1
Jeffrey R Oberlin, Christopher L Johnson, David A Dunlap: Articulated surgical instrument with improved firing mechanism. Richard Allan Medical, Howard & Howard, August 25, 1998: US05797537 (875 worldwide citation)

This invention provides articulated surgical instruments for use in laparoscopic surgical procedures including, in general, a handle, an elongated shaft, and an articulated tip. A gap extends longitudinally between the shaft and the tip. The instruments further include a flexible compression drive m ...


2
Lars R Chrisman, Scott H Heneveld, Stephen F Peters: Surgical instrument with improvement safety lockout mechanisms. Richard Allan Medical, Howard & Howard, June 9, 1998: US05762255 (767 worldwide citation)

This invention provides surgical instruments having improved lockout mechanisms. The surgical instruments are of the type which have an operating mechanism for repeatedly performing a surgical procedure and a control mechanism for manipulating the instrument between a neutral position and a ready po ...


3
Hugh Melling, Christopher L Johnson, Jeffrey R Oberlin: Articulated surgical instrument with improved jaw closure mechanism. Richard Allan Medical, Howard & Howard, October 13, 1998: US05820009 (725 worldwide citation)

This invention provides an articulated surgical instrument for use in laparoscopic surgical procedures including, in general, a handle, an elongated shaft, and a tip. The shaft is coupled to the handle, and the tip is pivotally coupled to the distal end of the shaft for articulation about an articul ...


4
Denise M Simon, Randall J Hoyt: Surgical staple and stapler. Richard Allan Medical, Howard & Howard, March 10, 1998: US05725554 (705 worldwide citation)

A surgical staple and stapler for use in stapling together the tissue of a patient. The staple is a rounded M-shape or gull wing shape in form. The surgical staple has a base which is bent downward in the center while the legs of the staple at each end of the base are outwardly bent. The outwardly b ...


5
Jeffrey R Oberlin, Randall J Hoyt: Surgical Instrument with adjustable arms. Richard Allan Medical, October 8, 1996: US05562682 (537 worldwide citation)

A surgical instrument for endoscopic surgery is provided which is capable of articulation in the endoscopic arm portion of the instrument to supply the surgeon with improved adjustability in the orientation of the arm. The instrument provides means through which the surgeon can change the angle at w ...


6
Denise M Simon, Darren Saravis: Hemostatic clip applicator. Richard Allan Medical, Neuman Williams Anderson & Olson, September 17, 1991: US05049152 (169 worldwide citation)

The present invention relates to an improved reciprocating jaw type hemostatic clip applier or ligator. The improved apparatus is provided with an improved camming mechanism which interfaces with the jaws to cam the jaws closed and which is designed to maintain its alignment with respect to the jaws ...


7
David A Dunlap, Douglas J Medema, Hugh Melling, Jeffrey W Zerfas: Trocar assembly. Richard Allan Medical, Leydig Voit & Mayer, July 23, 1996: US05538509 (164 worldwide citation)

A trocar for use in surgical procedures including a cannula for maintaining a sealed working channel in a body wall and an obturator which creates the working channel through the body wall while protecting patients and medical personnel from harm is disclosed. A cannula converter which can be employ ...


8
Christopher J Brooks, Jeffrey A Stein, Paul J Mulhauser: Hemostatic clip applicator for applying multiple hemostatic clips. Richard Allan Medical, Neuman Williams Anderson & Olson, July 25, 1989: US04850355 (158 worldwide citation)

The present invention relates to an apparatus for applying hemostatic or ligating clips. The apparatus is provided with a unitary chassis on which all other components are attached. A clip housing is disposed at the forward end of the apparatus and stores a plurality of abuttingly arranged forward f ...


9
Martin L Flatland, Jeffrey W Zerfas: Seal for surgical instruments. Richard Allan Medical, Howard & Howard, May 19, 1998: US05752938 (127 worldwide citation)

An adaptable seal for use in a trocar or trocar converter is provided. The seal comprises a membrane having a radially proximal edge and a radially distal edge, at least one lobe terminating at said band, and preferably a band located at the radially proximal edge. The seal is thus able to adaptably ...


10
Jeffrey A Stein: Surgical clip. Richard Allan Medical, Neuman Williams Anderson & Olson, July 4, 1989: US04844066 (75 worldwide citation)

The present invention relates to a surgical clip for occluding the flow of blood through a blood vessel, artery or vein. The clip formed with longitudinal and transverse or lateral notches to prevent both longitudinal and lateral slippage of the clip with respect to the vessel. The clip is also prov ...