KR101800238B1 - Implant for fixing the bone - Google Patents

Implant for fixing the bone Download PDF

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Publication number
KR101800238B1
KR101800238B1 KR1020160025087A KR20160025087A KR101800238B1 KR 101800238 B1 KR101800238 B1 KR 101800238B1 KR 1020160025087 A KR1020160025087 A KR 1020160025087A KR 20160025087 A KR20160025087 A KR 20160025087A KR 101800238 B1 KR101800238 B1 KR 101800238B1
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KR
South Korea
Prior art keywords
wire
bone
groove
fixing
support
Prior art date
Application number
KR1020160025087A
Other languages
Korean (ko)
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KR20170102675A (en
Inventor
신중원
이수철
Original Assignee
주식회사 지에스엠티
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Publication date
Application filed by 주식회사 지에스엠티 filed Critical 주식회사 지에스엠티
Priority to KR1020160025087A priority Critical patent/KR101800238B1/en
Priority to PCT/KR2017/000907 priority patent/WO2017150809A1/en
Publication of KR20170102675A publication Critical patent/KR20170102675A/en
Application granted granted Critical
Publication of KR101800238B1 publication Critical patent/KR101800238B1/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
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8023—Variable length plates adjustable in both directions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/842—Flexible wires, bands or straps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/844—Fasteners therefor or fasteners being internal fixation devices with expandable anchors or anchors having movable parts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30721—Accessories

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

Abstract

The present invention relates to an implant for bone fixation, which can be performed at an accurate position even if there is a difference in the procedure position of the wire to be performed to wrap the fractured bone.
The present invention includes a body 100 having fixing holes 110 penetrating in the up and down direction at regular intervals and having support grooves 120 formed on both sides of the upper surface at regular intervals; A pair of through holes 220 penetrating both side surfaces are formed and a wire 300 inserted into the through groove 220 is supported by a support protrusion 210 which is detachably fastened to the support groove 120 at a lower portion. And a movable wire fixing body (200).

Description

Implant for fixing the bone < RTI ID = 0.0 >

The present invention relates to an implant for bone fixation, which can be performed at an accurate position even if there is a difference in the procedure position of the wire to be performed to wrap the fractured bone.

Today, when a bone fracture occurs, a bone plate that fixes or screws with a wire to fix the osteotomy site is used, or a wire and a bone plate are used together.

However, in the case of using a wire to fix a fractured bone, there is a problem that the wire is out of position during a procedure of winding the wire around the bone, and there is a problem that the wire is loosened or moved over time.

In the case of using a bone plate, it is necessary to use a screw or the like in the bone to fix the bone plate, but the bone plate can not be used when the bone is weak.

In addition, even if the wire and the bone plate are used at the same time, there is still a problem that the wire can not be installed in a necessary position or the wire is loosened after the operation.

Korean Registered Utility Model No. 20-0476228 (Feb.

The object of the present invention is to provide an implant for bone fixation that can be performed at a precise position even if there is a difference in the procedure position of the wire to be performed to wrap the fractured bone.

Another object of the present invention is to provide a bone fixation implant which can form a tightening protrusion in a through-hole of a wire fixing body for fixing a wire during a wire operation, thereby preventing the wire from being loosened.

Another object of the present invention is to provide a wire fixing apparatus for forming a cut portion extending from an upper portion of a wire fixing body for fixing a wire to a through hole at the time of a wire operation so that the through hole of the wire fixing body can be pressed And an implant for bone fixation.

Another object of the present invention is to provide a bone fixation implant capable of adjusting the size and spacing of the body part d so that it can be used for various bone sizes.

The bone fixation implant according to the present invention includes a body 100 having fixing holes 110 penetrating in the up and down direction at regular intervals and having support grooves 120 formed on both sides of the upper surface at regular intervals, ; A pair of through holes 220 penetrating through both sides are formed and a wire 300 inserted into the through hole 220 is supported by a support protrusion 210 which is detachably fastened to the support groove 120 at a lower portion. And a movable wire fixing body (200).

Preferably, the support groove 120 and the fastening protrusion 210 are cylindrically shaped.

A support 130 protruding upward to support the outer surface of the movable wire fixing body 200 is formed on the outer side of the support groove 120 on the upper surface of the body 100.

Preferably, the movable wire fixing body 200 is formed with a contact protrusion 230 protruding from the surface of the through hole 220.

Preferably, the movable wire fixture 200 is formed with a cutout 240 extending from the upper surface to the through-hole 220.

Preferably, the first and second bodies 100-1 and 100-2 are made up of a first body 100-1 and a second body 100-2, A groove 150 is formed on the outer surface of the first body 100-1 and a through groove 160 extending to the insertion groove 150 is formed on the outer surface of the second body 100-2. A connection part 170 protruding outward from a position corresponding to the insertion groove 150 is formed in the connection part 170 and a gap adjusting groove 180 is formed at a predetermined interval in the connection part 170.

Preferably, the protection cap 310 is fastened to the end of the wire 300 to prevent the sharpened wire strands from being exposed when the cut wire is loosened.

According to this bone fixation implant, since the position of the procedure of the wire to be wrapped around the fractured bone can be adjusted, there is an effect that the wire can be inserted at the correct position.

In addition, there is an effect that it is possible to prevent the wires, which have been formed by the contact protrusions, from being loosened in the through holes of the wire fixing body.

Further, there is an effect that the through hole of the wire fixing body can be pressed against the wire even with a small pressure by the cut portion extending from the upper portion of the wire fixing body to the through hole.

In addition, since the positions of the bones can be adjusted in the intervals, there is an effect that can be used for various bone sizes.

FIG. 1A is a front perspective view of a bone fixation implant according to a first embodiment of the present invention; FIG.
FIG. 1B is a rear perspective view of a bone fixation implant according to a first embodiment of the present invention; FIG.
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]
3 is an illustration of an example of a wire fixture formed with a contact protrusion according to an embodiment of the present invention.
Figure 4 is an illustration of a wire fixture with a cutout in accordance with one embodiment of the present invention.
FIG. 5 is a view showing the use state of the bone fixation implant according to the present invention. FIG.
6 is a front perspective view of a bone fixation implant according to a second embodiment of the present invention;

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a bone fixation implant according to the present invention will be described with reference to the accompanying drawings.

1 to 4, a bone fixation implant according to a first embodiment of the present invention includes a body 100 to be brought into contact with a longitudinal direction of one side of a bone; And a movable wire fixing body (200) detachably mounted on the upper end of the body part (100). The wire 300 further includes a wire 300 fastened to the mobile wire fixing body 200 while being wrapped around the bone.

The body 100 has fixing holes 110 formed in a predetermined length and extending in the lengthwise direction and penetrating in the up and down direction at predetermined intervals, and support grooves 110 formed on both sides of the upper surface at regular intervals 120 are formed. At this time, the support groove 120 is preferably a cylindrical groove.

The body 100 may be made of titanium or titanium alloy and may be formed to a thickness of about 1 to 3 cm in order to prevent the body 100 from being easily deformed by an impact during the procedure. In addition, it is preferable that the lower surface of the body 100 is formed in a round shape so that both ends thereof are in close contact with the surface of the bone. The body 100 is placed so as to be wrapped around the bone with the wire in a state of being in contact with the surface of the bone in the longitudinal direction, or is directly fixed to the bone through the fixing hole 110 with a fixing pin.

Meanwhile, the movable wire fixing body 200 is formed in a tetrahedron with a fastening protrusion 210 detachably fastened to the support groove 120 at a lower portion thereof, and a pair of through holes 220 penetrating both sides thereof are formed. At this time, when the support groove 120 is a cylindrical groove, it is preferable that the fastening protrusion 210 is also formed in a cylindrical shape. It is preferable that four of these fastening protrusions 210 are formed.

A supporting portion 130 protruding upward to support the outer surface of the movable wire fixing body 200 is formed on the outer side of the supporting groove 120 on the upper surface of the body 100. At this time, it is preferable that the support part 130 is integrally formed in the longitudinal direction.

As shown in FIG. 2, the movable wire fixing body 200 is fastened to the support groove 120 corresponding to the position where the wire is installed at the time of performing the wire, so that the wire can be accurately installed. Since the support portion 130 is in close contact with the outer surface of the movable wire fixing body 200, even when the wire inserted into the through hole 220 of the movable wire fixing body is pulled during the wire operation, the movable wire fixing body 200 Can be prevented from moving.

3, the movable wire fixing body 200 is formed with a contact protrusion 230 protruding from the surface of the through hole 220. As shown in FIG. At this time, although the contact protrusions 230 are preferably formed on the right and left surfaces of the through holes 220, they may be uniformly formed on the entire surface. In addition, the contact protrusions 230 are preferably formed in a wedge shape that is inclined in one direction in order to restrict movement of the wires 300 to be reversed in the reverse direction. The wire 300 is inserted into the through hole 220 of the movable wire fixing body 200 and then the movable wire fixing body 200 is compressed by the forceps or the like so that the through hole 220 is also crushed, 230 are tightly fixed to the wire 300.

4, the movable wire fixing body 200 is formed with a cutout portion 240 extending from the upper surface to the through-hole 220. As shown in FIG. Accordingly, if the movable wire fixing body 200 is compressed by a forceps after the wire 300 is inserted into the through hole 220 of the movable wire fixing body 200, the movable wire fixing body 200 can be easily compressed with a small force, 220 can be collapsed.

Referring to FIG. 5, in the procedure of the bone fixation implant of the present invention, first, the body 100 is positioned at a site where reinforcement is required in the injured bone. At this time, it is preferable that the body 100 is fastened to the fixing hole 110 by fixing means such as a pin so as not to move.

The fastening protrusion 210 of the movable wire fixing body 200 is inserted into the support groove 120 of the body 100 corresponding to the position where the wire 300 is to be inserted in a state in which the body 100 is in close contact, . Thereafter, the wire 300 is inserted into one through hole 220 formed in the movable wire fixing body 200, the bone is wrapped and then inserted into the neighboring through hole 220, Pull both ends to firmly close it and finish with cutting both ends. At this time, it is preferable to attach a protective cover to the outer side of the wire 300 that is in close contact with the bone to prevent the wire 300 from being damaged due to contact with the bone.

When the upper end of the movable wire fixing body 200 is compressed by a clamp or the like in order to prevent the wire 300 from being unwound, the upper side and the side surface of the wire 300 are collapsed and the inside of the through hole 220 is tightly attached to the wire 300. In this case, if the cut portion 240 extending from the upper surface of the movable wire fixing body 200 to the through hole 220 is formed, the through hole 220 can be easily attached to the wire 300 . When the protrusion 230 protrudes from the surface of the through hole 220, the protrusion 230 is inserted into the surface of the wire 300 during compression, thereby preventing the wire 300 from being pushed backward .

Meanwhile, it is preferable that the protection cap 310 is fastened to the end of the wire 300 to prevent the sharpened wire strands from being exposed when the cut wire is loosened. The protection cap 310 can prevent the wire from being exposed to the strand, and can be in close contact with the through hole 220 when the wire is unwound, and can act as a stopper.

Meanwhile, as shown in FIG. 6, the bone fixation implant according to the second embodiment of the present invention includes a body 100 to be brought into contact with the bone in one longitudinal direction; And a movable wire fixing body 200 detachably mounted on the body 100. The body 100 includes a first body part and a second body part and is detachably coupled. At this time, the features of the fixing hole 110, the support groove 120, the support 130, and the movable wire fixing body 200 formed in the first body part and the second body part are the same as those of the bone fixing implant of the first embodiment Therefore, a description thereof will be omitted.

The first body 100-1 and the second body 100-2 are formed with insertion grooves 150 on the upper surface and through grooves 160 formed on the outer surface of the first body 100-1 and the second body 100-2. . At this time, it is preferable that the insertion groove 150 and the penetration groove 160 are formed at both ends of the lower end portion so as not to overlap the fixing hole 110 of the body portion.

The first body part 100-1 and the second body part 100-2 have a connecting part 170 protruding outward at a position corresponding to the insertion groove 150 on the lower surface thereof, The interval adjusting grooves 180 are formed at regular intervals. At this time, the insertion groove 150 and the connection part 170 may be formed in various shapes such as a cylindrical shape or a tetrahedron shape, and they may be installed in two, four, or the like.

The connection part 170 of the first body part 100-1 is inserted into the insertion groove 150 of the second body part 100-2 and the space adjusting groove of the second body part 100-2 180 is fitted into the through groove 160 of the first body part 100-1 and then the adjusting screw 190 is inserted into the through groove 160 and fixed to the interval adjusting groove 180, The first body 100-1 and the second body 100-2 are integrally fastened together to extend the length of the body.

While the connecting portion 170 of the first body 100-1 is inserted into the insertion groove 150 of the second body 100-2, the first body 100-1 and the second body 100-2 100-2 can be adjusted by adjusting the distance between the first body 100-1 and the second body 100-2 by adjusting the distance between the first body 100-1 and the second body 100-2, The wire can be precisely processed by the connection alone.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Various modifications and variations are possible within the scope of the appended claims.

100: body portion 110: fixing hole
120: support groove 130: support
200: movable wire fixing body 210: fastening projection
220: through hole 230: close contact projection
240: incision part 300: wire
310: Protective cap

Claims (8)

A body 100 having fixing holes 110 penetrating in the vertical direction at regular intervals and having support grooves 120 formed on both sides of the upper surface at regular intervals;
A pair of through holes 220 penetrating through both sides are formed and a wire 300 inserted into the through hole 220 is supported by a support protrusion 210 which is detachably fastened to the support groove 120 at a lower portion thereof, And a movable wire fixing body (200) for fixing the bone. The implant for bone fixation according to claim 1, wherein the back surface of the body part (100) is formed in a round shape such that both ends thereof are in close contact with the surface of the bone. The bone fixation implant according to claim 1, wherein the support groove (120) and the fastening protrusion (210) are cylindrical. 2. The wire fixing apparatus according to claim 1, wherein a support portion (130) protruding upward from an upper surface of the body portion (100) and supporting the outer surface of the movable wire fixing body (200) Fixed implant. The bone fixation implant according to claim 1, wherein the movable wire fixing body (200) has a protrusion (230) protruding from the surface of the through hole (220). The bone fixation implant of claim 1, wherein the movable wire fixture (200) has a cutout (240) extending from the top surface to the through hole (220). [3] The apparatus of claim 1, wherein the first body part (100-1) and the second body part (100-2)
An insertion groove 150 is formed on the upper surface of the first body 100-1 and the second body 100-2 and a through groove 160 extending to the insertion groove 150 is formed on the outer side of the body 100-1. And,
A connecting portion 170 protruding outward from a position corresponding to the insertion groove 150 is formed on the lower surface of the first body 100-1 and the second body 100-2, And an interval adjusting groove (180) is formed at regular intervals. The bone fixation implant according to claim 1, wherein the protection cap (310) is fastened to an end of the wire (300) to prevent the wire strands from being exposed when the cut wire is loosened.
KR1020160025087A 2016-03-02 2016-03-02 Implant for fixing the bone KR101800238B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020160025087A KR101800238B1 (en) 2016-03-02 2016-03-02 Implant for fixing the bone
PCT/KR2017/000907 WO2017150809A1 (en) 2016-03-02 2017-01-25 Bone fixing implant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160025087A KR101800238B1 (en) 2016-03-02 2016-03-02 Implant for fixing the bone

Publications (2)

Publication Number Publication Date
KR20170102675A KR20170102675A (en) 2017-09-12
KR101800238B1 true KR101800238B1 (en) 2017-11-24

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WO (1) WO2017150809A1 (en)

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Publication number Priority date Publication date Assignee Title
KR102044731B1 (en) * 2017-09-18 2019-11-15 주식회사 아이키 Prostheses for bone fracture healing

Citations (1)

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KR101604668B1 (en) * 2016-02-01 2016-03-18 주식회사 아이피컨텍 Variable implant for fixing the femoral

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US7250054B2 (en) * 2002-08-28 2007-07-31 Smith & Nephew, Inc. Systems, methods, and apparatuses for clamping and reclamping an orthopedic surgical cable
CA2729912C (en) * 2008-07-25 2016-10-11 Synthes Usa, Llc Minimally invasive implant and crimping system
CN104127230B (en) * 2009-04-25 2017-04-12 新特斯有限责任公司 System for securing a cerclage member about a bone
US9101426B2 (en) * 2012-10-11 2015-08-11 Stryker Trauma Sa Cable plug
US9131968B2 (en) * 2013-02-27 2015-09-15 Biomet C.V. Periprosthetic plating system including plate with system for retaining tension on a cable

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Publication number Priority date Publication date Assignee Title
KR101604668B1 (en) * 2016-02-01 2016-03-18 주식회사 아이피컨텍 Variable implant for fixing the femoral

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KR20170102675A (en) 2017-09-12

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