1
Christopher H Porter: Self-expanding prosthesis having stable axial length. Schneider, Haugen and Nikolai, November 12, 1991: US05064435 (1064 worldwide citation)

A body implantable stent consists of two or more generally tubular, coaxial and slidably connected stent segments. Each of the stent segments is of open weave construction, formed of multiple braided, helically wound strands of resilient material. The stent is elastically deformed to a reduced radiu ...


2
Paul L Termin, Christopher H Porter: Radially expandable fixation member. Schneider, Haugen and Nikolai, December 10, 1991: US05071407 (718 worldwide citation)

An open weave fixation device is secured to a distal end region of a catheter or other diagnostic or treatment device, for either temporarily or permanently fixing the device within a body cavity. In one approach, the fixation element is constructed of braided, helically wound filaments of resilient ...


3
Joel Cooper, Sally L Winegar Hentges, Robert P Nelson, Kemal Schankereli, Kristine M Teich: Soft tissue stapling buttress. Bio Vascular, Haugen and Nikolai P A, August 27, 1996: US05549628 (638 worldwide citation)

To reinforce a line of surgical staples in host tissue, a strip of xenogeneic or autogenic tissue, such as cross-linked pericardium or dura mater harvested from horses, cows, pigs, sheep and humans, is appropriately adhered to the apposed surfaces of a staple cartridge supporting jaw and an anvil ja ...


4
David J Parins, Mark A Rydell, Peter Stasz: Ablation catheter with selectively deployable electrodes. Everest Medical Corporation, Haugen and Nikolai, June 30, 1992: US05125928 (638 worldwide citation)

A RF ablation catheter for removing athero-stenotic lesions or modifying the tissue characteristics of the interior walls of selected blood vessels is described. The catheter is characterized in having a tip member which during the initial placement of the catheter within the vascular system so that ...


5
Mark A Rydell: Electrosurgical instrument having needle cutting electrode and spot-coag electrode. Everest Medical Corporation, Haugen and Nikolai, April 16, 1991: US05007908 (634 worldwide citation)

An electrosurgical instrument for use in combination with an endoscope for cutting tissue and cauterizing/coagulating the resulting wound area is described. The instrument comprises an elongated flexible tubular member having a proximal end, a distal end, and plural lumens extending therebetween. Af ...


6
Joel Cooper, Sally L Winegar Hentges, Robert P Nelson, Kemal Schankereli, Kristine M Teich: Soft tissue stapling buttress. Bio Vascular, Haugen and Nikolai P A, November 19, 1996: US05575803 (606 worldwide citation)

A prosthetic article for surgical implantation within the body of a host in a surgical stapling procedure comprises a strip of host-tissue-compatible animal tissue material that is initially removably affixed between the spaced-apart legs a U-shaped buttress member to create a tubular configuration ...


7
Ralph T Francis, Mark E Hughes, Anne E Claeson, Joel Cooper: Apparatus and method for producing a reinforced surgical fastener suture line. Bio Vascular, Haugen and Nikolai P A, May 19, 1998: US05752965 (605 worldwide citation)

An apparatus and method for providing reinforced surgical fastener suture lines to prevent tissue tearing and fluid leakage following the creation of an anastomosis, the closing of margins following the removal of diseased tissue, and/or the ligating and dividing of individual blood vessels. A retai ...


8
Mark A Rydell, Joseph A O Brien: Bipolar coagulation and cutting forceps. Everest Medical Corporation, Haugen and Nikolai, August 29, 1995: US05445638 (580 worldwide citation)

A bipolar electrosurgical device for coagulating and cutting tissue has an elongated tubular member from which a bipolar tissue cutting forceps and cutting instrument extends at the distal end. The cutting instrument is connected to a moveable rod extending through the lumen of the tubular member. A ...


9
Boaz Avitall: Deflectable loop electrode array mapping and ablation catheter for cardiac chambers. Haugen and Nikolai, November 23, 1993: US05263493 (575 worldwide citation)

A cardiac arrhythmia mapping and ablation catheter has a main catheter that is provided with a mapping and ablation system attached to its distal end which includes an adjustable loop carrying an electrode array including a plurality of parallel-connected, separately operable mapping/ablation electr ...


10
Peter Stasz: Ultrasonically enhanced RF ablation catheter. Everest Medical Corporation, Haugen and Nikolai, June 26, 1990: US04936281 (572 worldwide citation)

An electrosurgical angioplasty catheter with ultrasonic enhancement is described. It comprises an elongated, flexible plastic tubular body having located at its distal tip an electrode structure for effecting rf cutting along with a transducer for ultrasonically driving the rf cutting electrodes and ...