David R Plotkin

US Patent:

20020099317, Jul 25, 2002

Filed:

Mar 25, 2002

Appl. No.:

10/106095

Inventors:

David Plotkin - Short Hills NJ, US

International Classification:

A61F013/00
A61F013/06

US Classification:

602/066000

Abstract:

A prosthetic support for reducing pronation of the mid-foot is provided. The support includes a sleeve to be pulled over the toes and positioned under the nervicular bone at the mid-foot position. A contoured resilient pad is held in position on the sleeve and positioned under the nervicular bone to medially support the mid-foot.

US Patent:

20120130388, May 24, 2012

Filed:

Nov 14, 2011

Appl. No.:

13/295738

Inventors:

David B. Plotkin - Springfield NJ, US

International Classification:

A61B 17/56

US Classification:

606104

Abstract:

The instant invention is directed to a universal bone screw screwdriver and in particular to a universal screwdriver that permits the removal of screws from bone plates that are manufactured by different manufacturers having distinct characteristics. The universal bone screw screwdriver is adapted to replaceably receive tool bits corresponding to the screw heads of different manufacturers and comprises a torque limiting spring to secure the tool bit to the driver shaft and inhibit over-tightening of the bone screw into the bone or bone plate as the case may be.

US Patent:

20200008854, Jan 9, 2020

Filed:

Sep 16, 2019

Appl. No.:

16/571916

Inventors:

David B. Plotkin - Short Hills NJ, US

International Classification:

A61B 17/88
B25B 15/00
B25B 23/00
B25B 23/14
B25G 1/10

Abstract:

The instant invention is directed to a universal bone screw screwdriver and in particular to a universal screwdriver that permits the removal of screws from bone plates that are manufactured by different manufacturers having distinct characteristics. The universal bone screw screwdriver is adapted to removeably receive an elongated tool bit. The elongated tool bits correspond to the screw heads of different manufacturers and comprises a torque limiting and locking spring assembly to secure the elongated tool bit to the driver shaft and inhibit over-tightening of the bone screw into the bone or bone plate as the case may be.

US Patent:

20190351360, Nov 21, 2019

Filed:

Jan 16, 2019

Appl. No.:

16/249236

Inventors:

David B. Plotkin - Short Hills NJ, US

International Classification:

B01D 46/24
F24F 1/0071

Abstract:

The present invention provides, in various embodiments, a portable handheld fan comprising a high-efficiency particulate air (HEPA) filter.

US Patent:

20170367748, Dec 28, 2017

Filed:

Sep 11, 2017

Appl. No.:

15/700774

Inventors:

David B. Plotkin - Short Hills NJ, US

International Classification:

A61B 17/88
A61B 17/00

Abstract:

The instant invention is directed to a universal bone screw screwdriver and in particular to a universal screwdriver that permits the removal of screws from bone plates that are manufactured by different manufacturers having distinct characteristics. The universal bone screw screwdriver is adapted to removably receive an elongated tool bit having a hollow center. The elongated tool bits correspond to the screw heads of different manufacturers and comprises a torque limiting and locking spring assembly to secure the elongated tool bit to the driver shaft and inhibit over-tightening of the bone screw into the bone or bone plate as the case may be.

US Patent:

20160038210, Feb 11, 2016

Filed:

Aug 17, 2015

Appl. No.:

14/827929

Inventors:

David B. Plotkin - Springfield NJ, US

International Classification:

A61B 17/88
B25B 23/14
B25B 23/00

Abstract:

The instant invention is directed to a universal bone screw screwdriver and in particular to a universal screwdriver that permits the removal of screws from bone plates that are manufactured by different manufacturers having distinct characteristics. The universal bone screw screwdriver comprises a handle that is adapted to removeably receive an elongated tool bit having a hollow center. The elongated tool bits correspond to the screw heads of different manufacturers. The universal bone screwdriver further comprises a torque limiting and locking spring to secure the elongated tool bit to the handle and inhibit over-tightening of the bone screw into the bone or bone plate as the case may be.