WILLIAM K LAWSON
Real Estate Commission in Collegeville, PA

License number
Pennsylvania RS153914A
Category
Real Estate Commission
Type
Real Estate Salesperson-Standard
Address
Address
Collegeville, PA 19426

Professional information

William Lawson Photo 1

Drug Delivery System With Breakaway Plunger Extractor

US Patent:
2009009, Apr 16, 2009
Filed:
Oct 11, 2007
Appl. No.:
11/870635
Inventors:
William LAWSON - Trappe PA, US
Assignee:
Animas Corporation - West Chester
International Classification:
A61M 5/145
US Classification:
604154
Abstract:
Described is a drug delivery system and method for inserting a cartridge into a chamber in a drug infusion device to inhibit refilling or reuse of a cartridge. In one embodiment, a drug delivery system is provided that includes a chamber and a cartridge configured for insertion into the chamber. The cartridge includes a hollow barrel for receiving and storing a drug, a plunger having a distal end and a proximal end, where the distal end of the plunger is slidably insertable and movable within the barrel. A breakaway extractor is disposed external to the barrel and is removably attached to the proximal end of the plunger. After insertion of the cartridge into the barrel, the breakaway extractor may be detached from the cartridge, to inhibit the retraction of the plunger from within the barrel of the cartridge and refilling of the cartridge.


William Lawson Photo 2

Syringe Assembly And Infusion Pump Assembly Incorporating Such

US Patent:
2008016, Jul 10, 2008
Filed:
Jan 10, 2007
Appl. No.:
11/651876
Inventors:
Bahram Sharifi - Schwenksville PA, US
Patrick Paul - Boca Roton FL, US
William Lawson - Trappe PA, US
International Classification:
A61M 1/14, A61M 31/00
US Classification:
604151, 604 48
Abstract:
A syringe assembly for use with an infusion pump having a drive piston. The syringe assembly comprises a substantially hollow syringe housing and a plunger axially movable within the syringe housing to dispense a fluid therefrom. The plunger has a body with a portion thereof configured to engage a radially elastic member associated with the drive piston such that the plunger is releasably axially secured relative to the drive piston.