KR101679754B1 - Device for positioning Gigli saw - Google Patents

Device for positioning Gigli saw Download PDF

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Publication number
KR101679754B1
KR101679754B1 KR1020150016096A KR20150016096A KR101679754B1 KR 101679754 B1 KR101679754 B1 KR 101679754B1 KR 1020150016096 A KR1020150016096 A KR 1020150016096A KR 20150016096 A KR20150016096 A KR 20150016096A KR 101679754 B1 KR101679754 B1 KR 101679754B1
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KR
South Korea
Prior art keywords
guide
bone
handle
implant member
distal end
Prior art date
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KR1020150016096A
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Korean (ko)
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KR20160094718A (en
Inventor
조우신
김석주
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주식회사 코렌텍
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Priority to KR1020150016096A priority Critical patent/KR101679754B1/en
Priority to PCT/KR2016/000870 priority patent/WO2016126043A1/en
Publication of KR20160094718A publication Critical patent/KR20160094718A/en
Application granted granted Critical
Publication of KR101679754B1 publication Critical patent/KR101679754B1/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/14—Surgical saws ; Accessories therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/14—Surgical saws ; Accessories therefor
    • A61B17/15—Guides therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/14—Surgical saws ; Accessories therefor
    • A61B17/15—Guides therefor
    • A61B17/154—Guides therefor for preparing bone for knee prosthesis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/14—Surgical saws ; Accessories therefor
    • A61B17/15—Guides therefor
    • A61B17/154—Guides therefor for preparing bone for knee prosthesis
    • A61B17/158—Cutting patella
    • A61B2017/145—

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Dentistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Transplantation (AREA)
  • Surgical Instruments (AREA)
  • Prostheses (AREA)

Abstract

More particularly, the present invention relates to a gripper positioning mechanism which is elongated in a thickness that can be gripped by a hand, an extended portion extending from the handle portion, And a fixing part formed to extend from the distal end of the guide part so as to be inclined downwardly and sharpened so that the distal end of the fixing part is sharpened so that the sharp end of the fixing part is pierced and fixed between the bone and the implant member, The initial cutting position can be easily set by sliding the saw through the guide portion to the fixed portion and the initial cutting position can be easily set and the implant can be easily removed from the bone, The present invention relates to a positioning mechanism for positioning an object.

Description

Device for positioning Gigli saw}

More particularly, the present invention relates to a gripper positioning mechanism which is elongated in a thickness that can be gripped by a hand, an extended portion extending from the handle portion, And a fixing part formed to extend from the distal end of the guide part so as to be inclined downwardly and sharpened so that the distal end of the fixing part is sharpened so that the sharp end of the fixing part is pierced and fixed between the bone and the implant member, The initial cutting position can be easily set by sliding the saw through the guide portion to the fixed portion and the initial cutting position can be easily set and the implant can be easily removed from the bone, The present invention relates to a positioning mechanism for positioning an object.

Degenerative knee arthritis is a disease in which degenerative changes occur in the knee joints as the articular cartilage is worn out. In recent years, total knee arthroplasty, in which the joint surface of a severely worn and broken old joint, which causes pain, is shaved and replaced with an artificial joint It is widely practiced. Referring to Fig. 1, the tibia 1 and the femur 3 are cut off and the tibia member 2 and the femur member 4 are inserted into the joint surface Z as an insert.

Total knee arthroplasty (TKA) is rapidly progressing due to improvements in the tibial component (2) and femoral component (4) and the development of surgical techniques. However, complications such as loosening, fracture, instability, infection, and polyethylene wear of the tibia member 2 and the femoral member 4 are also increased, and the frequency of revision of the knee replacement for replacing the existing artificial joint with a new artificial joint is also increasing . However, it has been reported that the revision of the knee arthroplasty is performed again after removal of the substitute. However, it is reported that removal of the existing substitute removes a wide range of bone defects and the risk of infection is higher than that of the total knee arthroplasty.

(Patent document) Patent No. 10-2014-0010864 (published on Apr. 27, 2014) "

The patent document relates to a part kit for use in a total knee arthroplasty, which is provided with a drill guide for cutting a part of a femur and a tibia and for easily drilling a hole for engagement in a process of inserting an implant member.

As in the above-mentioned patent document, a technique such as cutting a part of a bone or drilling a hole in the first implantation process has been sufficiently developed. However, in the case of a secondary implantation procedure in which an implant member such as the above- There is a problem that a lot of technology development is not performed.

Especially, in order to perform knee arthroplasty, the existing artificial joint should be removed. Since the medial part of the tibial member 2 is open when the tibial component is removed, the medial part of the tibial member 2 can be easily removed using a mechanism such as a saw, (lateral) is used in the Giglio saw 5 shown in FIG. 2 in order to avoid damaging the soft tissues around the skin. The giggle saw (5) is a medical saw that is used to grip a giggle saw wire (51) with a paper grip handle (53), and is mainly used for cutting a bone.

The tibial bone member 2 is separated from the outer side of the tibia 1 by cutting the bone by pulling the saw handle 53 on the outer side of the tibia 1 while pulling the saw handle 53 alternately. However, as shown in FIG. 3, the bones are grown on the side of the tibia member 2, so that the jiggle saw 5 can not be inserted into the contact surface between the tibia member 2 and the tibia 1, Resulting in damage to soft tissues and extensive bone loss.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems,

It is an object of the present invention to provide a grip positioning mechanism capable of easily grasping an initial cutting position between a bone and an implant member by extending the guide portion to be inclined from the distal end of the grip portion to allow the grip tooth to slide down along the guide portion .

Another object of the present invention is to provide a guide mechanism for positioning the guide member so as to prevent the guide member from separating from the initial cutting position and preventing the guide member from being repelled.

It is a further object of the present invention to provide a guide mechanism for positioning the guide portion in such a manner that the guide portion is elongated in thickness from the grip portion to be easily inserted into a narrow gap between the bone and the implant member.

It is a further object of the present invention to provide a positioning mechanism that can be inserted into a precise position between a bone and an implant member by narrowing and extending from the distal end of the guide to sharpen the tip will be.

It is still another object of the present invention to provide a guide mechanism for positioning the fixture so that the bone defect can be minimized by extending the fixture so as to be inclined from the distal end of the guide portion.

It is a further object of the present invention to provide a guide mechanism for positioning the grip portion so that the grip portion can be easily shaped by reducing the overall weight of the grip portion.

It is a further object of the present invention to provide a guide mechanism for positioning the guide so that a user can easily control a user's fingers by forming a long groove in the grip portion.

It is a further object of the present invention to provide a positioning mechanism for positioning the grip portion so that the grip portion is formed to be curved in the longitudinal direction and is closely contacted with the palm of the user and is supported by the stabilizer for easy control by the user.

It is a further object of the present invention to provide an implant device having a guide portion extending from an end of a handle to be inclined and having a fixed portion inclined from a distal end of the guide portion so as to have a generally curved shape so that the implant member and the curved surface are closely contacted, And which can be inserted into an initial cutting position that can be minimized.

Yet another object of the present invention is to provide a method of implanting an implant into a sharpened end of a fixation part at a precise position between a bone and an implant member and slid down the fixation part by hooking a guide to the guide part, Thereby facilitating removal of the implant member from the bone in a short period of time.

The objects of the present invention are not limited to the above-mentioned objects, and other objects of the present invention which are not mentioned can be understood by the following description and can be more clearly understood by the embodiments of the present invention. Further, the objects of the present invention can be realized by the means shown in the claims and their combinations.

In order to achieve the above-mentioned object of the present invention,

The positioning unit may include a handle formed to be elongated in a length that can be held by the hand, a guide unit extended from the distal end of the handle unit to be inclined downward, And the fixture is inserted between the bone and the implant member, and the initial cutting position can be easily set because the guide is slid down to the fixing portion.

In the positioning device according to an embodiment of the present invention, the fixing portion may be formed so as to have a sharp edge so that the sharp end of the fixing portion can be easily inserted between the bone and the implant member .

In the gingival locator according to the embodiment of the present invention, the fixing portion may be formed to extend from the guide portion and be narrowed to have a sharp end so that the bone can easily be pinched between the bone and the implant member .

In the positioning apparatus according to an embodiment of the present invention, the fixing portion is formed so as to extend from the distal end of the guide portion in the same direction as the inclination direction of the guide portion, inclined at an angle larger than that of the guide portion, The present invention is characterized in that the paper can be positioned at an initial cutting position where bone defect is less than when the paper is extended.

In the positioning device according to an embodiment of the present invention, the handle is curved in the longitudinal direction so that the handle is stably supported by the user's palm, and the finger is elongated in the longitudinal direction, The user can easily grasp the handle by placing a finger on the groove including the groove having a width so that the user can easily control the grip.

According to one embodiment of the present invention

The guide portion is thinned and extended from the distal end of the handle to be easily inserted into a narrow gap between the bone and the implant member.

The gingival locating mechanism according to an embodiment of the present invention further includes an extension extending from the distal end of the handle to the upper end of the guide so that a sufficient length can be secured when inserted between the bone and the implant member .

The present invention can obtain the following effects by the above-described embodiment, the constitution described below, the combination, and the use relationship.

The present invention provides a grip positioning mechanism that can extend the guide portion to be inclined from the distal end of the grip portion so that the gripper slides down along the guide portion to easily hold the initial cutting position between the bone and the implant member It is effective.

The present invention has an effect of providing a guide mechanism for positioning the guide member so as to prevent the soft tissue around the bone from being damaged by preventing the guide member from being detached from the initial cutting position and being repelled.

The present invention has the effect of providing a guide positioning mechanism which can be inserted into a narrow gap between a bone and an implant member by extending the guide part from the handle to a thinner thickness.

According to the present invention, there is provided an insertion tool positioning mechanism which can be inserted at a precise position by digging between a bone and an implant member by forming a fixing part having a narrow width from the distal end of the guide part and forming a sharp end.

According to the present invention, there is provided an apparatus for positioning a bone graft which is capable of minimizing bone defect by extending the fixed portion to be inclined from the distal end of the guide portion.

The present invention has an effect of providing a gripper positioning mechanism that allows the user to easily control the grip portion by reducing the overall weight by making the inside of the grip portion hollow.

According to the present invention, there is provided an apparatus and method for locating a position of a grid which can be easily controlled by a user by forming a groove having a long length in the handle portion so that a user's finger can be supported in the groove.

The present invention has an effect of providing a positioning mechanism which can be easily controlled by a user by forming the handle to be curved in the longitudinal direction and being in close contact with the palm of the user and being supported by a stabilizer.

According to the present invention, the guiding portion is inclined from the distal end of the handle, and the fixing portion is inclined from the distal end of the guiding portion to form a curved shape as a whole so that the implant member and the curved surface are pressed tightly to minimize bone defect There is an effect of providing a tool positioning mechanism which can be inserted at an initial cutting position.

The present invention is based on the idea that an initial cutting position can be easily set by inserting a sharp end of a fixing part into a precise position between a bone and an implant member, There is an effect that it is possible to provide a positioning mechanism for assisting a member to be easily removed in a short time.

1 is a flow chart for explaining total knee arthroplasty
FIG. 2 is a cross-sectional view illustrating a method of using a gingival suture when performing conventional knee arthroplasty
3 is a cross-sectional view taken along the line aa in Fig. 2
4 is a perspective view of the positioning apparatus of the present invention.
5 is a cross-sectional view taken along the line bb in Fig. 4
6 is a reference view for explaining the fixing portion shown in Fig. 4
FIG. 7 is a view for explaining a method of using the positioning mechanism of the present invention

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The embodiments of the present invention can be modified in various forms, and the scope of the present invention should not be construed as being limited to the following embodiments. This embodiment is provided to more fully describe the present invention to those skilled in the art. Thus, the shape of the elements in the figures has been exaggerated to emphasize a clearer description.

Referring to FIG. 4, the positioning apparatus 6 of the present invention includes a grip portion 61 formed to be elongated in a thickness that can be held by the hand, an extension portion 63 extending from the grip portion 61, A guide part 65 extending from the distal end of the extended part 63 so as to be inclined downwardly while being thinned and a guide part 65 formed to extend from the distal end of the guide part 65 so as to be inclined downward, The distal end of the fixation member 67 is inserted into and fixed between the bone 1 and the implant member 2 at the sharp end of the fixation portion 67, And the initial cutting position can be easily set by slipping down toward the fixing portion 67. [

The handle 61 is long and thick enough to be grasped by hand, and may have a predetermined shape, but preferably a vertically elongated rectangular parallelepiped or cylindrical shape. The user can grip the grip portion 61 and control the gripper positioning mechanism 6 to move in a desired direction. Since the guide mechanism 6 is a surgical instrument, it can be easily controlled to a desired direction and position. Therefore, the handle 61 may include the following components.

The handle 61 may include a groove 611 which is long in the longitudinal direction. The grooves 611 are formed to have a width allowing the user's fingers to be inserted, so that the user can easily control the gripper positioning mechanism 6 by holding his / her fingers in the grooves 611 .

The handle 61 may be curved in the longitudinal direction. Therefore, it is stably supported by being in close contact with the palm of the user, so that the user can easily control it.

The extension part (63) extends from the distal end of the handle part (61). The length of the extended portion 63 can be variously varied to provide a positioning mechanism 6 suitable for the surgical environment. For example, in the case where a precise operation is required, it is possible to select that the paper positioning mechanism 6 is short and can be finely manipulated. If there is an obstacle, the paper positioning mechanism 6 is long, You can choose to be inserted without being interrupted.

The guide portion 65 is formed to extend downward from the distal end of the extension portion 63. For example, as shown in FIG. 5, it is formed so as to be inclined downward with a slope of? 1 with respect to the extending portion 63. However, since the guide member slides down naturally along the guide portion, the angle? 1 is preferably less than 90 degrees. Therefore, the gingiva 5 can be smoothly slid down along the guide portion 65 to easily hold the initial cutting position of the bone between the bone 1 and the implant member 2.

Since the guide portion 65 is used by hooking the guide wire portion 51 to the guide portion 65, the guide portion 65 prevents the guide portion 65 from being dislocated and being repelled during operation, Can be prevented.

The guide portion 65 is extended from the distal end of the extended portion 63 while being thinned. Therefore, the guide mechanism 6 can be easily inserted into the narrow gap between the bone 1 and the implant member 2.

The fixing portion 67 extends from the guide portion 65 and is formed to be sharp as shown in FIG. Therefore, it can be easily inserted and fixed at the correct position by digging between the bone and the implant member.

The fixing portion 67 extends from the guide portion 65 and is narrowed to have a sharp end. Therefore, the bone can easily be pinched between the implant member.

The fixing portion 67 may be formed to be inclined downward from the distal end of the guide portion 65 with an inclination angle larger than that of the guide portion 65 in the same direction as the inclination direction of the guide portion 65. For example, as shown in FIG. 5, the guide portion 65 may be inclined downward from the distal end of the guide portion 65 with an inclination angle? 2 larger than? 1 with respect to the extending portion 63. Therefore, it is possible to minimize the bone defects that may occur during surgery such as knee arthroplasty. Since the guide 5 is slid down by the guide 65, an initial cutting position is formed at the end of the fixing portion 67. [ Therefore, as shown in FIG. 6, when the cutting face A when the fixing portion 67 is inclined from the guide portion 65 is compared with the cutting face B when the fixing portion 67 is not inclined, The bone defect of C does not occur. Therefore, the amount of bone defect can be minimized during the operation of revision knee arthroplasty.

Hereinafter, the process of removing the tibia member 2 inserted into the tibia 1 using the positioning device 6 will be described with reference to Fig.

(a) The gripper positioning mechanism 6 is fixed to the contact surface between the tibia 1 and the tibia member 2 by inserting the fixing portion 67 therein.

(b) additionally inserts a number of said ground positioning mechanisms (6).

(c) hooking the gigragus wire 51 in such a manner as to surround the plurality of paper grid positioning mechanisms 6 and connecting the paper grip handle 53 to the paper grid wire 51, The grasping wire 51 is pulled up so as to be pulled down along the guide portion 65 and the grasping wire 51 is positioned at the end of the fixing portion 67 to determine an initial cutting position . The grip handle 53 is alternately pulled to cut the tibia 1 to remove the tibia member 2.

The positioning mechanism 6 of the present invention is provided with a handle 61, an extension 63 extending from the handle 61, and an extension 63 extending from the extension 63, And a fixing part 67 formed to extend from the guide part 65 and having a narrow end and inclined downwardly and formed with a sharp end so that the sharp end of the fixing part 67 1 and the implant member 2 so that the initial cutting position can be easily set by sliding the guide member 65 downward toward the fixing member 67 The implant 2 can be easily removed from the bone 1 by preventing the gingiva 5 from being detached from the initial cutting position, thereby increasing the success rate of the operation.

The foregoing detailed description is illustrative of the present invention. In addition, the foregoing is intended to illustrate and explain the preferred embodiments of the present invention, and the present invention may be used in various other combinations, modifications, and environments. That is, it is possible to make changes or modifications within the scope of the concept of the invention disclosed in this specification, within the scope of the disclosure, and / or within the skill and knowledge of the art. The embodiments described herein are intended to illustrate the best mode for implementing the technical idea of the present invention and various modifications required for specific applications and uses of the present invention are also possible. Accordingly, the detailed description of the invention is not intended to limit the invention to the disclosed embodiments. It is also to be understood that the appended claims are intended to cover such other embodiments.

1: tibia 2: tibia member 3: femur 4: femur member
5: GigliSo 51: GigliSo Wire 53: Giglioso Handle
6: Gripper positioning mechanism 61: Handle portion 63: Extension portion 65: Guide portion 67: Fixing portion 611: Groove

Claims (8)

And a fixing unit extending from the distal end of the guide unit and extending between the bone and the implant member, wherein the guide unit includes a guide part extending downward from the distal end of the handle,
And the initial cutting position can be easily set because the giglass saw slides down to the fixed portion over the guide portion. The method according to claim 1,
Wherein the fixation portion is formed so as to have a sharp edge so that a sharp end of the fixation portion can be inserted between the bone and the implant member and can be easily fixed. The method according to claim 1,
Wherein the fixing portion is formed to extend from the guide portion and has a narrow width and a sharp end so that the bone can easily be pinched between the bone and the implant member. 4. The method according to any one of claims 1 to 3,
The fixing portion is formed to extend from the distal end of the guide portion in the same direction as the inclination direction of the guide portion to have an inclination angle larger than that of the guide portion and inclined downwardly, Wherein the grip is positionable. 5. The method of claim 4,
The grip portion is curved in the longitudinal direction so as to be stably supported on the palm of the user and is stably supported. The grip portion includes a groove having a width that is long in the longitudinal direction and can enter the user's finger, And the grip portion can be gripped so that the user can easily control the grip portion. 5. The method of claim 4,
Wherein the guide portion is thinned and extended from the distal end of the handle to be easily inserted into a narrow gap between the bone and the implant member. 4. The method according to any one of claims 1 to 3,
Wherein the guide mechanism further comprises an extension extending from an end of the handle to an upper end of the guide to ensure a sufficient length when inserted between the bone and the implant member. Saw positioning mechanism. 5. The method of claim 4,
Wherein the guide mechanism further comprises an extension extending from an end of the handle to an upper end of the guide to ensure a sufficient length when inserted between the bone and the implant member. Saw positioning mechanism.

KR1020150016096A 2015-02-02 2015-02-02 Device for positioning Gigli saw KR101679754B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020150016096A KR101679754B1 (en) 2015-02-02 2015-02-02 Device for positioning Gigli saw
PCT/KR2016/000870 WO2016126043A1 (en) 2015-02-02 2016-01-27 Gigli saw position-determining device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150016096A KR101679754B1 (en) 2015-02-02 2015-02-02 Device for positioning Gigli saw

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KR20160094718A KR20160094718A (en) 2016-08-10
KR101679754B1 true KR101679754B1 (en) 2016-11-25

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WO (1) WO2016126043A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108477280A (en) * 2018-05-29 2018-09-04 安徽夏星食品有限公司 Adjustable saw block assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201019797Y (en) 2007-03-05 2008-02-13 辛振学 Wire saw guide
CN203153856U (en) 2013-04-11 2013-08-28 复旦大学附属中山医院 Wire saw guider used during spinal tumor total resection surgery
CN203424989U (en) 2013-07-08 2014-02-12 北京大学第三医院 Wire saw guiding device for spinal tumor laminectomy
US8696677B2 (en) 2012-02-13 2014-04-15 DePuy Synthes Products, LLC Orthopaedic surgical saw assembly for removing an implanted glenoid component and method of using the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201006590D0 (en) * 2010-04-20 2010-06-02 Goodfellow John Unicondylar knee replacement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201019797Y (en) 2007-03-05 2008-02-13 辛振学 Wire saw guide
US8696677B2 (en) 2012-02-13 2014-04-15 DePuy Synthes Products, LLC Orthopaedic surgical saw assembly for removing an implanted glenoid component and method of using the same
CN203153856U (en) 2013-04-11 2013-08-28 复旦大学附属中山医院 Wire saw guider used during spinal tumor total resection surgery
CN203424989U (en) 2013-07-08 2014-02-12 北京大学第三医院 Wire saw guiding device for spinal tumor laminectomy

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WO2016126043A1 (en) 2016-08-11
KR20160094718A (en) 2016-08-10

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