1
Andrew H Cragg, Rodney Brenneman, Mark Ashby: System and method for facilitating hemostasis of blood vessel punctures with absorbable sponge. Sub Q, Burns Doane Swecker & Mathis L, December 19, 2000: US06162192 (141 worldwide citation)

A system for facilitating hemostasis of a puncture site in a blood vessel injects an absorbable sponge pledget in a hydrated state at an exterior of the blood vessel puncture to facilitate hemostasis. The system includes a tract dilator for locating the puncture, an introducer, and a plunger. The in ...


2
Andrew H Cragg, Rodney Brenneman, Mark Ashby: Method of hydrating a sponge material for delivery to a body. Sub Q, Thelen Reid & Priest, August 26, 2003: US06610026 (124 worldwide citation)

A method of hydrating a sponge material for delivery to a body. The method includes the steps of placing a dry piece of sponge in a container at a first pressure. A hydrating fluid is then introduced into the container to hydrate the sponge. The pressure within the container is changed between the f ...


3
Andrew H Cragg, Rodney Brenneman, Mark Ashby: Device and method for facilitating hemostasis of a biopsy tract. SUB Q, Burns Doane Swecker & Mathis L, June 6, 2000: US06071301 (118 worldwide citation)

A system including an adaptor and a syringe is used for facilitating hemostasis of a biopsy tract or other puncture wound by injection of an absorbable sponge in a hydrated state into the wound. The adaptor includes a tapered lumen for hydrating and compressing the relatively large absorbable sponge ...


4
Eduardo Chi Sing, Mark Ashby: Absorbable sponge with contrasting agent. Sub Q, Burns Doane Swecker & Mathis L, February 6, 2001: US06183497 (102 worldwide citation)

An absorbable sponge containing a contrasting agent (e.g, radiopaque agent) that can be introduced to a biopsy tract or other puncture wound site is provided. The contrasting agent permits identification of the site by fluoroscopy or other imaging techniques.


5
Eduardo Chi Sing, Luis Urquidi, Mark Ashby, Andrew Cragg, Tom Furey, Robert Bowes, Vincent Tangherlini: Pledget-handling system and method for delivering hemostasis promoting material to a blood vessel puncture site by fluid pressure. Sub Q, Miller Matthias & Holl, March 20, 2007: US07192436 (97 worldwide citation)

A system and method for delivering a pledget of hemostasis promoting material to a blood vessel puncture to facilitate hemostasis, having an introducer sheath having an inner diameter and an outer diameter, a control tip coupled to the introducer sheath, and a self-expandable member disposed around ...


6
Mark Ashby, Vaughn P Whalen, Eduardo Chi Sing: Device and method for facilitating hemostasis of a biopsy tract. Sub Q, Thelen Reid & Priest, January 25, 2005: US06846320 (73 worldwide citation)

A biopsy cannula and a delivery catheter are configured to deliver one or more absorbable sponge pledgets to a biopsy site after removal of one or more tissue samples from the site. The delivery catheter allows a large amount of hydrated sponge material to be delivery to the biopsy site to facilitat ...


7
Andrew M Cragg, Rodney Brenneman, Mark Ashby, Eduardo Chi Sing: System and method for facilitating hemostasis of blood vessel punctures with absorbable sponge. Sub Q, Burns Doane Swecker & Mathis, November 13, 2001: US06315753 (68 worldwide citation)

A method of superhydrating an absorbable sponge for delivery to a body to facilitate hemostasis includes the step of subjecting the absorbable sponge to a high pressure fluid to hydrate the absorbable sponge. According to one method, a dry piece of absorbable sponge is placed in a delivery device. T ...


8
Charles C Hart, Paul D Hansen, Said Hilal, Mark Ashby, Lee L Swanstrom, Bounsavanh Pravongviengkham, John R Brustad: Perfusion-isolation catheter apparatus and method. February 6, 2001: US06183492 (63 worldwide citation)

A catheter includes an introducer and a flow isolator adapted for disposition in a primary conduit to facilitate flow in the primary conduit while inhibiting flow and intersecting secondary conduits. The flow isolator may include a tubular mesh and surrounding balloon structure. Alternatively, a sle ...


9
Mark Ashby, Luis R Urquidi, Eric Lee: System and method for facilitating hemostasis of blood vessel punctures with absorbable sponge. Sub Q, Robert E Krebs, Thelen Reid & Priest, April 1, 2003: US06540735 (60 worldwide citation)

A system for facilitating hemostasis of a puncture site in a blood vessel delivers an absorbable sponge pledget in a hydrated state to a position at an exterior of the blood vessel puncture to facilitate hemostasis. The system includes a staging chamber, a delivery cannula, and a pusher. The staging ...


10
Eduardo Chi Sing, Mark Ashby, Eric Lee, Charles C Hart: Access device with expandable containment member. Applied Medical Resources Corporation, Richard L Myers, April 3, 2001: US06210370 (58 worldwide citation)

An access device having a single sheath is inserted into a body passage puncture, with an expandable member of the access device held to a minimum diameter. The expandable member is held to the minimum diameter using structure that does not increase the diameter of the access device, rather than a l ...