Invention Grant
- Patent Title: Tissue cutter with differential hardness
- Patent Title (中): 组织切割机具有差异硬度
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Application No.: US12432686Application Date: 2009-04-29
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Publication No.: US09095366B2Publication Date: 2015-08-04
- Inventor: Roy Hewitt Sullivan , Albert Chun-Chi Chin , Eric Karl Litscher , William Lucas Churchill , Ronald David Adams , William Harwick Gruber , David Jacobs
- Applicant: Roy Hewitt Sullivan , Albert Chun-Chi Chin , Eric Karl Litscher , William Lucas Churchill , Ronald David Adams , William Harwick Gruber , David Jacobs
- Applicant Address: US MA Marlborough
- Assignee: HOLOGIC, INC.
- Current Assignee: HOLOGIC, INC.
- Current Assignee Address: US MA Marlborough
- Agency: Vista IP Law Group LLP
- Main IPC: A61B17/32
- IPC: A61B17/32 ; A61B17/3205 ; A61B17/42 ; A61M1/00 ; A61B17/3201 ; A61B17/3207 ; A61B17/34 ; A61B17/00 ; A61B17/29 ; A61B18/14
Abstract:
Disclosed is a tubular cutting element for axial reciprocal movement within an outer tubular sleeve. The cutting element has an elongate tubular body, having a proximal end, a distal end and a cutting tip. The tubular body is formed in a drawing operation and the cutting tip is formed in a milling operation. The tubular body may have a Rockwell C hardness of no more than about 40, and the cutting tip may have a Rockwell C hardness of at least about 50.
Public/Granted literature
- US20090270896A1 TISSUE CUTTER WITH DIFFERENTIAL HARDNESS Public/Granted day:2009-10-29
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