KR930004368B1 - Vacuum blood collection tube - Google Patents
Vacuum blood collection tube Download PDFInfo
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- KR930004368B1 KR930004368B1 KR1019900003200A KR900003200A KR930004368B1 KR 930004368 B1 KR930004368 B1 KR 930004368B1 KR 1019900003200 A KR1019900003200 A KR 1019900003200A KR 900003200 A KR900003200 A KR 900003200A KR 930004368 B1 KR930004368 B1 KR 930004368B1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
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Description
본발명은 진공 채혈관에 관한 것으로서, 특히 피검자의 전혈 시료를 채취하고, 그 채취된 전혈을 그대로 원심 분리하여 혈액을 분리시키는데 사용되는 진공 채혈관에 관한 것이다.The present invention relates to a vacuum collection tube, and more particularly, to a vacuum collection tube used to collect a whole blood sample of a subject and to separate blood by centrifuging the collected whole blood as it is.
혈액을 채취하기 위해 사용되는 일반적인 진공 채혈관은 몸체를 이루는 관체와 그 관체의 개구부에 끼워지는 밸브체, 허브에 의해 중공침이 장착되는 홀더로 구성되어 있다.The general vacuum collection tube used to collect blood is composed of a tube body forming a body, a valve body fitted into an opening of the tube body, and a holder to which a hollow needle is mounted by a hub.
이러한 진공 채혈관의 소재로는 일반적으로 유리가 사용되어 오고 있으나, 유리제 진공 채혈관은 그 무게가 무거울 뿐만아니라, 시료의 보존이나 운반시 또는 원심 분리시에 채혈관이 파손되는 치명적인 결점이 있어서, 최근에는 합성 수지제 진공 채혈관이 널리 사용되고 있다.Glass has generally been used as a material for such a vacuum collection tube, but a glass vacuum collection tube is not only heavy, but also has a fatal flaw that causes damage to the collection tube during storage, transportation, or centrifugation. Recently, a vacuum blood collection tube made of synthetic resin has been widely used.
이렇게 개발된 합성수지제 진공 채혈관은 감압후나 취급도중에 파손되지 않고, 사용 이후에도 소자 처분하기 용이한 잇점등이 있으나, 그 중 진공 채혈관 내의 적절한 진공도를 유지하기 위해서는 그 재질자체에 있어서의 가스 차단성이 우수해야 하며, 또 혈액과 채혈관 재질이 상호화학적 작용을 일으키지 않으므로써 채취된 혈액의 검사결과에 영향을 미치지 않아야 하는 등의 혈액 적합성이 요구된다.The synthetic vacuum vacuum tube developed in this way does not break after decompression or handling, and there is an advantage that it is easy to dispose of the device even after use. Among them, in order to maintain an appropriate vacuum degree in the vacuum blood collection tube, the gas barrier property of the material itself is maintained. It should be excellent, and blood compatibility such that the blood and blood vessel material should not affect the test results of the collected blood by not causing an interchemical action.
지금까지 알려진 진공 채혈관용 플라스틱의 소재로는 폴리메틸메타크릴레이트, 폴리에틸렌 및 폴리에틸렌테레프탈레이트 등이 있으나, 이들중에서 폴리메틸메타크릴레이트와 폴리에틸렌은 가스 차단성이 떨어져 진공 채혈관의 진공도를 장시간 유지하는데 어려움이 있고, 또한 폴리에틸렌테레프탈레이트는 가스 차단성은 비교적 양호하나 투명성이 약간 떨어져 바람직하지 못한 문제점이 있었다.The plastic materials for vacuum blood collection tubes known to date include polymethyl methacrylate, polyethylene, and polyethylene terephthalate. Among them, polymethyl methacrylate and polyethylene have a low gas barrier property, and thus maintain the vacuum degree of the vacuum blood collection tube for a long time. There is a difficulty, and polyethylene terephthalate has a gas barrier property is relatively good, but transparency is slightly poor, there is an undesirable problem.
이에 본발명자들은 진공 채혈관의 몸체를 이루는 관체의 재질을 폴리에틸렌테레프탈레이트의 공중합체로 하되 중합시 다른 공중합성분을 적정비율로 첨가하여 중합시키게 되면 종래에 비하여 투명성이 현저하게 향상될 뿐만아니라, 혈액적합성과 가스 차단성 및 성형성도 우수하다는 사실을 알게되어 본발명을 완성하게 되었다.Therefore, the present inventors made the material of the tubular body forming the body of the vacuum blood collection tube with a copolymer of polyethylene terephthalate, but when the polymerization was carried out by adding another copolymerizing component at an appropriate ratio during polymerization, the transparency was remarkably improved as compared with the conventional blood. The present invention was completed by knowing that the suitability, gas barrier properties and moldability are excellent.
따라서, 본발명은 진공 채혈관에 있어서, 그 관체의 재질이 폴리에틸렌테레프탈레이트의 공중합체로 되어 있되 중합시 다른 공중합성분을 첨가시키므로써 특히, 투명성이 현저히 개선되고, 혈액적 합성과 가스 차단성 및 성형성도 우수한 새로운 진공 채혈관을 제공하는데 그 목적이 있다.Therefore, the present invention, in the vacuum blood collection tube, the material of the tube is made of a copolymer of polyethylene terephthalate, but by adding other copolymerization components during polymerization, in particular, the transparency is remarkably improved, blood synthesis and gas barrier properties and The aim is to provide a new vacuum blood collection tube with excellent moldability.
이하, 본발명을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail.
본발명은 그 관체의 재질이 폴리에틸렌테레프탈레이트의 공중합체로 이루어진 진공 채혈관에 있어서, 공중합시 1,2-벤젠디카르본산과 1,3-벤젠디카르본산 및 그 유도체, 이소프탈산모노아미드, 그리고 메타포밀 안식향산중에서 선택된 1종 내지 2종 이상의 성분이 폴리에틸렌테레프탈레이트에 대해 2∼5몰%로 공중합되고, 디에틸렌글리콜이 0.5∼5몰%로 공중합된 것을 그 특징으로 한다.The present invention is a vacuum blood collection tube made of a copolymer of polyethylene terephthalate, the material of 1,2-benzenedicarboxylic acid and 1,3-benzenedicarboxylic acid and derivatives thereof, isophthalic acid monoamide, And 1 to 2 or more components selected from metaformyl benzoic acid are copolymerized at 2 to 5 mol% with respect to polyethylene terephthalate, and diethylene glycol is copolymerized at 0.5 to 5 mol%.
이와같은 본발명을 더욱 상세히 설명하면 다음과 같다.The present invention will be described in more detail as follows.
본발명에서 진공 채혈관의 관체 재질로 사용된 폴리에틸렌테레프탈레이트는 종래에 사용되었던 것을 사용하여 공중합시키는데, 그 중합시 그 성분의 공중합성분으로서 1,2-벤젠디카르본산, 1,3-벤젠디카르본산 및 그의 유도체, 이소프탈산모노아미드 및 메타포밀안식향산 중에서 선택된 1종 및 2종 이상의 성분을 첨가 사용하여 공중합시키게 되면 공중합물의 분자구조에 주름을 만들어 줌으로서 결정화 속도를 늦추는 작용을 하게 되어 관체로 성형시 관체의 투명성과 성형성을 향상시키는 효과를 나타내게 된다.In the present invention, polyethylene terephthalate, which is used as a tubular material of a vacuum blood collection tube, is copolymerized using a conventionally used polymer. In the polymerization, 1,2-benzenedicarboxylic acid, 1,3-benzenedica as a copolymerization component of the component is used. Copolymerization with one or two or more components selected from levonic acid and its derivatives, isophthalic acid monoamide and metaformyl benzoic acid creates wrinkles in the molecular structure of the copolymer and slows down the crystallization rate. When forming, it exhibits the effect of improving the transparency and formability of the tube.
이때 이 성분을 폴리에틸렌테레프탈레이트에 대해 2몰%보다 적게 첨가사용하면 첨가효과가 나타나지 않으며, 5몰%보다 과량으로 사용하면 공중합물의 유리전이온도가 낮아져 성형된 관체가 열에 약해지는 단점이 생기므로 바람직하지 못하다.At this time, the addition of less than 2 mol% to the polyethylene terephthalate does not have an additive effect, and when used in excess of 5 mol%, the glass transition temperature of the copolymer is lowered, so that the molded tube becomes weak in heat. I can't.
또한, 상기 공중합시에는 또하나의 공중합성분으로서 디에틸렌글리콜을 첨가하여 공중합시키는데, 본발명에 따르면 디에틸렌글리콜은 공중합재질내에서 분자구조의 연질부 사슬을 길게 해줌으로서 공중합물의 유리전이온도를 낮게 해주는 역할을 하여, 관체로 성형시 투명성과 성형성을 향상시켜 준다.In addition, during the copolymerization, copolymerization is performed by adding diethylene glycol as another copolymerization component. According to the present invention, diethylene glycol lowers the glass transition temperature of the copolymer by lengthening the soft branch chain of the molecular structure in the copolymer material. It plays a role to improve transparency and formability when forming into a tube.
본발명에 따르면 이러한 디에틸렌글리콜은 상기 폴리에틸렌테레프탈레이트에 대해 0.5몰%보다 적은량으로 첨가하는 경우 첨가효과가 나타나지 않으며, 반면에 5몰%보다 많이 첨가하면 공중합물의 열분해온도가 낮아져 관체로 성형시 관체의 색이 노랗게 되는 문제가 있게 되므로 0.5 내지 5몰%로 사용하는 것이 좋다.According to the present invention, when the diethylene glycol is added in an amount of less than 0.5 mol% with respect to the polyethylene terephthalate, the addition effect does not appear, whereas when the diethylene glycol is added in an amount greater than 5 mol%, the thermal decomposition temperature of the copolymer is lowered, thereby forming a tubular body. Since there is a problem that the color of yellow is good to use 0.5 to 5 mol%.
상술한 바와같이, 본발명에 따라 제조된 새로운 공중합 물질로 구성되는 폴리에틸렌테레프탈레이트 공중합체로 이루어진 관체를 사용한 진공 채혈관은 전혈시료의 재취나 원심분리 및 저장시 혈액적 합성이나 가스 차단성이 우수할뿐 아니라 성형성도 우수하며, 특히 투명성이 현저하게 개선된 효과가 있다.As described above, the vacuum blood collection tube using a tube made of a polyethylene terephthalate copolymer composed of a novel copolymer prepared according to the present invention is excellent in blood synthesis or gas barrier properties when recollection, centrifugation and storage of whole blood samples. In addition to excellent moldability, in particular, there is an effect of remarkably improved transparency.
이하, 본발명을 실시예에 의거 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to Examples.
[실시예 1]Example 1
폴리에틸렌테레프탈레이트에 1,2-벤젠디카르본산 3몰%와 디에틸렌글리콜 2몰%를 공중합시킨 폴리머를 동일 두께를 갖는 필름상 및 관체로 사출 성형하여 그 물성을 평가하였고, 혈액 적합성은 생리 식염수에 의한 시료의 추출물 내에서 토끼 혈액의 용혈 여부를 광학 밀도 측정으로 평가하였으며, 그 결과는 표 1과 같다.The physical properties of the polymer obtained by copolymerizing 3 mol% of 1,2-benzenedicarboxylic acid and 2 mol% of diethylene glycol in polyethylene terephthalate were evaluated by injection molding into films and tubes having the same thickness. The hemolysis of rabbit blood in the extract of the sample was evaluated by optical density measurement, the results are shown in Table 1.
[실시예 2]Example 2
폴리에틸렌테레프탈레이트에 1,3-벤젠디카르본산 2몰%와 디에틸렌글리콜 3몰%를 공중합시킨 것 이외에는 실시예 1과 동일하게 실시하고 물성을 측정하였으며, 그 결과는 표 1과 같다.Except for copolymerizing 2 mol% of 1,3-benzenedicarboxylic acid and 3 mol% of diethylene glycol in polyethylene terephthalate was carried out in the same manner as in Example 1 and measured the physical properties, the results are shown in Table 1.
[실시예 3]Example 3
폴리에틸렌테레프탈레이트에 1,3-벤젠디카르본산 3몰%와 디에틸렌글리콜 2몰%를 공중합시킨 것 이외에는 실시예 1과 동일하게 실시하고 물성을 측정하였으며, 그 결과는 표 1과 같다.Except copolymerizing 3 mol% of 1,3-benzenedicarboxylic acid and 2 mol% of diethylene glycol in polyethylene terephthalate was carried out in the same manner as in Example 1 and measured the physical properties, the results are shown in Table 1.
[실시예 4]Example 4
폴리에틸렌테레프탈레이트에 메타포밀안식향산 2몰%와 디에틸렌글리콜 5몰%를 공중합시킨 것 이외에는 실시예 1과 동일하게 실시하고 물성을 측정하였으며, 그 결과는 표 1과 같다.Except for copolymerizing 2 mol% of metaformyl benzoic acid and 5 mol% of diethylene glycol in polyethylene terephthalate was carried out in the same manner as in Example 1 and measured physical properties, the results are shown in Table 1.
[비교예 1]Comparative Example 1
폴리에틸렌테레프탈레이트만을 사용하는 것 이외에는 실시예 1과 동일하게 실시하고 물성을 측정하였으며, 그 결과는 표 1과 같다.Except for using only polyethylene terephthalate was carried out in the same manner as in Example 1 and measured the physical properties, the results are shown in Table 1.
[비교예 2]Comparative Example 2
폴리에틸렌테레프탈레이트에 1,2-벤젠디카르본산 0.1몰%과 디에틸렌글리콜 0.4몰%를 공중합시킨 것 이외에는 실시예 1과 동일하게 실시하고 물성을 측정하였으며, 그 결과는 표 1과 같다.The physical properties of the polyethylene terephthalate were measured in the same manner as in Example 1 except that 0.2 mol of 1,2-benzenedicarboxylic acid and 0.4 mol% of diethylene glycol were copolymerized. The results are shown in Table 1 below.
[비교예 3]Comparative Example 3
폴리에틸렌테레프탈레이트에 1,2-벤젠디카르본산 8몰%와 디에틸렌글리콜 8몰%를 공중합시킨 것 이외에는 실시예 1과 동일하게 실시하고 물성을 측정하였으며, 그 결과는 표 1과 같다.The physical properties of the polyethylene terephthalate were measured in the same manner as in Example 1 except that 8 mol% of 1,2-benzenedicarboxylic acid and 8 mol% of diethylene glycol were copolymerized, and the results are shown in Table 1.
[비교예 4][Comparative Example 4]
폴리에틸렌테레프탈레이트에 1,3-벤젠디카르본산 6몰%와 디에틸렌글리콜 10몰%를 공중합시킨 것 이외에는 실시예 1과 동일하게 실시하고 물성을 측정하였으며, 그 결과는 표 1과 같다.Except for copolymerizing 6 mol% of 1,3-benzenedicarboxylic acid and 10 mol% of diethylene glycol in polyethylene terephthalate was carried out in the same manner as in Example 1 and measured the physical properties, the results are shown in Table 1.
[비교예 5][Comparative Example 5]
폴리에틸렌테레프탈레이트에 메타포밀안식향산 6몰%와 디에틸렌글리콜 10몰%를 공중합시킨 것 외에는 실시예 1과 동일하게 실시하고 물성을 측정하였으며, 그 결과는 표 1과 같다.Except copolymerizing 6 mol% of metaformyl benzoic acid and 10 mol% of diethylene glycol in polyethylene terephthalate was carried out in the same manner as in Example 1 and measured the physical properties, the results are shown in Table 1.
[표 1]TABLE 1
주 ) A ; 1,2-벤젠디카르본산Note) A; 1,2-benzenedicarboxylic acid
B ; 1,3-벤젠디카르본산B; 1,3-benzenedicarboxylic acid
C ; 메타포밀안식향산C; Metaformyl Benzoic Acid
D ; 디에틸렌글리콜D; Diethylene glycol
◎ ; 우수◎; Great
○ ; 양호○; Good
△ ; 보통△; usually
Claims (1)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019900003200A KR930004368B1 (en) | 1990-03-10 | 1990-03-10 | Vacuum blood collection tube |
| JP2239141A JPH03237969A (en) | 1989-09-11 | 1990-09-11 | Vacuum blood-collecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019900003200A KR930004368B1 (en) | 1990-03-10 | 1990-03-10 | Vacuum blood collection tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR910016800A KR910016800A (en) | 1991-11-05 |
| KR930004368B1 true KR930004368B1 (en) | 1993-05-26 |
Family
ID=19296860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019900003200A Expired - Fee Related KR930004368B1 (en) | 1989-09-11 | 1990-03-10 | Vacuum blood collection tube |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR930004368B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100402551B1 (en) * | 2001-08-01 | 2003-10-17 | 주식회사 코오롱 | Housing for hemodialysis |
-
1990
- 1990-03-10 KR KR1019900003200A patent/KR930004368B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR910016800A (en) | 1991-11-05 |
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