1
Janine C Jagger, Richard D Pearson, Patrice G Guyenet: Retractable safety needle. The University of Virginia Alumni Patents Foundation, James C Wray, June 30, 1987: US04676783 (149 worldwide citation)

An intravenous needle with a sharpened distal end has a proximal end fixed within a first enlarged end of an inner tube. The enlarged end of the inner tube is held tightly within a first end of an outer tube by friction. The needle passes through a constricted opening in the first end of the outer t ...


2
InBae Yoon: Retractable safety needle instrument with movable safety member. July 14, 1998: US05779680 (41 worldwide citation)

A safety needle instrument for establishing a portal in the wall of an anatomical cavity includes a housing, a cannula either fixed to the housing or distally-biased and movable relative to the housing between an extended rest position and a proximally spaced retracted position, a needle disposed wi ...


3
William Saulenas, Michelle V Sullivan, Bradley Wilkinson, Kirk D Swenson: Retracting needle safety device. Becton Dickinson and Company, Mark J Schildkraut, February 27, 2007: US07182734 (40 worldwide citation)

A retractable safety needle assembly is provided. The needle assembly includes a tubular outer body, a retraction assembly contained with the outer body and a biasing element for applying a retraction force therebetween. The retraction assembly includes a cannula having an intravenous puncture tip a ...


4
Bradley M Wilkinson: Retractable safety needle. Becton Dickinson and Company, Mark Lindsey, August 21, 2007: US07258678 (17 worldwide citation)

A retractable safety needle apparatus is provided. The apparatus includes a needle holder with opposite proximal and distal ends. A needle assembly is mounted in the needle holder for movement from a first position where a distal cannula projects distally beyond the needle holder and a second positi ...


5
Saulenas William G, Wilkinson Bradley M, Niermann Volker, Swenson Kirk D: Retractable safety needle. Becton Dickinson Co, April 6, 2005: EP1520598-A2

This invention refers to a retractable safety needle comprising: a needle hub (36), a needle cannula (34), said proximal end of said needle cannula (34) being securely mounted in said passage at said distal end of said needle hub (36); a resiliently deflectable actuator arm (60) extending from said ...


6
Saulenas William G, Wilkinson Bradley M, Niermann Volker, Swenson Kirk D: Retractable safety needle. Becton Dickinson Co, March 30, 2005: EP1518576-A2

This invention refers to a retractable safety needle comprising: a needle hub (36), a needle cannula (34) being mounted at said needle hub (36); a resiliently deflectable actuator arm (60) extending from said needle hub (36), an actuator button being formed on said actuator arm (60); a barrel (20,22 ...


7
Saulenas William G, Wilkinson Bradley M, Niermann Volker, Swenson Kirk D: Retractable safety needle. Becton Dickinson Co, March 30, 2005: EP1518577-A2

This invention refers to a retractable safety needle comprising: a needle hub (36), a needle cannula (34) being securely mounted at said needle hub (36); a resiliently deflectable actuator arm (60) extending from said needle hub (36), an actuator button being formed on said actuator arm (60) and pro ...


8
Saulenas William G, Wilkinson Bradley M, Niermann Volker, Swenson Kirk D: Retractable safety needle. Becton Dickinson Co, March 30, 2005: EP1518578-A2

This invention refers to a retractable safety needle comprising: a needle hub (36), a needle cannula (34) being securely mounted at said needle hub (36); a resiliently deflectable actuator arm (60) extending from said needle hub (36), an actuator button being formed on said actuator arm (60); a barr ...


9
Saulenas William, Sullivan Michelle V, Wilkinson Bradley, Swenson Kirk D: Retracting needle safety device. Becton Dickinson Co, June 9, 2004: EP1425058-A1

A retractable safety needle assembly (24) is provided. The needle assembly includes a tubular outer body (20), a retraction assembly (60) contained with the outer body (20) and a biasing element (88) for applying a retraction force therebetween. The retraction assembly (60) includes a cannula (62) h ...


10
Bradley M Wilkinson: Retractable safety needle. Becton Dickinson and Company, Casella & Hespos, September 18, 2003: US20030176843-A1

A retractable safety needle apparatus is provided. The apparatus includes a needle holder with opposite proximal and distal ends. A needle assembly is mounted in the needle holder for movement from a first position where a distal cannula projects distally beyond the needle holder and a second positi ...