[특허]Medical instrument

[미국특허] Medical instrument 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-025/09 A61L-029/08 A61L-029/14 A61L-031/10 A61L-031/14 A61M-025/00
출원번호	US-0058461 (2009-08-03)
등록번호	US-9180278 (2015-11-10)
우선권정보	JP-2008-206892 (2008-08-11)
국제출원번호	PCT/JP2009/063747 (2009-08-03)
§371/§102 date	20110210 (20110210)
국제공개번호	WO2010/018762 (2010-02-18)
발명자 / 주소	Kobayashi, Junichi Kinoshita, Yasushi Kousai, Tadashi
출원인 / 주소	TERUMO KABUSHIKI KAISHA
대리인 / 주소	Buchanan Ingersoll & Rooney PC
인용정보	피인용 횟수 : 0 인용 특허 : 58

초록 ▼

A medical instrument to be inserted into a living body before being used. The medical instrument is provided with a medical instrument main body including a long linear body having flexibility on which a coating layer covering at least the outer periphery on the distal side thereof is formed. The coating layer composes of a first layer which includes a material containing a low-friction resin material capable of lowering friction and a binder resin material serving as a binder; a second layer which is formed on the first layer and includes a material containing a low-friction resin material and a pigment and in which the content of a binder resin material is lower than the binder resin material content of the first layer or nil; and a third layer which is formed on the second layer and includes a material containing a low-friction resin material.

대표청구항 ▼

1. A medical instrument to be inserted into a living body when being used, comprising: a medical instrument main body which includes a long linear body having an outer periphery and providing flexibility, a coating layer covering at least the outer periphery of the long linear body, the coating layer being formed on at least a distal side of the long linear body,wherein the coating layer includes:a first layer which includes a material containing a low-friction resin material capable of reducing friction and a binder resin material functioning as a binder, the entire first layer being directly in contact with the medical instrument main body;a second layer which is formed on the first layer and includes a material containing the low-friction resin material and a pigment and in which the content of the binder resin material is lower than the binder resin material content of the first layer or nil;a marker disposed on the second layer, wherein the marker has a plurality of linear portions having a color which is different from a color of the second layer so as to enable endoscopic viewing of the marker by a user when the medical instrument is internally disposed within the living body, said plurality of linear portions defining a plurality of gaps therebetween; anda third layer which is formed on the second layer and includes a material containing the low-friction resin material;wherein the third layer directly contacts the marker and directly contacts the second layer at the plurality of gaps between the plurality of linear portions such that the marker is thereby disposed between the second layer and the third layer. 2. The medical instrument according to claim 1, wherein said marker has a function of indicating a position of the medical instrument main body in the living body and includes a material containing a pigment different in color from the pigment in the second layer. 3. The medical instrument according to claim 2, wherein the marker includes a first linear portion and a second linear portion made to intersect each other at a plurality of positions so that the marker as a whole is grid-like in shape. 4. The medical instrument according to claim 3, wherein the marker has the first linear portion and the second linear portion raised in radial directions of the medical instrument main body; and at intersection portions where the first linear portion and the second linear portion intersect each other, one of the first linear portion and the second linear portion is laid on the other. 5. The medical instrument according to claim 4, wherein the third layer has a raised portion which is raised from an outer surface thereof. 6. The medical instrument according to claim 2, wherein the marker is wound spirally. 7. The medical instrument according to claim 1, wherein the coating layer has a function of indicating a position of the medical instrument main body in the living body. 8. The medical instrument according to claim 1, wherein the first layer is the smallest in average thickness, among the first layer, the second layer and the third layer. 9. The medical instrument according to claim 1, wherein an average thickness of the second layer is equal to or greater than an average thickness of the third layer. 10. The medical instrument according to claim 1, wherein the second layer contains the binder resin material, and the content of the binder resin material is less than 0.5 times the binder resin material content of the first layer. 11. The medical instrument according to claim 1, wherein the low-friction material is a fluoro-resin material. 12. The medical instrument according to claim 1, wherein the pigment is an inorganic pigment. 13. The medical instrument according to claim 1, wherein the first layer contains a pigment which is different in color from the pigment in the second layer. 14. The material instrument according to claim 13, wherein the color of the pigment in the first layer is deeper than the color of the pigment in the second layer. 15. The medical instrument according to claim 1, wherein the marker disposed between the second layer and the third layer is separate and distinct from the second layer and the third layer.

이 특허에 인용된 특허 (58) 인용/피인용 타임라인 분석

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[미국특허] Medical instrument 원문보기

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