1
Hans I Wallsten: Prosthesis comprising an expansible or contractile tubular body. Shepherd Patents, Burns Doane Swecker & Mathis, April 7, 1987: US04655771 (1566 worldwide citation)

A prosthesis for transluminal implantation comprising a flexible tubular body which has a diameter that is variable by axial movement of the ends of the body relative to each other and which is composed of several individual rigid but flexible thread elements each of which extends in helix configura ...


2
Hans I Wallsten: Prosthesis comprising an expansible or contractile tubular body. Shepherd Patents, Burns Doane Swecker & Mathis, September 4, 1990: US04954126 (806 worldwide citation)

A prosthesis for transluminal implantation comprising a flexible tubular body which has a diameter that is variable by axial movement of the ends of the body relative to each other and which is composed of several individual rigid but flexible thread elements each of which extends in helix configura ...


3
Hans I Wallsten, Christian Imbert: Self-expanding prosthesis. Medinvent, Burns Doane Swecker & Mathis, October 29, 1991: US05061275 (670 worldwide citation)

A resilient, elastic self-expanding prosthesis comprising a flexible tubular body, the diameter of which is variable under axial movement of the ends of the body relative to each other, said body being composed of several individual rigid but resiliently flexible thread elements with spring properti ...


4
Hans I Wallsten, Christian Imbert: Device for implantation and a method of implantation in a vessel using such device. Medinvent, Burns Doane Swecker & Mathis, March 22, 1988: US04732152 (644 worldwide citation)

A device and method for implantation of a prosthesis provides for insertion of the prosthesis in a location which is difficult to access. The prosthesis is held in a radially contracted state by the device. An expandable chamber within the device permits relative movements between elements of the de ...


5
Dierk Maass, Hans I Wallsten: Device for application in blood vessels or other difficultly accessible locations and its use. Medinvent, Burns Doane Swecker & Mathis, November 19, 1985: US04553545 (586 worldwide citation)

Device comprising a helically shaped spiral spring and means for bringing the spring to expand from a first state of a certain diameter to a second state of larger diameter and vice versa, characterized thereby that said means are arranged to rotate the ends of the spring relative to each other with ...


6
Hans I Wallsten, Christian Imbert: Device for transluminal implantation. Medinvent, Burns Doane Swecker & Mathis, July 18, 1989: US04848343 (367 worldwide citation)

A device for transluminal implantation of a substantially tubular, radially expansible prosthesis (2), comprising in combination such prosthesis (2) and concentric therewith a flexible probe (1) with means (200) for maintaining said prosthesis (2) in a radially contracted state and for releasing sam ...


7
Hans I Wallsten: Device for transluminal implantation or extraction. Medinvent, Burns Doane Swecker & Mathis, February 5, 1991: US04990151 (308 worldwide citation)

A device for transluminal implantation or extraction of a substantially tubular, radially selfexpanding stent (27), comprising a central tube (3) surrounded by an exterior tube (5) axially displaceable relative to the central tube (3), and a plurality of axially extending spring members (21) attache ...


8
Hans I Wallsten: Device for hyperthermia treatment. Burns Doane Swecker & Mathis L, November 5, 1996: US05571153 (92 worldwide citation)

A device for hyperthermia treatment in a body cavity or duct which has a narrow access pathway includes an elongate distal section for insertion into the body cavity comprising a centrally-located heat-releasing element enclosed by an elastic enclosure. The heat-releasing element is either surrounde ...


9
Hans I Wallsten, Hirotsugu K Yasuda: Cascade arc plasma torch and a process for plasma polymerization. Plasmacarb, Burns Doane Swecker & Mathis, August 14, 1990: US04948485 (38 worldwide citation)

The present invention is directed to an arrangement of cascade arc plasma torches in a process for plasma polymerization. The arrangement is utilized in low temperature plasma polymerization coating and utilizes a plasma reactor with concentric electroconductive rings separated by insulator rings. T ...


10
Hans I Wallsten: Coating delivered as bubbles. Inventing, Lerner David Littenberg & Samuel, June 12, 1979: US04158076 (36 worldwide citation)

In a method of treating a surface such as a paper web with a treating agent, the treating agent is foamed under pressure and delivered via a passsageway to an application zone so as to come into close proximity with the surface to be treated which may be moved continuously past the application zone. ...