1
Philip N Sawyer: Collagen welding rod material for use in tissue welding. Interface Biomedical Laboratories, Pennie & Edmonds, October 20, 1992: US05156613 (393 worldwide citation)

A method of joining or reconstructing biological tissue which comprises applying optical energy to the biological tissue while providing a collagen filler material thereto; denaturing the collagen filler material and biological tissue with the optical energy to cause joining of the collagen filler m ...


2
Philip N Sawyer: Anti-turbulent, anti-thrombogenic intravascular stent. Interface Biomedical Laboratories, Pennie & Edmonds, April 28, 1992: US05108417 (260 worldwide citation)

An anti-turbulent, anti-thrombogenic intravascular stent of a helically shaped titanium or aluminum strip having an airfoil on internal surfaces thereof for increasing blood flow velocity through the stent without creating areas of stagnant or turbulent flow therein.


3
Philip N Sawyer, Philip M Sawyer, Cary J Reich: Methods for sealing of staples and other fasteners in tissue. Fusion Medical Technologies, Townsend and Townsend and Crew, November 25, 1997: US05690675 (238 worldwide citation)

Wounds in lung tissue are closed in a two step method consisting essentially of applying fasteners to a region adjacent to the wound, wherein the fasteners may cause penetrations. The fasteners are present in a preformed layer of collagen, fibrin, fibrinogen, elastin, albumin, or a combination there ...


4
Philip N Sawyer, Donald G Wallace, Ronald K Yamamoto: Method for bonding or fusion of biological tissue and material. Fusion Medical Technologies, Townsend and Townsend and Crew, May 12, 1998: US05749895 (194 worldwide citation)

Biological materials are joined, repaired or fused by heating the material in proximity to a mechanical support. Preferably, the mechanical support comprises a patch or bridge structure. In the most preferred embodiment, the patch is formed from collagen having a thickness from between 2 to 30 mils, ...


5
Philip N Sawyer: Methods for joining tissue by applying radiofrequency energy to performed collagen films and sheets. Fusion Medical Technologies, Townsend and Towsend and Crew, September 23, 1997: US05669934 (188 worldwide citation)

A method for joining or restructuring tissue consists essentially of providing a preformed film or sheet of a solid filler material which fuses to tissue upon the application of energy. The material comprises collagen, gelatin, mixtures thereof, optionally combined with a plasticizer, and the film m ...


6
Philip N Sawyer: Method for welding biological tissue. Fusion Medical Technologies, Townsend and Townsend and Crew, October 20, 1998: US05824015 (168 worldwide citation)

A method for joining or reconstructing biological tissue comprises providing a solid filler material in the form of a preformed sheet, where the sheet comprises collagen, gelatin or a mixture thereof. The filler material is placed over tissue. Radiofrequency energy or optical energy is thereafter ap ...


7
Philip N Sawyer, Joseph F Fitzgerald: Methods for preventing the introduction of air or fluid into the body of a patient. Interface Biomedical Laboratories, Pennie & Edmonds, February 2, 1988: US04722725 (147 worldwide citation)

Methods for preventing the introduction of air into the vascular system of a patient during intravenous or intraarterial procedures, as well as for preventing the reflex of fluids into the body of a patient. Also, novel fluid directing means and catheters which include integal or attached fluid flow ...


8
Philip N Sawyer: Bandage with hemostatic agent and methods for preparing and employing the same. Posnack Roberts Cohen & Spiecens, June 28, 1983: US04390519 (101 worldwide citation)

An improved hemostatic article is made by combining collagen or a collagen-like substance with a pad or sponge. The thusly modified pad or sponge is employed to control or terminate bleeding.


9
Philip N Sawyer: Intravascular stent and method for conditioning the surfaces thereof. Interface Biomedical Laboratories, Pennie & Edmonds, September 6, 1994: US05344425 (99 worldwide citation)

An anti-turbulent, anti-thrombogenic intravascular stent of a helically shaped titanium or aluminum strip having an airfoil on internal surfaces thereof for increasing blood flow through the stent without creating areas of stagnant or turbulent flow therein. Also, a method for cleaning the stent for ...


10
Philip N Sawyer: Hemostatic article and methods for preparing and employing the same. Posnack Roberts Cohen & Spiecens, September 20, 1983: US04404970 (84 worldwide citation)

An improved hemostatic article is made by combining collagen or a collagen-like substance with a pad or sponge. The thusly modified pad or sponge is employed to control or terminate bleeding.