1
David P Summers, Gary Ball: Percutaneous filter for carotid angioplasty. American Biomed, Nick A Nichols Jr, December 9, 1997: US05695519 (370 worldwide citation)

A distal intravascular filter is disclosed for filtering blood flow therethrough and entrapping and retaining embolic debris. The intravascular filter including a small diameter hollow guide wire or tube capable of percutaneous placement of the distal end thereof beyond a carotid stenosis. The dista ...


2
David P Summers: Artificial support for a blood vessel. American BioMed, Marcella D Watkins, David A Rose, August 30, 1994: US05342387 (317 worldwide citation)

A stent comprising a coil including a plurality of arcuate sections that alternate directions around a central axis, each arcuate section including a pair of curved turns joined by a cusp, and the cusps of adjacent arcuate sections intermeshing and defining at least one region of overlap, which in t ...


3
David P Summers: Stent for supporting a blood vessel. American BioMed, Conley Rose & Tayon P C, March 4, 1997: US05607445 (252 worldwide citation)

A stent comprising a coil including a plurality of arcuate sections that alternate directions around a central axis, each arcuate section including a pair of curved turns joined by a cusp, and the cusps of adjacent arcuate sections intermeshing and defining at least one region of overlap, which in t ...


4
David P Summers: Distal atherectomy catheter. American BioMed, Gunn Lee & Miller, February 11, 1992: US05087265 (220 worldwide citation)

This disclosure sets out a catheter for bodily insertion. The catheter tip supports an elongate hollow housing with a window for occlusive material cutting, a cutter head on the interior rotates, driven by a drive wire in the hollow catheter tube. In addition, the cutter head reciprocates or oscilla ...


5
David P Summers, Gail L Brinson: Distal atherectomy catheter. American BioMed, Gunn & Kuffner, July 11, 1995: US05431673 (215 worldwide citation)

A distal atherectomy catheter is disclosed for removing obstructions, plaque, stenosis, occlusions, or the like from an artery or coronary vessel. The catheter comprises a flexible, hollow catheter tube. A reciprocating, and rotating or oscillating cutting element is located within a cylindrical hou ...


6
David P Summers, Jackie R See: Composition and method for making a biodegradable drug delivery stent. Endovasc, Nick A Nichols Jr, November 9, 1999: US05980551 (210 worldwide citation)

A stent or vascular graft for supporting a blood vessel or organ lumen is coated with a biodegradable, resorbable and hemocompatible surface substrate. Biologically active microspheres which controllably release the biologically active agent into the vessel wall or organ to inhibit restenosis of the ...


7
David P Summers: Distal atherectomy catheter. American Biomed, Gunn Lee & Miller, February 19, 1991: US04994067 (206 worldwide citation)

A distal atherectomy catheter comprises a flexible outer catheter tube housing a reciprocal cutting element at its distal end. The cutting element is connected to an inner catheter tube concentrically located within the outer catheter tube. An annular passage defined between the inner and outer tube ...


8
Ned H C Hwang, David P Summers: Helifoil pump. American Biomed, Gunn Lee & Miller, November 13, 1990: US04969865 (177 worldwide citation)

A temporary circulatory assist pump is disclosed for implantation in the heart of a patient through the femoral artery. The pump is driven by a flexible drive shaft extending through a catheter and being connected to a power source outside the body of the patient. The pump utilizes a helical-shaped ...


9
David P Summers: Atherectomy catheter. American Biomed, Gunn Lee & Miller, July 25, 1989: US04850957 (154 worldwide citation)

An atherectomy catheter is disclosed comprising an outer catheter tube and an inner catheter tube centrally received within the outer catheter tube and defining an annular passage therebetween. A hydraulic motor is housed within the inner catheter tube and includes a cutting element connected to the ...


10
David P Summers: Spinal disc surgical instrument. American BioMed, Gunn & Kuffner, January 24, 1995: US05383884 (118 worldwide citation)

The surgical instrument of the present invention includes a cannula shaft terminating in a cutting window at the distal end of the cannula shaft. The proximal end of the cannula shaft is supported by a handle having an axial bore extending therethrough. A flexible drive shaft, connected at one end t ...