KR20220162912A - Carbon implant and Manufacturing method of the same - Google Patents
Carbon implant and Manufacturing method of the same Download PDFInfo
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- KR20220162912A KR20220162912A KR1020210070759A KR20210070759A KR20220162912A KR 20220162912 A KR20220162912 A KR 20220162912A KR 1020210070759 A KR1020210070759 A KR 1020210070759A KR 20210070759 A KR20210070759 A KR 20210070759A KR 20220162912 A KR20220162912 A KR 20220162912A
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- 239000007943 implant Substances 0.000 title claims abstract description 82
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 63
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000003475 lamination Methods 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 11
- 229920005989 resin Polymers 0.000 claims abstract description 11
- 238000005470 impregnation Methods 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- 238000012805 post-processing Methods 0.000 claims abstract description 6
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims abstract description 4
- 150000001721 carbon Chemical class 0.000 claims abstract description 3
- 239000011162 core material Substances 0.000 claims description 29
- 238000005452 bending Methods 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000004744 fabric Substances 0.000 claims description 11
- 238000001356 surgical procedure Methods 0.000 abstract description 7
- 238000010030 laminating Methods 0.000 abstract description 3
- 210000000988 bone and bone Anatomy 0.000 description 10
- 238000003384 imaging method Methods 0.000 description 7
- 208000006386 Bone Resorption Diseases 0.000 description 5
- 230000024279 bone resorption Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 230000010072 bone remodeling Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 206010007269 Carcinogenicity Diseases 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000007670 carcinogenicity Effects 0.000 description 1
- 231100000260 carcinogenicity Toxicity 0.000 description 1
- 231100000957 no side effect Toxicity 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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Abstract
Description
본 발명은 탄소소재 임플란트 및 이의 제조방법에 관한 것으로서, 특히 탄소시트를 이용하여 제조된 탄소소재 임플란트 및 이의 제조방법에 관한 것이다.The present invention relates to a carbon material implant and a manufacturing method thereof, and more particularly to a carbon material implant manufactured using a carbon sheet and a manufacturing method thereof.
금속재료가 생체용으로 사용되기 위해서는 독성이나 발암성이 없고 부작용이나 인체 거부반응이 없는 생체적합성(biocompatibility)이 우수해야 하며, 인장강도, 탄성률, 내마모성 등 기계적 성질이 양호해야 할 뿐만 아니라 인체 내에서 조성되는 부식 환경을 견딜 수 있는 강력한 내식성을 갖추어야 한다. In order for metal materials to be used for living things, they must have excellent biocompatibility without toxicity or carcinogenicity, no side effects or rejection by the human body, and good mechanical properties such as tensile strength, modulus of elasticity, and abrasion resistance, as well as good It must have strong corrosion resistance that can withstand the corrosive environment that is created.
따라서 이러한 요건을 고려할 때, 적당한 생체용 금속재료는 스테인리스 강, 코발트계 합금, 티타늄 및 그 합금계 등이 사용되고 있다.Therefore, considering these requirements, stainless steel, cobalt-based alloys, titanium and its alloys are used as suitable metal materials for living organisms.
특히, 이 중에서도 기계적 강도 및 부식 저항성 등을 감안하여 임플란트의 재료로 티타늄이 널리 사용되고 있는데, 티타늄은 임플란트로 가공되는 과정에서 표면이 공기 중에 노출되면 산소와 반응하여 수천분의 일초 내에 수나노미터 두께의 티타늄 산화막이 형성된다. In particular, titanium is widely used as a material for implants in consideration of its mechanical strength and corrosion resistance. Titanium reacts with oxygen when its surface is exposed to the air in the process of being processed into an implant, and is several nanometers thick within a few thousandths of a second. A titanium oxide film of is formed.
그러나, 이러한 종래의 금속성 임플란트는 X-ray와 MRI 촬영시 투과되지 않기 때문에, 진료, 수술 등을 위해 X-ray 또는 MRI 촬영시 금속성 임플란트를 제거해야 되는 등의 문제가 있었다.However, since these conventional metallic implants are not transmitted during X-ray and MRI imaging, there is a problem in that the metallic implant must be removed during X-ray or MRI imaging for medical treatment, surgery, and the like.
또한, 도 1(a)에 도시된 바와 같이 금속(티타늄 등) 임플란트를 골절부위에 적용할 경우, 금속의 매우 높은 강도로 인해 도 1(a)에서 화살표로 표시한 바와 같이 대부분의 하중(자극)이 뼈가 아닌 임플란트를 통해 전달되게 된다.In addition, when a metal (titanium, etc.) implant is applied to the fracture site as shown in FIG. 1 (a), most of the load (stimulus) as indicated by the arrow in FIG. ) is delivered through the implant rather than the bone.
이렇게 되면, 골절된 뼈로 가해지는 하중(자극)이 작아지면서 골 재생성(Bone remodeling)이 저하되고, 결국 도 1(b)에 도시된 바와 같이 뼈가 얇아지면서 골흡수(Bone resorption) 현상이 발생하게 되는 문제가 있었다.In this case, as the load (stimulus) applied to the fractured bone decreases, bone remodeling decreases, and eventually, as shown in FIG. 1(b), the bone becomes thin and bone resorption occurs. there was a problem with
본 발명은 전술한 문제점을 해결하기 위한 것으로서, X-ray와 MRI 촬영시 투과성이 높아 임플란트의 제거없이 진료, 수술 등을 원활하게 할 수 있고, 임플란트를 골절부위에 적용하여 하였을 때 골흡수 현상이 발생되는 것을 지연시킬 수 있는 탄소소재 임플란트 및 이의 제조방법을 제공하는데 그 목적이 있다.The present invention is intended to solve the above-described problems, and has high permeability during X-ray and MRI imaging, so that treatment and surgery can be performed smoothly without removing the implant, and bone resorption occurs when the implant is applied to a fracture site. Its purpose is to provide a carbon material implant that can delay the occurrence and a manufacturing method thereof.
상기 목적을 달성하기 위하여 본 발명의 탄소소재 임플란트의 제조방법은, 임플란트 형상에 맞게 탄소시트를 절단하여 준비하는 준비단계와; 탄소시트를 레진에 함침시키는 함침단계와; 레진이 함침된 다수개의 탄소시트를 금형에 넣어 적층하는 적층단계와; 적층된 탄소시트를 가열하여 굽는 히팅단계와; 상기 히팅단계에 의해 탄소시트가 경화되어 형성된 임플란트의 외형을 가공하는 후가공단계;를 포함하여 이루어진 것을 특징으로 한다.In order to achieve the above object, the manufacturing method of a carbon material implant of the present invention includes a preparation step of cutting and preparing a carbon sheet to suit the shape of the implant; an impregnation step of impregnating the carbon sheet into the resin; A lamination step of stacking a plurality of carbon sheets impregnated with resin into a mold; a heating step of heating and baking the stacked carbon sheets; and a post-processing step of processing the outer shape of the implant formed by hardening the carbon sheet by the heating step.
상기 탄소시트는, 평직, 능직, 단방향(Unidirectional)직물 중 어느 하나의 형태로 이루어진다.The carbon sheet is made of any one of plain weave, twill weave, and unidirectional weave.
상기 적층단계에서는, 평직 또는 능직 중 어느 하나 형태의 탄소시트와, 단방향(Unidirectional)직물 형태의 탄소시트를 적층한다.In the laminating step, a carbon sheet in either a plain weave or a twill weave form and a carbon sheet in a unidirectional weave form are laminated.
상기 적층단계에서는, 하부에 탄소시트를 배치하고, 그 위에 금속재질의 심재를 배치한 후, 상기 심재 위에 다시 탄소시트를 배치하되, 상기 히팅단계 완료 후 상기 심재는 외부로 비노출된다.In the lamination step, a carbon sheet is disposed below, a core material made of metal is disposed thereon, and then a carbon sheet is again disposed on the core material. After the heating step is completed, the core material is not exposed to the outside.
상기 히팅단계 이후에 상기 심재를 구부려 소성변형시키는 벤딩단계;를 더 포함하여 이루어지되, 상기 벤딩단계에 의해 임플란트는 그 형상이 변형된다.A bending step of bending and plastically deforming the core material after the heating step is further included, and the shape of the implant is deformed by the bending step.
상기 탄소시트는 단방향직물 형태로 이루어지되, 상기 적층단계에서는, 단방향직물 형태의 탄소시트를 상기 벤딩단계에서 상기 임플란트가 벤딩될 방향을 단방향으로 하여 배치된다.The carbon sheet is made in the form of a unidirectional fabric, and in the stacking step, the carbon sheet in the form of a unidirectional fabric is disposed in a unidirectional direction in which the implant is to be bent in the bending step.
또한, 상기 목적을 달성하기 위하여 본 발명의 탄소소재 임플란트는, 다수개의 탄소시트가 적층되고 가열된 후 경화되어 이루어진다.In addition, in order to achieve the above object, the carbon material implant of the present invention is formed by curing after a plurality of carbon sheets are laminated and heated.
상기 탄소시트는, 평직, 능직, 단방향(Unidirectional)직물 중 어느 하나의 형태로 이루어진다.The carbon sheet is made of any one of plain weave, twill weave, and unidirectional weave.
적층된 상기 탄소시트의 안쪽에는 금속재질의 심재가 비노출 형태로 배치되어 있되, 외력에 의해 상기 심재가 벤딩되어 소성변형되면, 상기 심재를 감싸고 있는 경화된 탄소시트도 함께 벤딩되면서 변형된다.Inside the laminated carbon sheet, a metal core material is disposed in an unexposed form, and when the core material is bent and plastically deformed by an external force, the hardened carbon sheet surrounding the core material is also bent and deformed.
이상에서 설명한 바와 같은 본 발명의 탄소소재 임플란트 및 이의 제조방법에 따르면 다음과 같은 효과가 있다.According to the carbon material implant and the manufacturing method of the present invention as described above, the following effects are obtained.
본 발명의 임플란트는 금속재질이 없기 때문에, X-ray와 MRI 촬영시 투과성이 높아, 임플란트의 제거없이 진료, 수술 등을 원활하게 할 수 있다.Since the implant of the present invention does not have a metal material, it has high permeability during X-ray and MRI imaging, so that medical treatment and surgery can be performed smoothly without removing the implant.
금속재질의 심재를 포함하고 있는 경우에도, 상기 심재의 크기가 매우 작기 때문에, 기존 금속만으로 이루어진 임플란트보다 X-ray와 MRI 촬영시 투과성이 높아, 임플란트의 제거없이 진료, 수술 등을 원활하게 할 수 있다.Even in the case of including a metal core material, since the size of the core material is very small, the permeability is higher during X-ray and MRI imaging than conventional implants made of only metal, so that treatment and surgery can be performed smoothly without removing the implant. have.
또한, 금속재질의 심재에 의해 임플란트를 필요에 따라 벤딩시켜 사용할 수 있어, 다양한 조건에서도 적합하게 변경하여 사용할 수 있다.In addition, since the implant can be bent and used as needed by the metal core material, it can be suitably changed and used under various conditions.
뿐만 아니라, 본 발명은 탄소소재의 임플란트이기 때문에, 이러한 임플란트를 골절부위에 적용할 경우, 상기 임플란트의 강도를 뼈와 유사한 강도로 조절하여, 기존 금속을 이용한 임플란트를 골절부위에 적용할 때 발생되는 문제점 즉 골흡수 현상이 발생하는 것을 최대한 지연시킬 수 있는 효과가 있다.In addition, since the present invention is an implant made of carbon material, when such an implant is applied to a fracture site, the strength of the implant is adjusted to a strength similar to that of bone, and the implant using an existing metal is applied to the fracture site. There is an effect that can delay the occurrence of the problem, namely bone resorption, as much as possible.
도 1은 종래의 금속 임플란트를 골절부위에 적용하였을 때의 구조도,
도 2은 본 발명의 실시예에 따른 탄소소재 임플란트 제조방법의 과정도,
도 3는 본 발명의 실시예에 따른 탄소소재 임플란트 제조방법 중 적층단계를 간략하게 도시한 과정도,
도 4은 본 발명의 실시예에 따른 탄소소재 임플란트 제조방법 중 적층단계 및 벤딩단계를 간략하게 도시한 과정도.
도 5는 종래의 금속 임플란트를 골절부위에 적용하였을 때의 구조도,1 is a structure diagram when a conventional metal implant is applied to a fracture site;
2 is a process diagram of a method for manufacturing a carbon material implant according to an embodiment of the present invention;
Figure 3 is a process diagram briefly showing the lamination step of the carbon material implant manufacturing method according to an embodiment of the present invention;
Figure 4 is a process diagram briefly showing the lamination step and the bending step of the carbon material implant manufacturing method according to an embodiment of the present invention.
Figure 5 is a structure diagram when a conventional metal implant is applied to a fracture site;
본 발명의 탄소소재 임플란트의 제조방법은, 도 2에 도시된 바와 같이, 준비단계(S1)와, 함침단계(S2)와, 적층단계(S3)와, 히팅단계(S4)와, 후가공단계(S6)를 포함하여 이루어진다.As shown in FIG. 2, the method of manufacturing a carbon material implant of the present invention includes a preparation step (S1), an impregnation step (S2), a lamination step (S3), a heating step (S4), and a post-processing step ( S6) is included.
상기 준비단계(S1)는 임플란트(30) 형상에 맞게 탄소시트(10)를 절단하여 준비하는 단계이다.The preparation step (S1) is a step of preparing by cutting the
상기 탄소시트(10)는, 평직, 능직, 단방향(Unidirectional)직물 중 어느 하나의 형태로 이루어진다.The
이러한 직물 형태의 상기 탄소시트(10)는 외력에 의해 휘어질 수 있는 상태에 있다.The
평직, 능직, 단방향직물 등에 대한 구체적인 구조는, 종래의 공지된 기술을 이용하면 충분하기 때문에 이에 대한 구체적은 설명은 생략한다.Since a specific structure for plain weave, twill weave, unidirectional weave, etc. is sufficient using a conventionally known technique, a detailed description thereof will be omitted.
상기 함침단계(S2)는 탄소시트(10)를 레진에 함침시키는 단계이다.The impregnation step (S2) is a step of impregnating the
이때 상기 레진은 인체 내에 사용할 수 있는 재질로 이루어지도록 한다.At this time, the resin is made of a material that can be used in the human body.
상기 준비단계(S1) 이후에 상기 함침단계(S2)를 수행할 수도 있고, 상기 함침단계(S2) 이후에 상기 준비단계(S1)를 수행할 수도 있다,The impregnation step (S2) may be performed after the preparation step (S1), or the preparation step (S1) may be performed after the impregnation step (S2),
즉, 탄소시트(10)의 절단 후 레진에 함침하거나, 레진에 함침된 탄소시트(10)를 절단할 수 있다.That is, after cutting the
상기 적층단계(S3)는 레진이 함침된 다수개의 탄소시트(10)를 금형에 넣어 적층하는 단계이다.The lamination step (S3) is a step of stacking a plurality of
이때, 상기 적층단계(S3)에서는 성형될 임플란트(30)의 종류 등에 따라, 탄소시트(10)의 직물 구조 종류를 변경하여 적층하도록 한다.At this time, in the lamination step (S3), the fabric structure type of the
즉, 도 3에 도시된 바와 같이, 평직, 능직, 단방향직물 등으로 이루어진 탄소시트(10)를 그 직물 구조의 종류에 따라 적층함으로서, 완성될 임플란트(30)의 무게, 강도, 탄성 등을 조절하게 된다.That is, as shown in FIG. 3, by laminating
바람직하게는, 평직 또는 능직 중 어느 하나 형태의 탄소시트(10)와, 단방향직물 형태의 탄소시트(10)를 적층하도록 함이 바람직하다.Preferably, the
이때, 단방향직물 형태의 탄소시트(10)를 방향 전환하여 사용하게 되면, 하중을 받는 방향에 따라 강도를 보강할 수 있다.At this time, when the direction of the
물론, 경우에 따라 단방향직물 형태 없이 평직 또는 능직 중 어느 하나 형태의 탄소시트(10)로 이루어진 것을 사용할 수도 있다.Of course, in some cases, a
상기 히팅단계(S4)는 적층된 탄소시트(10)를 고온으로 가열하여 굽는 단계이다.The heating step (S4) is a step of heating and baking the stacked
상기 히팅단계(S4)에 의해 상기 탄소시트(10)는 딱딱하게 경화되어 임플란트(30)로 성형되게 된다.By the heating step (S4), the
상기 후가공단계(S6)는 상기 히팅단계(S4)에 의해 탄소시트(10)가 경화되어 형성된 상기 임플란트(30)의 외형을 가공하는 단계이다.The post-processing step (S6) is a step of processing the outer shape of the
위와 같은 방법에 의해 제조된 본 발명의 탄소소재 임플란트(30)는 금속재질이 없기 때문에, X-ray와 MRI 촬영시 투과성이 높아, 임플란트(30)의 제거없이 진료, 수술 등을 원활하게 할 수 있다.Since the carbon material implant 30 of the present invention manufactured by the above method does not have a metal material, it has high permeability during X-ray and MRI imaging, so that it is possible to smoothly perform medical treatment and surgery without removing the
한편 본 발명은 벤딩단계(S5)를 더 포함하여 이루어질 수도 있다.Meanwhile, the present invention may further include a bending step (S5).
이때에는, 상기 적층단계(S3)에서 탄소섬유 사이에 금속재질의 심재(20)를 더 배치하도록 한다,At this time, in the lamination step (S3), a
도 4(a)에 도시된 바와 같이, 상기 적층단계(S3)에서는, 하부에 탄소시트(10)를 배치하고, 그 위에 금속재질의 상기 심재(20)를 배치한 후, 상기 심재(20) 위에 다시 탄소시트(10)를 배치하도록 한다.As shown in FIG. 4(a), in the stacking step (S3), after disposing the
이렇게 탄소시트(10)와 심재(20)가 적층된 상태에서, 상기 히팅단계(S4)를 수행하게 되면, 상기 심재(20)는 경화된 상기 탄소시트(10)의 내부에 배치되면서 외부로 노출되지 않게 된다.When the heating step (S4) is performed in a state where the
상기 벤딩단계(S5)는 상기 히팅단계(S4) 이후에 상기 심재(20)를 외력으로 구부려 소성변형시키는 단계이다.The bending step (S5) is a step of plastically deforming the
상기 벤딩단계(S5)에 의해 성형된 임플란트(30)는 그 형상이 변형되게 된다.The shape of the
도 4(b)에 도시된 바와 같이, 성형된 임플란트(30)가 외력에 의해 벤딩되게 되면, 경화된 상기 탄성시트의 탄성복원력에 의해 임플란트(30)는 원래의 형태로 복원되려고 하지만 벤딩되면서 소성변형된 상기 심재(20)에 의해 원래의 형태로 복원되지 못하고 벤딩된 상태를 그대로 유지하게 된다.As shown in FIG. 4(b), when the molded
이를 위해 소성 변형되어 벤딩된 상기 심재(20)의 강성은, 경화된 탄성시트의 탄성복원력보다 더 커야 한다.To this end, the rigidity of the
그리고, 위와 같이 상기 심재(20)를 더 포함하는 경우, 상기 탄소시트(10)는 단방향직물 형태로 이루어지도록 함이 바람직하다.In addition, when the
이때, 상기 적층단계(S3)에서는 단방향직물 형태의 탄소시트(10)를 상기 벤딩단계(S5)에서 상기 임플란트(30)가 벤딩될 방향을 단방향으로 하여 배치하도록 한다.At this time, in the stacking step (S3), the
즉, 임플란트(30)가 벤딩될 방향과 같은 방향으로 단방향직물 형태의 탄소시트(10)의 원사가 배치되어, 임플란트(30)의 벤딩시 벤딩이 원활하게 이루어질 수 있도록 한다.That is, yarns of the
위와 같은 과정에 의해 제조된 본 발명의 탄소소재 임플란트(30)는 비록 금속재질의 심재(20)를 포함하고 있지만, 상기 심재(20)의 크기가 매우 작기 때문에, 기존 금속만으로 이루어진 임플란트(30)보다 X-ray와 MRI 촬영시 투과성이 높아, 임플란트(30)의 제거없이 진료, 수술 등을 원활하게 할 수 있다.Although the
또한, 금속재질의 심재(20)에 의해 임플란트(30)를 필요에 따라 벤딩시켜 사용할 수 있어, 다양한 조건에서도 적합하게 변경하여 사용할 수 있다.In addition, the
뿐만 아니라, 본 발명의 임플란트(30)는 탄소소재로 이루어져 있기 때문에, 도 5(a)에 도시된 바와 같이 본 발명의 임플란트(30)를 골절부위에 적용할 경우, 제조되는 상기 임플란트(30)의 강도를 필요에 따라 다양하게 조절할 수 있다.In addition, since the
따라서, 임플란트(30)의 강도를 뼈의 강도와 유사하게 조절하여, 도 5(a)에 도시된 바와 같이 골절부위에 적용하게 되면, 임플란트(30)의 강도와 뼈의 강도가 거의 동일하기 때문에, 화살표로 표시한 바와 같이 가하지는 하중(자극)이 임플란트(30)와 골절된 뼈로 거의 균일하게 전달된다.Therefore, when the strength of the
이로 인해, 도 1에 도시된 기존 금속 임플란트(1)를 골절부위에 적용할 때보다, 도 5에 도시된 바와 같이 골절된 뼈로 가해지는 하중(자극)이 커져, 골 재생성(Bone remodeling)을 향상시킬 수 있고, 이를 결국 도 5(b)에 도시된 바와 같이 기존의 뼈가 얇아지면서 골흡수(Bone resorption) 현상이 발생하게 되는 것을 방지하거나 최대한 지연시킬 수 있게 된다.As a result, the load (stimulus) applied to the fractured bone is greater as shown in FIG. 5 than when the
즉, 본 발명은 임플란트(30)의 강도를 기존 금속재질의 강도보다 낮추어, 응력방폐현상을 줄이고, 이로 인해 골흡수 현상을 늦추어 임플란트(30)와 뼈의 수명을 늘이게 되는 효과가 있다.That is, according to the present invention, the strength of the
이때, 본 발명의 임플란트(30)의 강도는, 상술한 적층단계(S3)에서 적층하는 탄소시트(10)의 종류, 구조 및 적층 배열 등을 통해 필요에 따라 적절하게 조절하면 된다.At this time, the strength of the
본 발명인 탄소소재 임플란트 및 이의 제조방법은 전술한 실시예에 국한하지 않고, 본 발명의 기술 사상이 허용되는 범위 내에서 다양하게 변형하여 실시할 수 있다.The present invention, the carbon material implant and its manufacturing method, is not limited to the above-described embodiment, and can be variously modified and implemented within the scope permitted by the technical spirit of the present invention.
10 : 탄소시트,
20 : 심재,
30 : 임플란트.
S1 : 준비단계, S2 : 함침단계, S3 : 적층단계, S4 : 히팅단계, S5 : 벤딩단계, S6 : 후가공단계.10: carbon sheet,
20: heartwood,
30: Implants.
S1: preparation step, S2: impregnation step, S3: lamination step, S4: heating step, S5: bending step, S6: post-processing step.
Claims (9)
탄소시트를 레진에 함침시키는 함침단계와;
레진이 함침된 다수개의 탄소시트를 금형에 넣어 적층하는 적층단계와;
적층된 탄소시트를 가열하여 굽는 히팅단계와;
상기 히팅단계에 의해 탄소시트가 경화되어 형성된 임플란트의 외형을 가공하는 후가공단계;를 포함하여 이루어진 것을 특징으로 하는 탄소소재 임플란트의 제조방법.a preparation step of cutting and preparing the carbon sheet according to the shape of the implant;
an impregnation step of impregnating the carbon sheet into the resin;
A lamination step of stacking a plurality of carbon sheets impregnated with resin into a mold;
a heating step of heating and baking the stacked carbon sheets;
A method of manufacturing a carbon material implant comprising a; post-processing step of processing the outer shape of the implant formed by hardening the carbon sheet by the heating step.
상기 탄소시트는,
평직, 능직, 단방향(Unidirectional)직물 중 어느 하나의 형태로 이루어진 것을 특징으로 하는 탄소소재 임플란트의 제조방법.In claim 1,
The carbon sheet,
A method of manufacturing a carbon material implant, characterized in that made of any one of plain weave, twill weave, and unidirectional weave.
상기 적층단계에서는,
평직 또는 능직 중 어느 하나 형태의 탄소시트와, 단방향(Unidirectional)직물 형태의 탄소시트를 적층하는 것을 특징으로 하는 탄소소재 임플란트의 제조방법.In claim 2,
In the layering step,
A method of manufacturing a carbon material implant, characterized in that a plain weave or twill weave carbon sheet and a unidirectional weave carbon sheet are laminated.
상기 적층단계에서는,
하부에 탄소시트를 배치하고, 그 위에 금속재질의 심재를 배치한 후, 상기 심재 위에 다시 탄소시트를 배치하되,
상기 히팅단계 완료 후 상기 심재는 외부로 비노출되는 것을 특징으로 하는 탄소소재 임플란트의 제조방법.In claim 2,
In the layering step,
A carbon sheet is placed on the lower part, a core material made of metal is placed thereon, and then a carbon sheet is placed again on the core material,
After the heating step is completed, the core material is a manufacturing method of a carbon material implant, characterized in that not exposed to the outside.
상기 히팅단계 이후에 상기 심재를 구부려 소성변형시키는 벤딩단계;를 더 포함하여 이루어지되,
상기 벤딩단계에 의해 임플란트는 그 형상이 변형되는 것을 특징으로 하는 탄소소재 임플란트의 제조방법.In claim 4,
A bending step of bending and plastically deforming the core material after the heating step;
The method of manufacturing a carbon material implant, characterized in that the shape of the implant is deformed by the bending step.
상기 탄소시트는 단방향직물 형태로 이루어지되,
상기 적층단계에서는,
단방향직물 형태의 탄소시트를 상기 벤딩단계에서 상기 임플란트가 벤딩될 방향을 단방향으로 하여 배치하는 것을 특징으로 하는 탄소소재 임플란트의 제조방법.The method of claim 5,
The carbon sheet is made in the form of a unidirectional fabric,
In the layering step,
A method of manufacturing a carbon material implant, characterized in that in the bending step, the carbon sheet in the form of a unidirectional fabric is disposed so that the direction in which the implant is to be bent is unidirectional.
상기 탄소시트는
평직, 능직, 단방향(Unidirectional)직물 중 어느 하나의 형태로 이루어진 것을 특징으로 하는 탄소소재 임플란트.The method of claim 7,
The carbon sheet is
Carbon material implant, characterized in that made of any one of plain weave, twill weave, unidirectional weave.
적층된 상기 탄소시트의 안쪽에는 금속재질의 심재가 비노출 형태로 배치되어 있되,
외력에 의해 상기 심재가 벤딩되어 소성변형되면, 상기 심재를 감싸고 있는 경화된 탄소시트도 함께 벤딩되면서 변형되는 것을 특징으로 하는 탄소소재 임플란트.
In claim 8,
Inside the laminated carbon sheets, a core material made of metal is disposed in a non-exposed form,
Carbon material implant characterized in that when the core material is bent and plastically deformed by an external force, the hardened carbon sheet surrounding the core material is also bent and deformed.
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| US4892552A (en) * | 1984-03-30 | 1990-01-09 | Ainsworth Robert D | Orthopedic device |
| US5240773A (en) * | 1992-01-13 | 1993-08-31 | Mutual Industries, Inc. | Fabric reinforced thermoplastic resins |
| JP2004537337A (en) * | 2001-02-28 | 2004-12-16 | エスディージーアイ・ホールディングス・インコーポレーテッド | Woven orthopedic implant |
| JP2007259955A (en) * | 2006-03-27 | 2007-10-11 | Mizuho Co Ltd | Implant to be embedded in body, and manufacturing method thereof |
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| KR20120125838A (en) | 2011-05-09 | 2012-11-19 | 동국대학교 산학협력단 | Medical Implant and Method for Manufacturing the Same |
| KR20130009920A (en) * | 2011-07-16 | 2013-01-24 | 태광금속 | Methord of hot-forging for titanium artificial-joint of thereof |
| JP5684789B2 (en) * | 2010-03-17 | 2015-03-18 | 株式会社ビー・アイ・テック | Structure and manufacturing method of stem for composite hip prosthesis |
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2021
- 2021-06-01 KR KR1020210070759A patent/KR102608168B1/en active IP Right Grant
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- 2022-04-29 WO PCT/KR2022/006149 patent/WO2022255650A1/en active Application Filing
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| US4892552A (en) * | 1984-03-30 | 1990-01-09 | Ainsworth Robert D | Orthopedic device |
| US5240773A (en) * | 1992-01-13 | 1993-08-31 | Mutual Industries, Inc. | Fabric reinforced thermoplastic resins |
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| KR101027252B1 (en) * | 2003-04-16 | 2011-04-06 | 하우메디카 오스테오닉스 코포레이션 | Craniofacial implant |
| JP2007259955A (en) * | 2006-03-27 | 2007-10-11 | Mizuho Co Ltd | Implant to be embedded in body, and manufacturing method thereof |
| JP5684789B2 (en) * | 2010-03-17 | 2015-03-18 | 株式会社ビー・アイ・テック | Structure and manufacturing method of stem for composite hip prosthesis |
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| KR20130009920A (en) * | 2011-07-16 | 2013-01-24 | 태광금속 | Methord of hot-forging for titanium artificial-joint of thereof |
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| KR102608168B1 (en) | 2023-12-04 |
| WO2022255650A1 (en) | 2022-12-08 |
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