1
Tibor Koros, Gabriel Koros: Expandable spinal implants. Richard Slehofer, November 9, 1999: US05980522 (453 worldwide citation)

The invention is an expandable box-shaped spinal implant used to fuse adjacent vertebra in the patient's spine. The implant includes three interlocking parts, which are the superior section, the inferior section, and the U-shaped expander cap. The Box-shaped expandable spinal implant is formed by ma ...


2
Tibor Koros, Gabriel Koros: Laparoscopic grasper and cutter. Jessup & Slehofer, October 4, 1994: US05352235 (357 worldwide citation)

A laparoscope instrument is formed by a shaft combination, a pair of squeeze handles, a socket, a stationary barrel, a movable barrel, and a clutch. The socket is attached to the proximal handle. The shaft combination has an outer hollow shaft and an inner shaft. The inner shaft has a pair of cuttin ...


3
Tibor Koros, Gabriel Koros: Insulated laparoscopic grasper with removable shaft. Richard D Slehofer, November 26, 1996: US05578052 (300 worldwide citation)

A laparoscopic instrument is formed by a removable shaft combination portion separable from a housing. The housing portion includes a pair of handles, a quick-release button, a clutch to quickly rotate the shaft during use, and a releaser. The socket is attached to the proximal handle. The shaft com ...


4
Tibor Koros, Gabriel Koros: Heart valve retractor and sternum spreader surgical instrument. Jessup Beecher & Slehofer, December 1, 1992: US05167223 (239 worldwide citation)

A generally U-shaped surgical instrument for prying apart and keeping open the rib cage in open heart surgery. There is a stationary arm with a toothed cross bar attached to it. A movable arm similar in configuration to the stationary arm has a housing at one end which slides on the bar and can be c ...


5
Tibor Koros, Gabriel Koros: Cervical retractor system. Richard D Slehofer, August 18, 1998: US05795291 (154 worldwide citation)

A combination of complementary surgical instruments including a pair of retractors positioned at right angles to and overlaying one another during surgery. Each retractor has a pair of hinged arms. A top retractor has a stepped tip at each end of one arm to avoid interference with the bottom retract ...


6
Tibor Koros: Expandable spinal implants. Richard D Slehofer, April 17, 2001: US06217579 (132 worldwide citation)

A cylinder-shaped expandable spinal implant is disclosed. The implant is a hollow housing having a cylinder-shaped wall, with a circular sealed distal end, and an opposite proximal circular open end. The open end of the housing has internal threads for securing a cap to it. A removable cap is thread ...


7
Tibor Koros, Gabriel Koros: Bongeur surgical instrument. Jessup Beecher & Slehofer, December 28, 1993: US05273519 (71 worldwide citation)

The rongeur has a frame with a medial horizontal channel in one portion and a stationary handle at the other portion. A carriage is slidably engaged in the channel. A movable handle is attached at a fulcrum arm at the bottom front of the frame. A two-piece shaft extends from an integral cover & barr ...


8
Tibor Koros, Gabriel Koros: Spinal column rod fixation system. Richard D Slehofer, November 18, 1997: US05688275 (56 worldwide citation)

An implantable vertebrae prosthesis for use in aligning and strengthening the adjacent vertebrae in the lumbar region of the spinal column is disclosed. After implantation, the prosthesis maintains a low profile and is usually not felt by the patient after healing. The prosthesis is designed to prov ...


9
Tibor Koros, Gabriel Koros: Multi-position locking mechanisms for clamping assemblies. Fulwider Patton, January 1, 2008: US07314331 (34 worldwide citation)

A locking mechanism for a clamping assembly includes a roller locking mechanism, at least one clamping member and a shaft member for coupling the roller locking mechanism with the first clamping member. The roller mechanism includes a roller rotatably connected to a handle which contacts a bearing s ...


10
Tibor Koros, Gabriel Koros: Ratchet mechanism for a surgical retractor assembly. Richard D Slehofer, August 13, 2002: US06431025 (29 worldwide citation)

A ratchet mechanism for a surgical retractor blade having a dual ratchet holder. A pivot ratchet is mounted on the dual ratchet holder. A pawl key mounted on the dual ratchet holder. The pawl key is used to engage the teeth on the pivot ratchet. The mechanism also has a pivot thumb piece that is piv ...