【発明の名称】外科用メス

Japanese Patent JP3016559

B2

A scalpel (10) of the present invention includes an elongate handle (50) defining a longitudinal axis and having a proximal end and a distal end. The scalpel (10) of the invention further includes a cartridge that is removably mounted to the handle (50). The cartridge has blade holder (20) with a proximal end and a distal end with a blade (12) fixedly attached that is disposed so that the blade (12) projects distally outwardly when the cartridge is mounted to the handle (50). The cartridge also includes a shield (70) that is slidably mounted onto the blade holder (20) for movement between a distal position where the shield (70) substantially prevents inadvertent access to the blade (12) and a proximal position where the shield (70) substantially surrounds a portion of the handle (50) and the blade (12) is exposed for use. The cartridge is releasably mountable on the handle (12). The shield (70) is substantially prevented from movement to the proximal position unless the cartridge is mounted on the handle (50) and not dismountable from the handle (50) unless the shield is in the distal position.

WO/2000/032114	SCALPEL BLADE EXCHANGE APPARATUS AND METHOD
WO/2012/088129	SAFETY SUTURE CUTTING DEVICE AND METHOD
JP2936081	[Title of Invention] Microwave Surgical Instrument

Simon Cone
Paul Decessor
Michael Jay Carter
John Dee Swenson
Anne Sea Eckert
Noel Galibian
Craig Dee Newman

JP9176399A

March 06, 2000

March 31, 1999

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BECTON, DICKINSON AND COMPANY

A61B17/3211; A61B17/32; B26B29/02; (IPC1-7): A61B17/32

JP856952A
JP9122137A
JP8206125A

【文献】米国特許5299357(US,A)
【文献】米国特許5527329(US,A)

Kazuo Shamoto (5 outside)

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