1
Wilson Bruce C: Kinetic memory electrodes, catheters and cannulae. Cushman Darby & Cushman, June 24, 1975: US3890977 (363 worldwide citation)

A conductive electrode-catheter, biological catheter cannula or the like which is easily inserted into the body and which is effectively anchored into a desired organ or tissue or properly located within a target cavity. The electrode, catheter, or the like incorporates a material, such as a known t ...


2
Jean Marie Lefebvre: Filter for medical use. Shenier & O Connor, February 5, 1991: US04990156 (279 worldwide citation)

A medical filter and catheter for positioning and using the filter, which filter is particularly intended to be implanted in a blood vessel such as the inferior vena cava through the endovenous route via a catheter. The filter has a filtering section which opens out inthe vessel when it is in positi ...


3
Peter M Bonutti, James S Hawkins: Expandable cannula. Peter M Bonutti, Tarolli Sundheim Covell Tummino & Szabo, October 5, 1999: US05961499 (241 worldwide citation)

Cannulas for surgical and medical use expand along their entire lengths. The cannulas are inserted through tissue when in an unexpanded condition and with a small diameter. The cannulas are then expanded radially outwardly to give a full-size instrument passage. Expansion of the cannulas occurs agai ...


4
Medical instrument for removing foreign bodies. Ruesch & Co Kg Willy, November 21, 1979: GB2020557-A (238 worldwide citation)

This invention relates to a medical instrument for the removal of foreign bodies out of physiological channels, such as ureters, arteries, bronchi and suchlike, having a flexible tube 1 for insertion into the physiological channel involved, said tube having an operating element 5 at its operator end ...


5
Shermeta Dennis William: Gastrostomy tube. Mon Donald D, October 28, 1975: US3915171 (228 worldwide citation)

A gastrostomy tube for insertion into the stomach and for retention as a consequence of bearing engagement against the inside stomach wall and the outside abdominal wall. A conduit carries a stiffly flexible retention bulb which can be collapsed by a stylet for insertion through a stab wound through ...


6
Karnegis James N: Disposable percutaneous intracardiac pump and method of pumping blood. March 9, 1971: US3568659 (195 worldwide citation)

A heart pump is provided including a catheter and catheter tube having at its extremity a series of longitudinally extending ribs extending in angularly spaced relation about the catheter. The ribs are enclosed within a resilient tube which is expanded and contracted by said ribs to more or less fil ...


7
Cook William A, Osborne Thomas A: Apparatus and method for suprapubic catheterization. Cook, Woodard Weikart Emhardt & Naughton, December 9, 1975: US3924633 (152 worldwide citation)

Apparatus and method for suprapubic catheterization of a bladder when the catheter must remain in situ for a prolonged period. The catheter includes a flexible tension member secured near its distal end and passing through an opening in the catheter to its proximal end, whereby, when the member is d ...


8
Adair Edwin Lloyd: Retention catheter and suprapubic shunt. September 19, 1972: US3692029 (147 worldwide citation)

Retention catheter or suprapubic shunt of the expandable wing type characterized by a retainer comprising a sleeve affixed to a trochar tube, a second sleeve axially slidable on the tube, the wings extending between the sleeves, the slidable sleeve having spokes extending through longitudinal slots ...


9
Rosenbluth Robert F: Apparatus for treating hypertrophy of the prostate gland.. Advanced Surgical Intervention, July 20, 1988: EP0274846-A1 (146 worldwide citation)

Disclosed is a method and apparatus for treatment of hypertrophy of the prostate gland. The apparatus comprises an expansion catheter (1) having an expandable tubular stent (18) associated therewith, adapted for transurethral insertion via the external opening of the urethra and placement within a s ...


10
Imran Mir A: Endocardial mapping and ablation system and catheter probe and method.. Cardiac Pathways, August 19, 1992: EP0499491-A2 (142 worldwide citation)

Endocardial mapping and/or ablation system (21) for introduction into a chamber of the heart formed by a wall, by passage through a lumen leading to the chamber in the heart having blood therein, comprising a catheter probe (22) with proximal and distal extremities (37, 38) and having an elongate tu ...