Category:David Leff of Philadelphia PA (US)

David Leff of Philadelphia PA (US)

Executive Summary

David Leff of Philadelphia PA (US) is an inventor who has filed 5 patents. Their primary areas of innovation include {Screws or hooks with U-shaped head or back through which longitudinal rods pass} (3 patents), {wherein pivoting is blocked when the rod is clamped} (2 patents), {for driving, i.e. rotating, screws or screw parts specially adapted for spinal fixation, e.g. for driving polyaxial or tulip-headed screws (driving other bone screws (2 patents), and they have worked with companies such as GLOBUS MEDICAL, INC. (5 patents). Their most frequent collaborators include (2 collaborations), (1 collaborations), (1 collaborations).

Patent Filing Activity

File:David Leff of Philadelphia PA (US) Monthly Patent Applications.png

Technology Areas

File:David Leff of Philadelphia PA (US) Top Technology Areas.png

List of Technology Areas

• A61B17/7032 ({Screws or hooks with U-shaped head or back through which longitudinal rods pass}): 3 patents
• A61B17/7037 ({wherein pivoting is blocked when the rod is clamped}): 2 patents
• A61B17/7082 ({for driving, i.e. rotating, screws or screw parts specially adapted for spinal fixation, e.g. for driving polyaxial or tulip-headed screws (driving other bone screws): 2 patents
• A61B90/39 ({Markers, e.g. radio-opaque or breast lesions markers}): 2 patents
• A61B34/20 (Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis): 2 patents
• A61B17/7034 ({characterised by a lateral opening}): 1 patents
• A61B17/7038 ({to a different extent in different directions, e.g. within one plane only}): 1 patents
• A61B17/8685 (Pins or screws {or threaded wires; nuts therefor (): 1 patents
• A61B17/8695 ({Washers (surrounding screw head in plate hole): 1 patents
• A61B17/863 (Pins or screws {or threaded wires; nuts therefor (): 1 patents
• A61B17/7044 ({also having plates, staples or washers bearing on the vertebrae}): 1 patents
• A61B17/7058 ({Plates mounted on top of bone anchor heads or shoulders}): 1 patents
• A61B17/809 ({with bone-penetrating elements, e.g. blades or prongs (bone staples): 1 patents
• A61B17/861 (Pins or screws {or threaded wires; nuts therefor (): 1 patents
• A61B17/704 ({the longitudinal element passing through a ball-joint in the screw head}): 1 patents
• A61B17/7076 ({for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation}): 1 patents
• A61B17/8888 ({Osteosynthesis instruments;} Methods or means for implanting or extracting internal {or external} fixation devices {(): 1 patents
• A61B34/30 (Surgical robots): 1 patents
• A61B2034/2065 ({Tracking using image or pattern recognition}): 1 patents
• A61B2034/2068 (DIAGNOSIS; SURGERY; IDENTIFICATION (analysing biological material): 1 patents
• A61B2090/3937 ({Visible markers}): 1 patents
• A61B17/7013 ({Longitudinal elements with a non-circular, e.g. rectangular, cross-section (): 1 patents
• A61B17/705 ({for linking adjacent ends of longitudinal elements}): 1 patents
• A61B2034/2074 ({Divots for calibration}): 1 patents
• A61B17/7086 ({Rod reducers, i.e. devices providing a mechanical advantage to allow a user to force a rod into or onto an anchor head other than by means of a rod-to-bone anchor locking element; rod removers}): 1 patents

Companies

File:David Leff of Philadelphia PA (US) Top Companies.png

List of Companies

• GLOBUS MEDICAL, INC.: 5 patents

Collaborators

• Matthew Bechtel of Philadelphia PA (US) (2 collaborations)
• Caelan Allen of Philadelphia PA (US) (1 collaborations)
• Noah Hansell of King of Prussia PA (US) (1 collaborations)
• Stefan Lamers of Phoenixville PA (US) (1 collaborations)
• David Peretz of Wynnewood PA (US) (1 collaborations)
• George Yacoub of Lansdale PA (US) (1 collaborations)
• Jeff Nichols of Medford NJ (US) (1 collaborations)
• Darren Clutter of Barto PA (US) (1 collaborations)
• Richard Pidgeon of Phoenixville PA (US) (1 collaborations)
• Neil Crawford of Chandler AZ (US) (1 collaborations)
• Thomas Calloway of Pelham NH (US) (1 collaborations)
• Timothy James of Hatboro PA (US) (1 collaborations)
• Douglas Mandell of Wakefield MA (US) (1 collaborations)
• Matthew Darnall of Chester Springs PA (US) (1 collaborations)