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Guidewires with lubricious surface and method of their production

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • A61M-025/00
  • A61M-005/00
  • C08F-020/44
출원번호 US-0864472 (1992-04-06)
발명자 / 주소
  • Stoy George P. (South Brunswick Township
  • Middlesex County NJ) Stoy Vladimir A. (Princeton NJ)
출원인 / 주소
  • Kingston Technologies, Inc. (Dayton NJ 02)
인용정보 피인용 횟수 : 119  인용 특허 : 0

초록

The present invention guidewire involves an elongated, non-hydrogel core element forming an inner part of the device, and an integral outside tubular layer of elastomeric hydrogel (“hydrogel sleeve”). This outer hydrogel layer has unique physical characteristics. They are (a) Gradient of chemical co

대표청구항

A guidewire for insertion of tubular instruments into a body, which comprises: (a) a core element having sufficient rigidity to be inserted into a body; (b) an outside tubular layer about said core element, forming an elastomeric hydrogel sleeve, said sleeve having; (i) a chemical composition gradie

이 특허를 인용한 특허 (119)

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