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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0600608 (1996-02-13) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 664 인용 특허 : 0 |
A surgical access device and method are provided for endoscopic surgeries comprising biopsies or other surgical cutting procedures. The device generally comprises a substantially rigid first channel associated with a first port and a second channel associated with a second port of a proximal housing
A surgical access device and method are provided for endoscopic surgeries comprising biopsies or other surgical cutting procedures. The device generally comprises a substantially rigid first channel associated with a first port and a second channel associated with a second port of a proximal housing. The first or main channel extends to a curved distal end of the device, and the second channel is connected to a guide channel extending tangential to the main channel. The guide channel comprises substantially noncompliant material and has a pre-insertion position such that a cross-section of an inserted portion of the device is substantially the same as a cross-section of the main channel. A preferred method of the present invention includes the use of an open-loop device formed at a distal tip of an introducer and an aspiration tube during the location, excision and removal of one or more tissue specimens.
[ What is claimed is:] [1.] A surgical access device for obtaining tissue during endoscopic surgery, said surgical device having a proximal end, a distal end and an elongate body extending therebetween, said surgical access device also having an outer surface defining at any particular location alon
[ What is claimed is:] [1.] A surgical access device for obtaining tissue during endoscopic surgery, said surgical device having a proximal end, a distal end and an elongate body extending therebetween, said surgical access device also having an outer surface defining at any particular location along its longitudinal axis, a cross-sectional profile, said surgical access device comprising:a first channel providing a first lumen for the insertion of an instrument, endoscope or other visualization device;an open-loop member at a distal end of said first channel, said open-loop member having a transverse aperture formed therethrough, said aperture facing laterally outwardly from the longitudinal axis of said surgical access device; andat least one secondary channel providing a secondary lumen for the insertion of an instrument, endoscope or other visualization device, said secondary channel being mounted on said surgical access device so as to be positioned along said outer surface thereof, said secondary channel being constructed from a thin pleated membrane which, prior to dilation of said secondary channel, is self-retained along the outer surface of said first channel.
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