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, 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 ...


4
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 ...


5
Philip Nicholas Sawyer, Boguslaw Stanczewski: Endosteal bionic tooth and implantation method. Interface Biomedical Laboratories Corporation, Roberts & Cohen, June 7, 1977: US04027392 (81 worldwide citation)

An endosteal tooth in one form is made of an electrically conductive material and is provided with an implant (e.g., lower) socket portion and a removably mounted crown (e.g., upper) portion which houses therein a source of electrical current for the implant socket portion. By supplying electrical c ...


6
Philip N Sawyer: Anti-reflux, low friction, skirted hemostasis valve and introducer. Interface Biomedical Laboratories, Pennie & Edmonds, March 24, 1992: US05098406 (56 worldwide citation)

A fluid flow control device of tubular means having fluid input means and fluid output means connected by a bore constituting a flow channel, means for maintaining the bore in a normally closed position, the bore being forcible to an open position in response to insertion of a medical device into th ...


7
Philip N Sawyer, Joseph F Fitzgerald: Safety arrangement for preventing air embolism during intravenous procedures. Interface Biomedical Laboratories Corporation, Pennie & Edmonds, August 4, 1987: US04684364 (48 worldwide citation)

An intravenous system is provided which includes a source of intravenous fluid, a needle or catheter for insertion into the vascular system of a patient, a pump for pumping the intravenous fluid via the needle or catheter into the patient and catheters coupling the pump to the source and to the need ...


8
Philip N Sawyer, Joseph F Fitzgerald, Lester F Miller: Valve, catheter and method for preventing the introduction of air into the body of a patient. Interface Biomedical Laboratories, Pennie & Edmonds, November 15, 1988: US04784644 (46 worldwide citation)

A method for preventing the introduction of air into the vascular system of a patient during intravenous or intra-arterial procedures, as well as for preventing the reflux of fluids into the body of a patient. Also, novel fluid directing means and catheters which include integral or attached fluid f ...


9
Philip N Sawyer: Cardiac and vascular prostheses. Interface Biomedical Laboratories, Posnack Roberts Cohen & Spiecens, September 11, 1979: US04167045 (43 worldwide citation)

A prosthesis suitable for implantation in a bloody environment. The prosthesis includes a surface material adapted for exhibiting a regular and periodic surface charge characteristic in the bloody environment. A prosthesis means supports the surface material and is adapted to perform a prosthetic fu ...


10
Philip N Sawyer: Safety needle sheath in anti-reflux catheter having novel valve means. Interface Biomedical Laboratories, Pennie & Edmonds, November 28, 1989: US04883461 (28 worldwide citation)

Methods for preventing needle-stick injuries to healthcare workers during intravenous or intra-arterial procedures as well as for preventing catheter-contamination and blood clotting within the tip of the catheter. Also, novel fluid directing means and catheters which include integral fluid flow con ...