1
Parviz Kambin: Method for decompressing herniated intervertebral discs. Pilling Co, Howson and Howson, March 4, 1986: US04573448 (619 worldwide citation)

Decompression of herniated discs in the lumbar spine is carried percutaneously by the insertion of a specially designed cannulated trocar over a guide wire extending through the patient's back toward the herniated disc at an angle of approximately 35 degrees with respect to the patient's perpendicul ...


2
Hanson S Gifford III, John B Simpson, Peter S Brown: Atherectomy device for severe occlusions. Devices for Vascular Intervention, Townsend & Townsend, May 22, 1990: US04926858 (455 worldwide citation)

An atherectomy catheter for removal of plaque buildup from the walls of a blood vessel. The atherectomy catheter includes a cutter assembly disposed at the distal end of a flexible guide tube that may be inserted into a vessel and directed to the occlusion. A proximal actuator assembly is adapted to ...


3
Robert L Conta, Harvey N Wallach: Stapling instrument having an anvil-carrying part of particular geometric shape. United States Surgical Corporation, Robert R Jackson, John E Nathan, December 8, 1981: US04304236 (433 worldwide citation)

Apparatus for circular surgical stapling of hollow organs comprising an instrument and disposable cartridge assembly. The instrument comprises a housing with a throughbore in which a tube that is received for reciprocation by means of a manually operable squeeze handle. A rod reciprocates within the ...


4
Brian T Donohue: Cannula and drill guide apparatus. January 26, 1982: US04312337 (338 worldwide citation)

A cannula and guide apparatus for use in drilling and wiring fractured bones having generally scissor-like handle arms pivotally joined and having jaw extensions beyond the pivot point. A hollow tubular cannula section is mounted on each jaw extension such that when the handle arms are closed, the c ...


5
Marc H Effron, Henry J Tancredi: Surgical instrument for cutting body tissue from a body area having a restricted space. Cabot Medical Corporation, Austin R Miller, July 22, 1986: US04601290 (277 worldwide citation)

A surgical instrument and method for cutting and removing body tissue from a body area having a restricted space is provided. The cutter comprises an external cutting tube sized for insertion into the restricted space. The external tube has an opening therein with cutting edges thereon. An internal ...


6
John Nash: Spiral wire bearing for rotating wire drive catheter. August 18, 1987: US04686982 (237 worldwide citation)

A recanalizing catheter comprising a very small diameter, elongated, flexible tubular member having a distal end at which a tool is mounted for high speed rotation. A flexible drive assembly is located within the tubular member to power the tool. In one embodiment the drive assembly comprises a spir ...


7
Robert C Stevens, Robert R Braun: Drive catheter having helical pump drive shaft. Cordis Corporation, Watts Hoffmann Fisher & Heinke, August 15, 1989: US04857046 (215 worldwide citation)

A flexible drive catheter for removing deposits from the inner walls of a blood vessel to increase blood flow through the vessel. The catheter includes an outer sheath and a rotatable core coupled to a distal tip which directly contacts the deposits. An outer surface of the rotatable core defines a ...


8
Yutaka Yoshida, Shozo Hirayama, Hiroyuki Kusunoki, Yoshio Shishido, Kazumasa Matsuo, Morihide Mizumoto, Masahiko Kato, Tadao Hagino: Surgical cutting instrument. Olympus Optical, Ostrolenk Faber Gerb & Soffen, May 20, 1986: US04589414 (206 worldwide citation)

A surgical cutting instrument essentially comprises an outer sheath tube, an inner stationary tube which is disposed within said outer sheath tube such that the distal end of the inner tube projects from the distal end of the outer sheath tube and is provided with a cutting opening for drawing cut t ...


9
F Barry Bays: Vacuum sleeve for a surgical appliance. Concept, Frijouf Rust & Pyle, February 24, 1987: US04644951 (199 worldwide citation)

A vacuum sleeve is disclosed for removing severed tissue from a surgical site. The vacuum sleeve is used in conjunction with a surgical appliance having a cutting element and the vacuum sleeve is connected to a vacuum source. The vacuum sleeve includes an elongated body member having a distal and a ...


10
Arnold D Scheller Jr, Thomas B Quigley: Curved drill attachment for bone drilling uses. May 5, 1981: US04265231 (196 worldwide citation)

An attachment for a drill has a cannula attachable to the drill motor and provided with a curved distal portion. A flexible shaft extends through the cannula with a burr connected to its distal end and with its proximal end connectable to the drill motor to be rotated thereby.