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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0455331 (1995-05-31) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 349 인용 특허 : 0 |
Manufacturing processes for apparatus, including slotted hypotube, for use as a catheter, a guidewire, a catheter sheath for use with catheter introducers or a drug infusion catheter/guidewire are disclosed. The manufacturing process includes creating a pattern of slots or apertures in a flexible me
Manufacturing processes for apparatus, including slotted hypotube, for use as a catheter, a guidewire, a catheter sheath for use with catheter introducers or a drug infusion catheter/guidewire are disclosed. The manufacturing process includes creating a pattern of slots or apertures in a flexible metallic tubular member, by processes including but not limited to, electrostatic discharge machining (EDM), chemical milling, ablation and laser cutting. These slots or apertures may be cut completely or partially through the wall of the flexible metallic tubular member. These manufacturing processes may include the additional step of encasing the flexible metallic member such that a fluid tight seal is formed around the periphery of the tubular member.
[ What is claimed is:] [1.] A method for producing a flexible tubular device comprising:a. providing a tubular element including an outer surface, the tubular element being sized for intravascular insertion within a human body;b. providing a light source; andc. creating a desired pattern on the tubu
[ What is claimed is:] [1.] A method for producing a flexible tubular device comprising:a. providing a tubular element including an outer surface, the tubular element being sized for intravascular insertion within a human body;b. providing a light source; andc. creating a desired pattern on the tubular element by:1) applying a photoresistive material to at least a portion of the outer surface of the tubular element;2) providing a mask intermediate the tubular element and the light source, at least a portion of the mask including a mask pattern having locations translucent to light from the light source;3) activating the light source to selectively expose the photoresistive material on the outer surface of the tubular element, such that exposed and unexposed locations are created on the photoresistive material;4) developing the photoresistive material on the tubular element; and5) removing segments of the tubular element corresponding to either the exposed or unexposed locations of the photoresistive material such that the tubular element is provided with the desired pattern, the desired pattern including a plurality of apertures that extend completely through the tubular element between an inner and outer diameter of the tubular element, the plurality of apertures being arranged and configured for providing the tubular element with in a desired flexibility suitable for intravascular operations.
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