view showing a state in which the user does not press the removable portion in the use state of the removable portion coupled to the broach handle according to the present invention

Figure 6b is a plan view showing a state in which the user presses the detachable portion in the use state of the detachable portion coupled to the brooch handle according to the invention

* Description of the symbols for the main parts of the drawings *

1: Detachable structure of brooch and brooch handle 2: Brooch 3: Detachable part

4 broach handle 10 femur 11 pelvis 12 artificial joint 20 procedure

21: inserting portion 31: pressurizing portion 32: locking portion 33: escape prevention opening 40: gripping portion

41: coupling portion 211: body 212: rotation preventing device 321: locking projection

322: separation guide 323: insertion guide 411: receiving portion 412: removable coupling groove

2111: engaging groove 2112: chamfer 2121: auxiliary chamfer 4111: rotation preventing groove

4121: locking hole 4121a: separation guide chamber

The present invention relates to a detachable structure of a broach and a broach handle, and more particularly, a broach used for a hip replacement procedure, a broach handle that can be gripped by an operator, and the brooch and the broach handle by the broach. It relates to a detachable structure of the brooch and brooch handle including a detachable portion that can be easily coupled, separated.

In the human body, there are joints as bones and bones that can be connected and move freely. Among these joints, the second largest joint following the knee joint allows the human to walk as a hip or hip joint, and connects the trunk and legs. Located in When hip pain, degenerative arthritis, or the like causes severe discomfort in walking or daily life, hip replacement is performed. The exposed thigh bone (femur) and hip bone (pelvis) are removed and the hip joint is inserted.

1 is a schematic diagram of a hip joint undergoing hip arthroplasty.

Referring to FIG. 1, the hip replacement surgery is performed by placing an artificial joint 12 between the femur 10 and the pelvis 11, and the artificial joint 12 is inserted and fixed for such a procedure. The femur (10) is to form a procedure that is recessed to a certain size, the surgical instrument used in this case is a brooch. On the other hand, brooches are combined with a broach handle that can be gripped by the operator, such brooches and broach handles are also used in the art as terms such as RASP and RASP handle, in the present invention described using the name brooch and broach handle Let's do it.

Here, the brooch is coupled to the broach handle, and when the procedure for forming the treatment part in the femur 10 to insert the artificial joint 12, the broach and the brooch handle is released, there is a problem that the procedure is difficult.

In addition, in the case where the coupling of the brooch and the broach handle is firmly formed, when a procedure is formed in the femur 10 in order to insert the artificial joint 12, a small size brooch is used during the initial procedure. While replacing with a large size brooch to form a procedure for inserting the artificial joint 12 into the femur 10, in this case there is a problem that can not easily replace the brooch.

In addition, the locking device provided to make the brooch and the brooch handle securely formed by the combination of a plurality of configurations is increased the cost for providing a locking device, to operate the locking device to fix the brooch to the brooch handle The process is complicated.

In addition, the complex structure of the brooch and brooch handles increases the time and effort required to replace the broach, thus making it difficult for the operator to concentrate on the procedure and increasing the pain of the patient as the procedure time increases. There is.

In addition, in the case of forming a procedure for inserting the artificial joint 12 into the femur 10, the broach may rotate in a broach handle, which may cause difficulties in the procedure, and the procedure fails to maintain the intrinsic life of the artificial hip joint. There is a problem that the patient's pain is increased, such as not being able to perform or reoperation.

The present invention has been made to solve the above problems, an object of the present invention is to easily remove the broach and brooch handles that can be easily replaced with a broach of the size required in the procedure, while the brooch handle and brooch to achieve a solid coupling. The purpose is to provide a structure.

The present invention can be firmly combined by simply inserting the brooch into the broach handle without operating a separate locking device when the brooch is coupled to the broach handle, which is convenient to use and can shorten the procedure time accordingly. It is an object to provide a removable structure of brooches and brooch handles.

It is an object of the present invention to provide a detachable structure of a brooch and a brooch handle that can easily and easily detach a broach and a brooch handle through a detachable portion formed of only one configuration, thereby reducing manufacturing costs.

It is an object of the present invention to provide a detachable structure of a brooch and a broach handle that can prevent the broach from rotating during the procedure while maintaining a firm coupling between the brooch and the broach handle.

The present invention can easily replace the broach to form a suitable treatment section for a variety of patients, the combination of the brooch and the broach handle is firm, so that the operator can easily perform the correct procedure to maintain the life of the artificial joint It is an object to provide a detachable structure of a brooch and a brooch handle.

Detachable structure of the brooch and brooch handle for achieving the above object of the present invention includes the following configuration.

According to the first embodiment of the present invention, the detachable structure of the brooch and brooch handle according to the present invention includes a broach used for artificial hip replacement procedure, a broach handle that can be gripped by the operator, It characterized in that it comprises a removable portion that can be easily coupled, the brooch and the brooch handle.

According to the second embodiment of the present invention, in the detachable structure of the brooch and brooch handle according to the present invention, the detachable portion is coupled to the broach handle, the pressing portion that the user can press the release of the brooch by pressing And a locking portion penetrating the broach handle to prevent the broach and the broach handle from being separated by the engagement with the brooch, and the broach further includes a locking groove corresponding to the locking portion. It features.

According to a third embodiment of the present invention, in the detachable structure of the brooch and the brooch handle according to the present invention, the engaging portion additionally the separation guide so that the engagement with the brooch can be easily released by the pressure of the user. It is characterized by including.

According to the fourth embodiment of the present invention, in the detachable structure of the brooch and the brooch handle according to the present invention, the locking portion further comprises an insertion guide drawing for inducing the insertion of the brooch to facilitate the engagement with the brooch. It features.

According to a fifth embodiment of the present invention, in the detachable structure of the brooch and the brooch handle according to the present invention, the brooch further includes a rotation preventing device for preventing rotation when the brooch handle is coupled, the brooch The handle is characterized in that it further comprises an anti-rotation groove that can accommodate the anti-rotation tool.

According to a sixth embodiment of the present invention, in the detachable structure of the brooch and the broach handle according to the present invention, the anti-rotation tool further comprises an auxiliary chamfer so that it can be easily inserted into the anti-rotation groove. .

According to a seventh embodiment of the present invention, in the detachable structure of the brooch and the brooch handle according to the present invention, the brooch is tapered and formed in the direction to be inserted into the broach handle so that it can be easily inserted and coupled to the brooch handle. Characterized in that, the broach handle is characterized in that it is reduced and formed corresponding to the brooch.

According to an eighth embodiment of the present invention, in the detachable structure of the brooch and the brooch handle according to the present invention, the broach is a chamfer corresponding to the insertion guide surface of the engaging portion to be easily coupled by the engaging portion and the engaging portion. Characterized in that it further comprises.

According to a ninth embodiment of the present invention, in the detachable structure of the brooch and the broach handle according to the present invention, the brooch handle further includes a catching hole for penetrating the catch so that the catch can be engaged with the brooch. It characterized by including as.

According to a tenth embodiment of the present invention, in the detachable structure of the brooch and the brooch handle according to the present invention, the brooch handle includes a detachable portion coupling groove to which the detachable portion is coupled, and the detachable portion is formed from the detachable portion coupling groove. It characterized in that it further comprises a departure prevention tool for preventing the departure.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the removable structure of the brooch and brooch handle according to the present invention will be described in detail.

Figure 2 is a perspective view of the brooch and brooch handle coupled to the removable structure of the brooch and brooch handle according to the present invention.

Referring to FIG. 2, the detachable structure 1 of the brooch and the brooch handle according to the present invention includes a brooch 2, a detachable part 3, and a broach handle 4.

Figure 3 is an exploded perspective view of the removable structure of the brooch and brooch handle according to the present invention, Figure 4 is an exploded cross-sectional view of the removable structure of the brooch and brooch handle according to the present invention.

2 to 4, the brooch 2 includes an insertion portion 21 that can be coupled to and separated from the broach handle 4 to be described below on one side, and the artificial joint on the femur on the other side. Having a surgical tool 20 that can form a surgical part for insertion, the surgical tool 20 is because it is obvious to those skilled in the art belonging to the art of artificial joint replacement technology for the hip joint, detailed description of the surgical tool 20 The description will be omitted.

The insertion part 21 is formed in a cylindrical shape as a whole, and can be inserted into and coupled to the broach handle 4 to be described below, and includes a body 211 and a rotation preventing device 212.

The body 211 has a cylindrical shape that is formed to extend a predetermined length is reduced in the end of the surgical tool 20, and includes a locking groove (2111). On the other hand, according to another embodiment of the present invention, the body 211 has a cylindrical shape that is reduced in diameter at the end of the treatment tool 20 and extends for a predetermined length, and a truncated cone shape extending in a predetermined inclination with a predetermined inclination angle at its bottom. It can be formed in a combined structure. This makes it easy to insert and detach the broach handle 4 while the insertion part 21 is inserted to a sufficient depth in a coupling relationship and use relationship of the detachable structure 1 of the brooch and the brooch handle, which will be described below. To make it possible.

The locking groove 2111 is a groove formed by recessing inwardly in a 'C' shape from both side walls of the body 21, which is a coupling relationship between the detachable structure 1 of the brooch and the broach handle, which will be described below. In use, the insertion portion 21 is inserted into the broach handle 4 so that the locking groove 2111 can firmly couple the brooch 2 and the brooch handle 4 by the engagement with the detachable portion 3. Make sure

Meanwhile, according to another embodiment of the present invention, the body 211 may further include a chamfer 2112, wherein the chamfer 2112 has both sidewalls of the body 21 in which the engaging grooves 2111 are formed. An inclined surface chamfered at a predetermined inclination angle, which means that the engaging groove 2111 is engaged with the detachable portion 3 in a coupling relationship and a use relationship between the detachable structure 1 of the brooch and the brooch handle, which will be described below. The insertion portion 21 can be easily inserted into the broach handle 4 to be firmly coupled.

The anti-rotation tool 212 is formed in a rectangular plate shape as a whole, is formed by extending a predetermined length downwardly axially reduced at the end of the body 211, which is a detachable structure (1) of the brooch and brooch handle to be described later When the brooch 2 is coupled to the broach handle 4 in a coupling relationship and a use relationship of the brooch 2, the brooch 2 is prevented from rotating in the broach handle 4 when the operator uses the brooch 2. On the other hand, according to another embodiment of the present invention, the anti-rotation tool 212 is to be formed in another form in addition to the square plate shape if it is a shape that can prevent the broach 2 to rotate in the broach handle (4) as described above For example, the outer surface may be formed in a plate shape forming a polygon.

Meanwhile, according to another embodiment of the present invention, the rotation preventing device 212 may further include an auxiliary chamber 2121. Referring to FIG. 4, the auxiliary chamber 2121 may include the rotation preventing device ( 212) is an inclined surface chamfered at a predetermined inclination angle, which means that the insertion portion 21 is connected to the broach handle 4 in a coupling relationship and use relationship between the detachable structure 1 of the brooch and the brooch handle, which will be described later. Make it easier to insert.

5 is a plan view of a removable part according to the present invention.

3 to 5, the detachable portion 3 is formed in a '∪' shape as a whole, and is coupled to the broach handle 4 to be described below, and the detachable portion 3 is connected to the brooch 2. The brooch 2 and the brooch handle 4 can be easily coupled and separated by the catch, and include a pressing part 31, a catching part 32, and a release preventing device 33. In addition, the detachable part 3 has a structure in which a plurality of configurations are combined to lock the broach 2 and the broach handle 4 in the related art, so that the manufacturing cost is expensive and the operation is complicated. It is possible to achieve the effect of reducing the manufacturing cost and easy operation.

The pressing portion 31 is formed in a rectangular plate shape that forms an arc shape of a predetermined curvature as a whole, referring to Figure 2, when the detachable portion 3 is coupled to the broach handle 4 to be described later the pressing The part 31 is a state spaced apart from the broach handle 4 by a certain distance, and is configured to allow the user to press the pressing part 31 to closely contact the detachable part 3 to the broach handle 4. The user releases the engagement of the brooch 2 and the detachable part 3 by pressing the pressing part 31 in the coupling relationship and the use relationship of the detachable structure 1 of the brooch and the brooch handle, which will be described below. The broach 2 can be easily separated from the broach handle 4. In addition, when fixing and fixing the brooch 2 to the broach handle 4 to be described later, the brooch 2 can be easily fixed and fixed only by inserting the brooch 2 into the broach handle 4 without any separate operation. have.

The locking portion 32 is a rectangular plate formed by extending a predetermined length at both ends of the pressing portion 31, and includes a locking projection 321, the separation guide surface 322, the insertion guide surface 323, The locking portion 32 is formed in a material and size having elasticity that is opened to the outside when the user presses the pressing portion 31, and is restored to its original form when the external force of the user is removed, for example, plastic or It may be formed of a metal material.

The locking projections 321 are formed in a ')' shape as a whole, protruding in a circular arc of a predetermined diameter inwardly from both locking portions 32 formed on the detachable portion 3, and the brooch 2. The brooch 2 and the brooch handle 4 to be described below are coupled to each other by being inserted into the locking groove 2111 provided in the insertion portion 21 of the broach 2.

Figure 6a is a plan view showing a state in which the user does not press the detachable portion in the use state of the detachable portion coupled to the brooch handle according to the present invention, Figure 6b is a user detachable portion in the use state of the detachable portion coupled to the brooch handle according to the present invention It is a top view which showed the pressurized state.

3 and 5, the separation guide surface 322 is an inclined surface formed by chamfering on one side of the locking protrusion 321, and the user presses the pressing unit 31 without excessive force. By pressing, the locking groove 2111 of the brooch 2 and the locking protrusion 321 of the detachable part 3 are released to separate the brooch 2 from the broach handle 4 to be described below. Make sure Referring to this process in detail with reference to Figures 3, 6a and 6b, when the user presses the pressing portion 31, the pressing portion 31 is in close contact with the broach handle 4 to be described below The locking protrusions 321 formed at both sides of the detachable part 3 are pressed against the broach handle 4 to open and the locking protrusion 321 is separated from the broach handle 4. 322 is a predetermined inclined surface so that the user can easily press the pressing portion 31 to separate the brooch 2 and the broach handle 4 without applying excessive force. In addition, when the user removes the pressure applied to the pressing portion 31, the separation guide surface 322 and the locking projection 321 is returned to its original position by the restoring force of the locking portion 32, the user Recombines the brooch (2) and broach handle (4) by only inserting the broach (2) to the broach handle (4), which will be described later, without additional measures, or by replacing with a broach (2) of a different size. Can be combined.

3 to 5, the insertion guide surface 323 is an inclined surface having a predetermined inclination angle formed by chamfering the upper surface of the locking projection 321, and the insertion portion 21 of the brooch 2. ) Can be easily inserted into the broach handle 4 to be described below, and corresponds to the chamfer 2112 and the auxiliary chamfer 2121 provided in the insertion portion 21. Therefore, when the user inserts the brooch 2 into the brooch handle 4 to be described below, the insertion portion 21 of the brooch 2 is coupled to the brooch handle 4 to the inside. The broach (2) is easily passed through the locking projection 321 of the detachable portion (3) protruding so that the locking projection (321) is inserted into the locking groove (2111) provided in the insertion portion (21). ) And the broach handle 4 can be easily combined.

The release preventing device 33 is formed by extending a predetermined length by bending at a predetermined angle from both ends of the engaging portion 32 (shown in Figure 5), the detachable portion 3 will be described later the brooch When engaged to the handle 4, the release preventing device 33 is caught by the broach handle 4 to prevent the detachable portion 3 from being easily detached from the broach handle 4.

2 to 4, the broach handle 4 includes a gripper 40 which can be used by the operator gripping the brooch 2 on one side, and the detachable part 3 and the brooch on the other side. (2) comprises a coupling portion 41 that can be inserted, coupled, the holding portion 40 is a form that can be easily gripping the procedure to the practitioner in a configuration obvious to those skilled in the art to which the present invention belongs Since it is made of, the detailed description of the gripper 40 configuration will be omitted.

The coupling part 41 is a hollow cylindrical shape which is formed to extend a predetermined length from the end of the gripping part 40 as a whole, and the detachable part 3 is coupled to the brooch 2 by engaging with the brooch 2. 2) and the broach handle (4) can be coupled, separated, and includes a receiving portion 411, removable coupling groove 412.

3 and 4, the receiving portion 411 is a cylindrical groove formed in the coupling portion 41, the insertion portion 21 of the brooch 2 is formed to a size that can be inserted, It includes a rotation preventing groove (4111). On the other hand, according to another embodiment of the present invention, the receiving portion 411 is similar to the body 211 of the inserting portion 21, the inserting portion 21 so that the insertion portion 21 can be more easily inserted and coupled Cylindrical shape extending a predetermined length downward from the upper surface of the 41 and a truncated cone shape reduced in a predetermined inclination angle downward from the extension surface may be formed into a groove, in which case the receiving portion 411 is inserted portion It is preferable that the size of the insertion portion 21 be substantially coincident with the insertion portion 21 so that the insertion portion 21 can be fixed without being shaken.

The anti-rotation groove 4111 is a rectangular plate-shaped groove formed on the bottom surface of the accommodating part 411, and substantially coincides with the anti-rotation port 212 of the insertion part 21 at the bottom of the accommodating part 411. When the broach 2 is combined with the broach handle 4, the broach 2 is broached. By preventing the rotation of the handle 4 to prevent the procedure from failing by the rotation of the brooch 2, the operator can be performed in the correct position. On the other hand, according to another embodiment of the present invention, the anti-rotation groove 4111 is to be formed in another form in addition to the square plate shape as described above if the broach 2 is to prevent from rotating in the broach handle (4). It may be, in this case, is preferably formed in a shape complementary to the anti-rotation port 212 of the brooch (2).

The detachable part coupling groove 412 is formed as a groove which is recessed to a predetermined depth inward along the outer circumferential surface of the coupling part 41, and includes a locking hole 4121, and the insertion part 21 of the brooch 2 is provided. Is inserted into and coupled to the receiving portion 411 of the brooch handle 4, the engaging groove 2111 of the brooch 2 and the engaging protrusion 321 of the detachable portion 3 are engaged and separated by the engaging. The detachable portion 3 is coupled to the detachable portion coupling groove 412 so as to be possible.

The catching hole 4121 is a through hole formed in both side walls of the detachable part coupling groove 412, and the catching protrusion 321 of the detachable part 3 is inserted into the catching hole 4121 to accommodate the receiving part 411. ) And the locking protrusion 321 penetrated through the locking hole 4121 is secured by the locking groove 2111 and the locking groove provided in the insertion part 21 of the brooch 2. Can be combined. 6A and 6B, when the user presses the pressing portion 31 of the detachable portion 3, the locking stones penetrated into the receiving portion 411 through the locking hole 4121. Since the machine 321 is not penetrated into the receiving part 411 by the opening of the catching part 32, the catching protrusion 321 of the catching groove 2111 and the detachable part 3 of the brooch 2 are removed. The latch is released to allow the user to easily separate the brooch 2 and the brooch handle 4. In this case, when the external force applied to the pressing part 31 is removed, the catching part 32 of the detachable part 3 is the receiving protrusion 321 through the catching hole 4121 by the restoring force. Since it is restored to penetrate into the inside, the user recombines the brooch 2 and the broach handle 4 only by inserting the brooch 2 into the receiving portion 411 of the broach handle 4 without any further action. Or by replacing with a broach 2 having a different size.

Meanwhile, another embodiment of the present invention will be described with reference to FIG. 3. The locking hole 4121 may further include a separation induction chamber 4121a, wherein the separation induction chamber 4121a is a detachable coupling groove. An inclined surface formed by chamfering on both sides of the locking hole 4121 formed at 412, and corresponding to the separation guide surface 322 provided at the locking portion 32 of the detachable portion 3. Therefore, by the separation guide surface 322 and the separation guide chamber 4121a, the user can easily press the removable part 3 without using the excessive force on the pressing part 31 of the removable part 3. The broach 2 can be easily separated from the broach handle 4 by bringing the pressing portion 31 into close contact with the detachable portion coupling groove 412 to open the locking portion 32.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the coupling relationship and the use relationship of the detachable structure of the brooch and brooch handle will be described in detail.

3 to 6B, the process of combining the brooch 2 and the brooch handle 4 in the detachable structure 1 of the brooch and the brooch handle,

The detachable portion 3 is coupled to the detachable portion coupling groove 412 of the broach handle 4, and in this case, the catching protrusion 321 of the detachable portion 3 is caught by the detachable portion coupling groove 412. Passes through the ball 4121 to protrude into the receiving portion 411 of the broach handle 4,

In the broach handle 4 and the detachable portion 3 coupled as described above, the insertion portion 21 of the brooch 2 is provided in the receiving portion 411 provided in the engaging portion 41 of the brooch handle 4. In this case, the anti-rotation opening 212 of the brooch 2 is inserted into the anti-rotation groove 4111 of the brooch handle 4 so that the brooch 2 is removed from the brooch handle 4 after the engagement. Prevent rotation,

In addition, by the chamfer 2112 and the auxiliary chamfer 2121 provided on the brooch 2, and the insertion guide surface 323 provided on the detachable portion 3, the user does not apply excessive force to the brooch 2 Insert the insertion portion 21 of the brooch 2 so that the locking projection 321 of the detachable portion 3 is firmly coupled to the locking groove 2111 provided in the insertion portion 21 of the). can do.

On the other hand, according to another embodiment of the present invention, when the insertion portion 21 of the brooch 2 and the receiving portion 411 of the brooch handle 4 is formed to be reduced in a predetermined inclination angle, the user is the brooch ( 2) and the broach handle 4 can be more easily combined. In addition, after the detachable portion 3 and the broach handle 4 are coupled through a process of coupling the detachable portion 3 and the brooch handle 4, the anti-separation opening provided in the detachable portion 3 ( 33 prevents the detachable portion 3 from being detached from the broach handle 4, so that unless the user forcibly detaches the detachable portion 3 from the brooch handle 4, There is no need to repeat the coupling process of the detachable portion 3 and the broach handle 4 as described above. Therefore, the user can perform the process of inserting the brooch 2 into the brooch handle 4 without applying excessive force, thereby making it possible to firmly and easily combine the brooch 2 and the brooch handle 4.

In the detachable structure (1) of the brooch and the broach handle, the brooch (2) is separated from the broach handle (4) when the procedure using the brooch (2) is finished or when the broach (2) needs to be replaced with another broach (2). The process is,

When the user presses the pressing portion 31 of the detachable portion 3 to bring the pressing portion 31 into close contact with the detachable portion coupling groove 412 of the broach handle 4,

As a result, the catching portions 32 formed at both sides of the detachable portion 3 are opened, and the catching protrusions protruding into the receiving portion 411 through the catching holes 4121 of the broach handle 4 are coupled to each other. 321 is separated from the inside of the accommodating portion 411, the locking projection 321 and the locking groove 2111 of the brooch 2, which were coupled by the locking is released,

In this case, the user is excessively driven by the separation induction surface 322 provided in the locking portion 32 of the detachable portion 3 and the separation induction chamber 4121a provided in the locking hole 4121 of the broach handle 4. By pressing the pressing portion 31 without applying a force can be carried out as described above,

After the engagement by the locking groove 2111 of the brooch 2 and the locking protrusion 321 of the detachable part 3 is released, the user grips the brooch 2 from the broach handle 4. It can be easily separated.

In addition, according to another embodiment of the present invention, when the insertion portion 21 of the brooch 2 and the receiving portion 411 of the broach handle 4 are formed at a predetermined inclination angle and the user is the brooch 2 ) Can be more easily separated from the broach handle (4).

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and it is common in the art that various substitutions, modifications, and changes can be made without departing from the technical spirit of the present invention. It will be apparent to those who have knowledge.

The present invention can achieve the following effects by the above-described configuration, coupling relationship and use relationship.

The present invention can be easily coupled only by inserting the brooch into the broach handle, and it is easy to apply the broach and the broach handle to replace the broach having a different size or the broach handle. It can be separated, so it is easy to use.

The present invention is convenient to replace the broach having a different size during the procedure to reduce the time and effort required for broach replacement work, thereby achieving an effect that can shorten the procedure time.

The present invention can implement the detachable structure of the brooch and brooch handle that can be easily detachable while making a solid coupling using a detachable part consisting of only one configuration can reduce the manufacturing cost.

According to the present invention, the brooch and the brooch handle can achieve a firm coupling, and thus, when the surgeon replaces the hip joint, the brooch and the brooch handle are not easily released, so that the operator can stably perform the procedure.

The present invention can easily maintain the coupling between the brooch and the broach handle while easy to combine and detach, and prevent the broach from rotating in the broach handle during the procedure to achieve the effect that the operator can perform a stable procedure in the correct position Can be.

The present invention can be easily replaced in order to use a broach of a suitable size, to enable a stable procedure with a solid coupling to maximize the life of the artificial hip joint, due to the failure of the patient The effect can be prevented from increasing pain.

Claims (10)

Broach used in the hip replacement procedure, a broach handle that can be gripped by the operator, and a detachable portion that can be easily coupled and separated by the brooch by the engagement with the brooch, The detachable part may be coupled to the broach handle, and the press part may be pressurized by the user to release the catch with the brooch, and the brooch and the brooch handle may be separated by the catch with the brooch through the brooch handle. Including a catch to prevent, The broach includes a locking groove corresponding to the locking portion, The broach handle is a detachable device of the brooch and brooch handle, characterized in that it comprises a locking hole for penetrating the locking portion so that the locking portion can be coupled to the brooch by the locking. delete The method of claim 1, wherein the locking portion Detachable device for brooches and brooches, characterized in that it further comprises a separation induction plane so that the engagement with the brooches can be easily released by the user pressure. The method of claim 1, wherein the locking portion Detachable device for brooches and brooches, characterized in that it further comprises an insertion guide drawing for inducing the insertion of the brooches so as to easily engage the brooches. The broach of claim 1, wherein the broach Broach handles and broach handles further comprising a rotation preventing mechanism for preventing rotation when coupled with the broach handle, characterized in that the broach handle further comprises a rotation preventing groove for accommodating the rotation prevention tool. Detachable device The method of claim 5, wherein the anti-rotation tool Detachable device of the broach and broach handle further comprises an auxiliary chamfer so that it can be easily inserted into the rotation preventing groove. The broach of claim 1, wherein the broach The broach handle is characterized in that it is tapered and formed in the direction to be inserted into the broach handle so that it can be easily inserted and coupled to the broach handle, the brooch handle is characterized in that the brooch handle is tapered and formed Detachable device 5. The broach of claim 4, wherein the broach Detachable device of the brooch and broach handle further comprises a chamfer corresponding to the insertion guide surface of the locking portion to be easily coupled by the locking portion and the locking portion. delete The broach handle of claim 1, wherein the broach handle Desorption unit of the broach handle and broach handle, characterized in that it comprises a detachable portion coupling groove coupled to the detachable portion, wherein the detachable portion further comprises a release prevention for preventing the detachment from the detachable portion coupling groove.

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